the name on the security certificate is invalid or does not match the name of the site office 365. The site address was not included in the common name of the certificate. The red X is by the name on the security certificate is invalid or does not match the name of the site. The very first pivotal step with troubleshooting failed API requests is to investigate the source of the response code that is being returned. But now, few weeks ago, clients (not all, but some!) with Outlook begun experiencing problems when connecting to SBS local Exchange from outside: There is a problem with the proxy server's security certificate. Check this carefully and if you are still having problems. How to Tackle Wrong or Invalid SSL Certificate Error. Everything works fine, except that if I open a URL to a web server using HTTPS and use the internal server name rather than the public FQDN, windows pops up the IE Security Alert: "The name on the security certificate is invalid or does not match the name of the site". It seems to be only the Outlook client. However there is a problem with the site's security certificate. The user name is admin and the default password is password. Installation was easy with no problems. Select on the View Certificate button then Details tab click Export and save to a location on the Windows 10 computer making sure to name with a friendly name to make it easy to locate. Sometimes Outlook is unable to connect to the proxy server due to OST file corruption. It says the "import was successful". Protocol: _tcp Do not for to add "_" at the beginning. "The name on the security certificate is invalid or does not match the name of the target site. Click "View" in the menu bar at the top of your screen and select "Show Expired Certificates. Before proceeding if you have an A or CNAME record in your DNS for autodiscover then DELETE it and setup an SRV record! Exchange AutoDiscover Errors - Creating an AutoDiscover SRV Record. Thanks for your help in advance. local The name on the security certificate is invalid or does not match the name of the site" Could you please advise what i am missing plz. Describes an issue that triggers a "The name on the security certificate is invalid or does not match the name of the site" warning in Outlook in a dedicated or ITAR Office 365 environment. The security certificate was issued by a company you have not chosen to trust and the name on the security certificate is invalid or does not match the name of the site. Select on the View Certificate button then Details tab click Export and save to a. Select the area of the Address Bar that says " Certificate Invalid ". I have tried "install certificate" for the "current machine"and let the certificate import wizard "automatically select" a certificate store. There are two ways to fix the warning message issue: Change the Autodiscover URL. Customer has SBS 2011 with Exchange 2010, working fine for few years. cnf, under [v3_ca]: [ v3_ca ] subjectAltName = DNS:localhost. You should be able to find other mail server names you can use. com or look for Details in the certificate and find Subject Alternative Name. This is usually the name that you’ll need to specify for your incoming and/or outgoing server in your. LOCAL - The name on the security certificate is invalid or does not match the name of the site". SSL Certificates for Exchange Server 2013. The error message we are getting is “Security Alert” “MyDomain. Sometimes the address provided in the auto-discover file does not match the address in the server. com using the On-Premises Gateway appears the next message: The server name provided doesn't match the server name on the SQL Server SSL certificate. Solution 1: Match Certificate Name. Just deployed our first Windows 10 with Office 2016 (O365 on the security certificate is invalid or does not match the name on the site. Users who connect to the Exchange server with a smartphone and via Outlook web access have no issues. The way the autodiscover code is structured, it's unfortunately not easy to change. The ExternalHostName and InternalHostName did not match. crt file that was sent from the Certificate Provider. I have been running office 365 with online exchange for over a year now. information you exchange with this site cannot be viewed or changed by others. View the certificate to determine whether you want to trust the certifying authority. Do you want to proceed?" Internet Explorer 7: "There is a problem with this website's security certificate. This issue also arises when the user has attached a self-signed certificate that Outlook can not configure within. Name on the certificate should match the name of the mail server. I have spoken with geotrust and they tell me its because it is looking for the internal exchange 2016 name, which I can confirm is the case. I've entered "Task Scheduler Script". Why does the secure part of the website say the name on the security certificate is invalid or does not match the name of the site? Name Mismatch Error in . Have your certification authority . This reason is one of the most commonly occurred. You need to choose the correct type of SAN which applies to the SAN. com) or web name (typically "Censornet Archiving") to any of the ones registered in the Azure AD App. Also, SIM unlocking by code is the only method of unlocking that will not void the warranty of your Zain Saudi Arabia network locked mobile phone. 3) The certificate root authority does not trust the certificate. This requires the certificate to have a Common Name(CN) of prueba. "there is a problem with the proxy servers security certificate. Outlook is unable to connect to the proxy server. You will need to expand the _tcp folder to see the record. Replace localhost by the domain for which you want to generate that certificate. If you do not upgrade your browser for a long time you may see. When outlook is blocked review the domains in list. Select Options from the file menu and click on Add-ins. They getting security alert “CAS-1. The DNS entry is still there but outlook is looking for remote. Save the certificate for the website to a file: Click the red triangle icon next to "Not secure" in your address bar. [Red Cross] The name of the security certificate is invalid or does not match the name of the site. In the Manage box, click COM Add-ins > Go. ` The message was refused because the mailbox name is either malformed or does not exist. 1 (Official build) dev (64-bit) on Windows 7, configured as my default browser. On a client, from the Security Alert pop up, I clicked on the view certificate and went through the process of. "The name on the security certificate is invalid or does not match the name of the site. If your website is showing Invalid TLS/SSL Certificate error, your mind may be going through a lot of questions. The mail server used to be remote. When you click on the view certificates; it shows a red cross. Now go to Microsoft Outlook and navigate to: File | Account Setting | Account Setting. Safari 3 "This certificate is not valid (host name mismatch)". ” “The name on the security certificate is invalid or does not match the name on the site. Click on the "Generate" button for both the "Client Id" and "Client Secret" fields. If not, you will get additional errors. local The name on the security certificate is invalid or does not match the name of the site” Could you please advise what i am missing plz. An SSL error does the name mismatch ssl certificate error in google chrome. The certificate does not match the name of the site. Office 365 or windows ten did an automatic updatabout four days ago. This error might pop up because the MS Outlook is not able to complete the connection process whether Solution 1: Match Certificate Name. You have not trusted the certification authority at the root. (BTWthe email account is my MS Exchange account at workwhich is secure. Error: "The name on the security certificate is invalid or does not match the name of the site" for Autodiscover certificate in Outlook on Office 365; Error: "NET::ERR_CERT_COMMON_NAME_INVALID" when accessing websites through ProxySG or Advanced Secure Gateway in Chrome version 58 and later. During the TLS handshake, when the secure channel is established for HTTPS, before any HTTP traffic can take place, the server is presenting its certificate. This scenario does not apply to remote Outlook clients that connect to Exchange by using Outlook Anywhere. For now, the fix requires manually removing the expired certificate from your machine. If the Web Proxy does not know the URL category, it cannot match the transparent HTTPS request to any user-defined Routing Policy because of insufficient information. The name on the security certificate is invalid or does not match the name of the target site "server. 554 `ERROR: Mail refused` This is a default response that can be caused by a lot of issues. com and the cert displays autodiscover. My public website is hosted by an ISP, not at my campus. When your client uses https://xxx. However, there are other scenarios that could lead to this message appearing in your browser, including: Your SSL certificate does not account for www versus non-www variations of your domain. Error: "The name on the security certificate is invalid or does not match the name of the site" for Autodiscover certificate in Outlook on Office 365 book Article ID: 169223. Hey guys I recently set up a DAG and using my second server as a Backup CAS as well. BUTI still keep seeing the security alert again and again, when I start up Outlook. A name mismatch between the hostname and URL, or similar (hostname and the . To trust the issuer, you need to be able to view the certificate and install it. In the Change Security Settings window, type the Security Settings Name (you can name it. com - name on security certificate invalid or does not match the name of the file. We use a self signed Exchange certificate, since we have only one campus and only 200 users on Exchange. It's uncertain why Office 365 does not attempt to match the thumbprint rather than just the common name. " Firefox 2 "You have attempted to establish a connection with "www. There are problems with the security certificate of this site. Certificate usage policy has been violated. Generally, this issue occurs when the URL that you are trying to access is not listed in either the Subject or the Subject Alternative Name (SAN) of the Secure . Having a certificate allows users to validate the identity of a server and the administrator before sending any confidential information. Select your e-mail account and click on the Change button. However, there is a problem with site's security certificate. com as the Host name, check the Require Server Name Indication check box, and select the spca. "The security certificate was issue by a company you have not chose to trust. Sometimes, the name in the certificate and the name used in the account settings remain unmatched. CAUSE The common name that you specified when you generated the certificate request for that Web site does not match the URL that is used to access the Web Based Authentication Request Form. Security Alert Information you exchange with this site cannot be viewed or changed by others. The name on the Security certificate is invalid or does not match the name of the site. local while the certificate is for *. The first time I ran into this problem I found lots of articles and blog posts telling me that was the solution, but none of them told me how to actually configure that. local” Outlook is unable to connect to the proxy server. In a dedicated or International Traffic in Arms Regulations (ITAR) Microsoft Office 365 environment, a user is prompted by a Security Alert dialog box that includes the following error message: The name on the security certificate is invalid or does not match the name of the site. If your certificate has no IP SAN, but DNS SANs (or if no DNS SAN, a Common Name in the Subject DN. Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. "The name on the security certificate is invalid or does not match the name of the site" Coz the internal server name is not listed in my cert as recommended. Some of the serious security implications can occur due to Invalid SSL Certificate error, and it’s recommended not to overlook such things. so that it will start looking at mail. The name on the security certificate is invalid or does not match the name of the target site mail. Outlook is unable to connect to the . The Intermediate Certificate will pop-up. com certificate is located on our web server. The Name On The Security Certificate Is Invalid Or Does Not Match The Name Of The Site Error In Outlook In A Dedicated Or Itar Office 365 Environment . I followed your instruction and all went well except this certificate error: “The name on the security certificate is invalid or does not match the name of the site” and is coming from my internal DNS name (exchange server). The certificate is not trusted because it is self signed. The other possibility is that the SSL certificate presented by the server is not trusted by the system for one or more of the following reasons: 1. can I just change the name on the CERT or do i have produce another one with the right server name. This is expected, as the security certificate uses the public FQDN, but I. When I refresh data from PowerBI. security certificate date is valid; the name on the security certificate is invalid or does not match name of the site - do you want to proceed; 2nd popup is "there is problem with proxy servers security certificate the name on the security certificate is invalid or does not match the name of the target site mail. com as one of the Subject Alternate Names. You are entering the Common Name (CN) of the certificate as a SAN. Trusting the issuer is as simple as adding the certificate to the Trusted Root Certification Authorities. SQL Server Native Client is a little more strict in its certificate validation. My subject is the exchange server name, SANs listed are the FQDN, exchange_server. If I shutdown my main server and force users to connect to my back up server they receive certificate errors. How Do I Fix the Proxy Server Security Certificate In Outlook?. Enter the external and internal URLs with the same value (i. com uses an invalid security certificate. external name) and click "Save". It does not sound like you have autodiscover as a SAN. The two most common problems reported by the Outlook certificate warning message are: The name on the security certificate is invalid or does not match the name of the site. Error: "The name on the security certificate is invalid or. or on Linux: cp /etc/ssl/openssl. I have added 5 alternate names on the SAN certificate from go daddy. URL resolves to a host record, and the web server at that address listens on port 443, and it has an SSL certificate which does not list companyB. online (common name1) ----> A record points to Exchange server IP. The problem occurs when you try to do a 301 or 302 redirect to an SSL URL (HTTPS URL) but the SSL certificate for that URL does not match the domain. ORG from internal computers (something to do with the site being hosted by Wordpress). com" I get an NET::ERR_CERT_COMMON_NAME_INVALID in Chrome (other browsers have issues as well). Using unsigned self-cert that doesn't match. "The name on the security certificate is invalid or does not match the name of the site" This message appears frequently, usually within a few moments of opening Outlook. com/en-us/help/2772058/the-name-on-the-security-certificate-is-invalid-or-does-not-match-the. Uncheck the box next to the third-party add-ins that you want to disable. Option 1: On local machine double-click Web Protection icon in system tray. security certificate on outlook. Connecting to 2013 via Outlook requires the certificate to have autodiscover. “The name on the security certificate is invalid or does not match the name of the site” Coz the internal server name is not listed in my cert as recommended. This warning indicates the server name does not match the name in your account settings, or in the case of Exchange server, that the address in the autodiscover file does not match the address the server is using. Hopefully, we will see this change in the future update to Office 365. It is recommended not to proceed to such a site since it could indicate that you are being directed to a phishing or a fake website. x-All Posts-x 553; Exchange 2013 185;. The obvious answer is that the SSL doesn't match the domain name you're trying to connect to. There is a problem with the proxy server's security certificate. This is a common problem when the administrator uses self-published certificates. Name: All you need here is the @ symbol. Can you connect to that site instead? Is the SSL misconfigured? You might have to involve your IT department if that's not you. 2) The certificate is expired or revoked. (in reply to arjanv) Post #: 3. The name of the security certificate is invalid or does not match the name of the site. The same web server, also has the site MyDomain. Name Mismatch Error In Web Browser. A SAN certificate is an SSL certificate that has multiple server or domain names on the one certificate. Select F12 on the keyboard after login to the SonicWall, select on the Security and View certificate button. The certificate is only valid for mydomain. I have a server running running McAfee ePolicy Orchestrator that is currently configured to use a self-signed certificate that has a CA name like Orion_CA_ and. you got to change this entry to avoid this. " To keep the example aligned, let's assume our autodiscover name is the same as in the example: autodiscover. The name on the security certificate is invalid or does not match the name of the site - Cannot Resolve. Describes Describes an issue that triggers a "The name on the security certificate is invalid or does not match the name of the site" warning in Outlook in a dedicated or ITAR Office 365 environment. information you exchange with this site cannot be viewed or. ( The name on security certificate is invalid, or does not match the with the site), Optimize Antispam Settings in Office 365. If we change the server name to the FQDN, it will then work. Exchange 2013 uses a type of SSL certificate that is known as a "Subject Alternate Name" (SAN) certificate. In the Run search bar type "outlook. Make sure that the common name matches the URL that is used to access the Web site. I followed your instruction and all went well except this certificate error: "The name on the security certificate is invalid or does not match the name of the site" and is coming from my internal DNS name (exchange server). However, it may reappear the next time AutoDiscover runs. Try changing the username Outlook is trying to authenticate with, from [email protected] to DOMAIN\User-name (particularly if your email address and public/private domain name are NOT the same). Outlook office365 - security certificate warning "the name on the sec. You must take steps to ensure that the client trusts the certificate found in Configuration > Proxy Settings > SSL Proxy > General Settings > Issuer keyring (as a trusted CA). If your host does not have a server name you can use to eliminate the error, you can get around this by following the steps below: 1. The names and urls that your Exchange server are setup and match the certificate on the Exchange server (and can be resolved in DNS) see this article. After a recent legislation change, CA's will no longer accept invalid fully qualified Domain name such as. Note This scenario applies only to Outlook clients that . However the name in the Certificate is the Fully Qualified Domain Name (FQDN). That is why I asked you for a trace - to see what is going on the wire. "The name of the security certificate is invalid or does not match the name of the site". Remove these addresses from your list. Note the wording "… does not match the reply URLs …". So, that's understandable as you are using a server that doesn't match the certificate. The certificate is not meant to confirm the node authenticity. The server has to authenticate itself. Seems to be due to the fact that the security certificate does not match one of Microsoft's domain names. Click on "mapi (Default Web site)" and click the "Edit" button. You may be thinking about what does invalid certificate means, whether my site has been hacked, what did I do wrong, and how to fix this issue at the earliest. In some cases this will be called a "Unified Communications" (UC) certificate by providers such as Digicert. The name on the certificate should match with the server name to which the client's system wants to connect. I could suppress this with registry edits on 2013, but none of the entries I'm trying now seem to be working. To do this, either change this option to a keyring the client already trusts, or see Add Proxy SG certificate into my browser to install the certificate into the browser. security certificate on outlook. On the Outlook Options window, click Trust Center, click Trust Center Settings , and then click Email Security. If the site's certificate isn't valid, the browser intervenes with this (this occurs when the certificate does not match the domain) . Before proceeding if you have an A or CNAME record in your DNS for autodiscover then DELETE it and setup an SRV record! Exchange AutoDiscover Errors – Creating an AutoDiscover SRV Record. borja or a Subject Alternate Name (SAN) of prueba. Instead, we should only use the canonical name if using the hostname fails. LOCAL and of course the SSL certificate I purchased will not match that name because it was purchased under MAIL. A certificate can be used to secure SSL services of the Synology NAS, such as web (all HTTPS services), mail, or FTP. Note This scenario applies only to Outlook clients that connect to Exchange from inside the local network. The verification of the certificate identity is performed against what the client requests. The certificate may be invalid or denied; The name of the site does not match the name in the certificate; A third-party add-in or a third-party browser add-in is preventing access or sometimes due to corruption in the Outlook file. The site’s Digital Certificate has expired or revoked – This is quite a common occurrence with old websites that are not being actively maintained. "The name on the security certificate is invalid or does not match the name of the site" How can I fix this problem?. On each domain, I have an A record that points autodiscover to my Exchange public IP. For example, the certificate is intended only for encrypting the connection between the user and the website. Solution: To examine the certificate, follow these steps: In Microsoft Internet Explorer, connect to the RPC server or to the secure server. Generate certificate: sudo openssl req -x509 -nodes -days 365 -newkey rsa:2048 \ -config ~/openssl. Avoid the Chrome not secure warning. The name on the security certificate is invalid or does not match the name of the site. You receive a certificate warning when you try to access Microsoft Office 365 resources by using an identity-federated account. Security Alert The name on the security certificate is invalid or does not match the name of the site. Troubleshooting 4xx and 5xx errors with APIM services. " "The name on the security certificate is invalid or does not match the name on the site. This is weird all virtual directories are set for both internal and external as external URL. The certificate will then open to the General tab. The certificate is not trusted because the issuer certificate is unknown. Provide details and share your research! But avoid …. The certificate that is issued to *. I have already mentioned that the browser can be the reason for getting a security certificate warning. To do that, follow the given instructions: Once you get the error, click on View Certificate. Click the magnifying glass in the upper-right hand corner of your screen and type "Keychain Access" and hit Return. This suggests that the URL used for accessing the Email Archive is using a different domain (e. "The remote certificate is invalid according to the. If you have enabled diagnostic logging for your APIM service, then the columns "ResponseCode" and "BackendResponseCode" would divulge this. Cannot verify Security Certificate warning. However, there is a problem with the sites security certificate. If you get “The remote certificate is invalid according to the validation procedure” exception while trying to establish SSL connection, most likely your server certificate is self-signed or you are using incorrect host name to connect (Host name must match the name on certificate, for example imap. I am going to focus on how to get this fix quickly. Information you exchange with this site cannot be viewed or changed by others. 2 You can have one common name and one autodiscover name in the certificate and redirect all the common names to commonname. How to Configure S/MIME in Office 365. Note: With Deluxe and Extended Validation SSLs, you can only change the common name, not the organization's information. For instance, Due to such error, the communication channel between the server and the client doesn't stay encrypted. Internet Explorer displays one of the following warnings with the self-signed (default) SSL certificate of the SonicWall: Untrusted Certificate Certificate Invalid Mismatched Address There is a problem with this website's security certificate. Your computer can't connect to the remote computer due to one of the following reasons: 1) The requested Remote Desktop Gateway server address and the server SSL certificate subject name do not match. LOCAL - The name on the security certificate is invalid or does not match the name of the site" I do understand why it's doing it - it's expecting to find an SSL certificate that matches MAIL. Certificate Errors while accessing the SonicWall web management using Internet Explorer. Even though you have enabled a valid SSL certificate for SMTP, the connector needs to be configured with the "TLS certificate name" that you want to use. "The name on the security certificate is invalid or does not match the name of the site" Internet Explorer 7 "The security certificate presented by this website was issued for a different website's address. The certificate may be invalid or revoked. For example, if you purchase an SSL certificate that extends to www. I recently redesigned a WordPress website for this client and they're now receiving security alert emails from autodiscover. Do you want to proceed? When this warning message occurs, you can click Yes to accept the warning. The security certificate presented by this website was issued for a different website's address. The problem here lies in different mail server name being used from the name the certificate has been issued to. There are two methods to resolve this. In those cases IE will give you a warning but you have the option to proceed. The Remote Connectivity Analyzer also displays the certificate warning if the FDQN does not match the host address or URL that the client uses to make a connection with the server. The domain specified in the certificate does not match the website to which the connection is established. When I start Outlook, I get an "Internet Security Warning" dialog box Name on the certificate should match the name of the mail server. Speee began operating an internally developed CMS, but they encountered problems in three areas: cost, usability, and stability. These settings will be explained in a moment. Di View Certificate dialog box, click Install Certificate 4. The browser warns the user if the website uses an invalid certificate (it can't trace back to the root CA, or there is a mismatch in the names enlisted in the certificate). The issue is mostly reported to occur with Internet Explorer or with programs that are running scripts that involve IE. Outlook is unable to connect to this server. The post contains the resolution to "To resolve this issue, you may have to change your Autodiscover DNS records (internal, external, or both). Looking at the certificate usually provides the answer. If the dialog Outlook presents does not include a View Certificate or the certificate does not include an Install button, try logging into OWA from a web browser. However, there is a problem with the site's security certificate. [green check mark] The security certificate is from a trusted certifying authority [green check mark] The security certificate date is valid [RED X] The name of the security certificate is invalid or does not match the name of the site Do you want to proceed? Viewing the. Change mail server name - In cases where the hosting customer has a VPS account, we change the mail server name to match the certificate name. Since when I open Outlook 2016 I get a security Alert saying that the name on the security certificate is invalid or does not match the name of the site. Verify your account to enable IT peers to see that you are a professional. net is starting giving the following error: The name on the security certificate is invalid or does not match the name of the site. Provide a name to the principal. Be sure you know what you're doing before performing these steps. Service: _autodiscover Do not for to add "_" at the beginning. Invalid email/username and password combination supplied. The name on the cert does not match the name of the target site. To disable third-party add-ins, go to the File option on the top of the Outlook screen. Now Outlook get this pop up while retrieving the Autodiscover information. Common SSL Certificate Errors and How to Fix Them. With the combination of WordPress and Kinsta, their workflow became incredibly smooth, and system stability improved immediately. SSL Provider: The target principal name is incorrect. com to check external DNS and do a dns lookup for. ) I have reinstalled the On-Premises Gateway, reboot SQL services, but message continues appear. SSL Certificate Name Mismatch. The name on the security certificate is invalid or does not match. The name on the security certificate is invalid or does not match the name of the target site “server. An SSL certificate makes your site look more trustworthy. Some users get the same popups you describe, reporting that the name does not match. Navigate to the Security tab, where you'll be able to see if the certificate is valid. A third-party add-in is preventing access. Problem with site certificate the name on the security certificate is invalid or does not match the name on the site Just deployed our first Windows 10 with Office 2016 (O365 user-non premise based) and we are receiving the following message when we launch Outlook 2016. First, open the call icon app on the phone. They getting security alert "CAS-1. For domain and redirect URL, use "localhost" and "https://localhost" as the redirect URL. One of the reasons why you could receive this mesage if the server sertificate has errors in it - it is expired or the name does not match or is not signed by an authority you trust. The name on the security certificate is invalid or does not match the name of the target site outlook. online and redirect all autodiscover to autodiscover. The first solution that you have to look for is that the name of the certificate in MS Outlooks is same as of the mail server. The message occurs because the server name on the certificate does not match the name of the mail server in your settings. If the CSR was created from the UTM, Then: Install Certificate Chain: Obtain the. " Browsers are made with a built-in list of trusted certificate providers (like DigiCert). Go to the File menu > click Options > Add-Ins. As a result, transparently redirected HTTPS transactions only match Routing Policies if no Routing Policy Group and no identification profile has a membership criteria by URL. I understand that they don't match and I'm getting the "The name on the security certificate is invalid or does not match the name of the site" warning when launching outlook. This will default the record to the parent domain. You need to check the certificate and see what site it's for. So you installed Exchange 2007 (or Exchange 2010), you have your Outlook 2007/2010 clients, Unified Communciations certificate, . Create another certificate request. Also, just as a reminder the certificate that the LDAP server serves must by signed by your certificate authority (CA) root and intermediates you may have. The server is using a self-signed certificate which cannot be verified. As soon as we removed the incorrect duplicate certificate from the problem server (and retried the messages in the queue) mail started to flow. View the Certificate to determine whether you want to trust the certifying authority. Add the website to the list of exclusions or disable the encrypted The domain specified in the certificate does not match the website to . I have no experience with Outlook, but I have a feeling I'm about to learn more about it. All of our users just started getting this security alert. (Error-Code) If you got any of the notifications mentioned above, you should try to following solution to resolve it. The Secure Communication certificate must be a third-party certificate in order for single the sign-on process to work in most cases. Outlook clients throw the error: "MAIL. If you can operate the safe mode without any issue, that means the problem is with the third-party add-ins. In such a scenario, you need to repair corrupted OST file. Often, this means that the name on your certificate does not match the domain it's installed on. Autodiscover failing with Office 365 · Issue #337. VERIFY DENY: depth=1, (27) certificate not trusted: "". Aug 24, 2017 · Click on your name in the top right and select "My applications & coverage" from the dropdown. Select Re-Key your certificate, paste the new CSR, and select Add Change. Your domain name will be entered automatically, set the following; Service: _autodiscover. If no domains are listed in Web Protection icon list, proceed. For instance, Due to such error, the communication channel between the server and the client doesn’t stay encrypted. is invalid or does not match" Status: Resolved Hey, I'm looking for a straightfoward solution to my problem. The certificate is not expired. Click View Certificate again and either use the name they provided imap. Save the certificate for the website to a file: Click the red triangle icon next to “Not secure” in your address bar. I don't know when it started, but have noticed in the last day, when trying to access "mail. Fix 2 - Install the Certificate. There is a problem with the proxy security certificate, the certificate is not from a trusted certifying authority. It matters not whether the host is an Exchange Server or not; it might be a web server hosting a company website which is. It will throw a warning message saying the connection is untrusted or that there is a problem with the website's security certificate in the user's browser. a) In Exchange 2016/2019, the mapi URLs can be set from the EAC. Internet Explorer displays one of the following warnings with the self-signed (default) SSL certificate of the SonicWall: Untrusted Certificate Certificate Invalid Mismatched Address There is a problem with this website’s security certificate. The browser warns the user if the website uses an invalid certificate (it can't trace back to the root CA, or there is a mismatch in the names enlisted in . Di Security Alert dialog box, click View Certificate. Host offering this service: {The FQDN of your CAS/Exchange server}. Copy Client Id and Client Secret fields and click on the "Create. Enter your router user name and password. " When I click on View Certificate the certificate is issued to OtherDoman. Choose service location (SRV) > Create Record. I can't configure an internal DNS zone for DOMAIN. At Control Panel > Security > Certificate, you can do the following:. The first thing you should do is to check whether the name of the certificate and the mail server is the same or not . Click "View Certificate" and check if the url used by autodiscover is listed by the SAN certificate: Since the url listed in existing certificate is hard to change, you can replace the existing A record by using an SRV record that points to a namespace that is already in the SAN of the SSL certificate: https://support. The site's Digital Certificate has expired or revoked - This is quite a common occurrence with old websites that are not being actively maintained. Category: It Courses, Security Courses Preview / Show details. We did notice that when we changed the Certificate binding in IIS to use the SAN Certificate on the Hybrid CAS server (Server05) some users experienced the Outlook popup window with a red X about a certificate mismatch. When they log in there is a security Alert pop up indicating the cert is good, the cert date is valid, however, " The name on the security certificate is invalid or does not match the name of the site. The name of the security certificate is invalid or does not match the name of the site · 1) Open the Exchange Management Shell as "Administrator". Use the same certificate for each subdomain you install. Security certificates are used by our web browsers and computers to make sure a particular site is safe. The security certificate has expired or is not yet valid. Looking in DNS for the canonical name is part of the autodiscover protocol, but I think our bug is to prefer the canonical name if it's available in DNS. The name on the certificate is invalid or does not match the web site's name. When using Outlook 2007 connecting to our Exchange server through the public URL, I get the following error: There is a problem with the proxy server's security certicate. Please cancel the connection and notify the site-admin, if you suspect that the certificate shown does not belong to "www. Seen in Outlook when connecting to a mailbox on an Exchange Server, its caused by using a self signed certificate OR a purchased certificate, where the . Some of the serious security implications can occur due to Invalid SSL Certificate error, and it's recommended not to overlook such things. The certificate is issued by a trusted Certified Authority (CA). The Name on the security certificate is invalid or does not match the name of the site I understand why I get that error: Outlook 2013 is connecting to exch. The clients are receiving similar errors once they open their outlook. a common name mismatch / invalid error when visiting your site? the common name or SAN of your SSL/TLS Certificate does not match . The name of the security certificate is invalid or does not match the name of the site If you continue, you can view the page by using HTTPS. com, however URL without www was not included as a SAN. com saying "The name on the security certificate is invalid or does not match the name of the site". com Outlook will be redirected to this name. Security certificate is from trusted Authority. In the Site Bindings dialog, select the https binding and click Edit… In the Edit Site Binding dialog, enter spca. (Both Browsers) Select on the Details tab of the Certificate. [Green Tick] The security certificate date is valid. Asking for help, clarification, or responding to other answers. We used the NetBIOS name for the server name. Start by clicking on the three dots in the top-right corner of the browser window. "The name on the security certificate is invalid or does not match the name of the site". If your mail provider supports other server names, the easiest fix is to change the server name. the name of the local server is exch2016. com , you have to install it on each subdomain such as admin. Internet Security Warning Message. Outlook 2019 on premises connecting to Exchange Server 2016 on premises We kept getting Certificate Security Alerts when Outlook would open and periodical. The security certificate was issued by a company you have chosen not to trust. ORG because that will break access to WWW. Add Subject Alternative Name to openssl-temp. Example of an Outlook certificate warning. " "The name on the security certificate is invalid or does not match the name of the site" I clicked on "View Certificate" and it was Issued to "attlocal. com in the SSL Certificate combo box. This is usually the name that you'll need to specify for your incoming and/or outgoing server in your. ” When I click on View Certificate the certificate is issued to OtherDoman. Right click on the Lock and select on the arrow then More Information as shown below. As of this post, I am running Microsoft Edge DEV Version 77. " I can click 'Yes' to proceed, and all is well. (Here, you need to choose certificate issued by the CA you are going to use for S/MIME). If it is you, then you need to investigate further. Click on "Clear All" to remove domains in list. This issue is most likely caused by Outlook's Autodiscover service, part of the Outlook Anywhere functionality. Verify my SSL certificate request; More info. There is a problem with the proxy server’s security certificate. I can also check the other services and see that i get the same results for OAB, EWS, Outlook Anywhere (OA) and Exchange Active Sync (EAS). xxx is an IP address), the certificate identity is checked against this IP address (in theory, only using an IP SAN extension). Used the Set-OutlookAnywhere command to fix it: Web Site Reference: . The local system is missing a Root or Intermediate certificate needed to verify the server's certificate. Fix mail configuration - If the hosting user is a Shared Hosting customer, we help them change iPhone's mail server settings to use "mail. Of course, the first thought is to check the certificate that the service is presenting. How to fix the 'certificate security warning' issue. local Email domain is emaildomainname. If that's the case, you'll need to get a SAN/UC SSL certificate. When opening up files from my OneDrive I frequently get the above warning about the name on the security certificate being invalid or does not match the name of the site. Then select More Tools > Developer Tools: Checking the SSL certificate status in Google Chrome. The security proxy does not have the current certificate. The solution is quite simple; click on the “View Certificate…” button and look at the “Issued to” name. "The Name On The Security Certificate Is Invalid Or Does. If you are installing a wildcard SSL certificate on cPanel, you need to specify the actual domain name, don't try to install it on *. You need to check the certificate and see what . To solve this click on the View Certificate and check the Issued to value. When Outlook is configured to use an email account that is hosted or does not match the name of the site" for Autodiscover certificate . Add domains to whitelist for Web Protection policy. You incorrectly enter the SAN as a sub-domain, multi-domain name, internal SAN or IP. In the Trust Center window, click Settings …. local" Outlook is unable to connect to the proxy server. A website having a valid security certificate lets your browser know that the website claiming to be your bank is actually your bank, and so on. The security certificate was issued by a company you have not chosen to trust. This person is a verified professional. The solution is quite simple; click on the "View Certificate…" button and look at the "Issued to" name. When user open outlook 2013 When they are in internal network. When I view the certificate, it is as follows: I have no problem proceeding and opening and using the file, but am concerned about the persistent warning. This certificate if not from a trusted source. com may point to the same server, but certificate is issued only to. Select " Continue to this website (not recommended) " if you trust the connection to the website. Priority: 10 Weight: 10 Port: 443. com in the common name or Subject Alternative Name, then the issue will occur. On a client workstation; Check to see that the Out of Office URL is correct in a client's Outlook. [Green Tick] The security certificate is from a trusted certifying authority. if they click yes, half can open outlook, the other half get that annoying Cannot start Microsoft Outlook. Use the search bar in the upper. Following regulations, we will always add your Common Name as a SAN, this does not need to be specified.