Outlook Certificate Error Connecting To Exchange 2010
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Exchange 2010 Certificate Error When Opening Outlook
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Outlook 2010 Certificate Error When Sending Email
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an Exchange 2010 server and at the same time have been upgrading our workstations to Win7 with Office 2010. how to view exchange certificate in outlook 2010 The new Exchange. 2010 server also hosts OWA and we have a Verisign certificate for our external webmail address. As I migrate users from the old Exchange 2003 server to the https://support.microsoft.com/en-us/kb/2006728 2010 server, they're getting certificate errors that the server name doesn't match the certificate. The Verisign cert is for webmail.xxx.com. The Outlook 2010 users get 3 cert errors, one for exm02 (the netbios name) another for the FQDN, and one for mail.xxxx.com. For $800 per name I can add these to the Verisign cert, but trying to avoid that. I set up an internal https://community.spiceworks.com/topic/148488-exchange-2010-and-outlook-2010-certificate-issue CA, and issued a cert to the new Exchange server, but Outlook users are STILL getting the certificate errors. Outlook still sees the verisign cert, but doesn't seem to care about the cert issued from my internal CA. My CA is a trusted authority on the workstations per group policy. I'm new to certs and CA's and even Exchange 2010 so I have no idea what I'm doing wrong here. Can anyone help? Reply Subscribe View Best Answer RELATED TOPICS: Exchange 2010 - Split DNS and Certificate Upgrade - Outlook 2010 Connectivity Outlook 2010 wont connect to exchange 2010 Outlook 2010 - Exchange 2010   13 Replies Datil OP Mark McKinlay Jul 21, 2011 at 8:54 UTC cant swear to this but something in the back of my head is telling me that you can only use one certificate ate a time and the certificate needs to be a UC certificate such as http://www.comodo.com/e-commerce/ssl-certificates/exchange-ssl.php 0 Mace OP Nick-C Jul 21, 2011 at 8:55 UTC Since Exchange 2007 the standard practice for SSL certs has been to require a SAN (Subject Alternative Name), certif
Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers http://serverfault.com/questions/618309/exchange-2010-certificate-error-on-internal-outlook-2013-connections or posting ads with us Server Fault Questions Tags Users Badges Unanswered Ask Question _ Server http://www.shudnow.net/2013/07/26/outlook-certificate-error-and-autodiscover-domain-com-not-working/ Fault is a question and answer site for system and network administrators. Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the top Exchange 2010 - Certificate error on internal Outlook 2013 connections up vote 0 down vote favorite I have an Exchange 2010 certificate error and Outlook 2003. The exchange server has a wildcard SSL certificate installed *.domain.com, (for use with autodiscover.domain.com and mail.domain.com). The local fqdn of the Exchange server is exch.domain.local. With this configuration there is no problem. Now I started upgrading all Outlook 2003 to Outlook 2013, and I start to get consistently a certificate error in Outlook : The Name on the security certificate is invalid or does not match the name of the site I understand why I get that error: 2010 certificate error Outlook 2013 is connecting to exch.domain.local while the certificate is for *.domain.com. I was ready to buy a SAN (Subject Alternate Names) Certificate, that contains the three domains exch.domain.local, mail.domain.com, autodiscover.domain.com. But there is a hindrance: the certificate provider (in my case Godaddy) requires that the domain is validated as being our property. Now it is not possible for an internal domain that is not accessible from the internet. So this turns out not to be an option. Create self-signed SAN certificate with an Enterprise CA is an other option that is barely viable: There would be certificate error with every access to webmail, and I had to install the certificate on all Outlook clients. What is a recommended viable solution ? Is it possible to disable certificate checking in Outlook ? Or how could I change the Exchange server configuration so that the public domain name is used for all connections ? How to change the main FQDN of the Exchange server, as suggested in the answer, without the need of reinstalling the server ? Or is there another solution I'm not thinking of ? Any advice is welcome. exchange-2010 ssl-certificate outlook-2013 share|improve this question edited Aug 20 '14 at 7:44 asked Aug 6 '14 at 6:56 Lorenz Meyer 2982420 Why are you using .local at all? –Joe Sniderman Aug 6 '14 at 8:47 @JoeSniderman Because our AD domain is sbgmb.local. Therefore the fqdn of the ex
Errors which applies to Outlook 2007, Outlook 2010, and Outlook 2013. You can see that post here. That blog post describes an incorrect certificate on Exchange itself. For example, you make a connection to Exchange and your InternalURLs, ExternalURLs, and AutodiscoverServiceInternalURI FQDN is not defined on the certificate. Therefore, you must update the InternalURLs, ExternalURLs, and AutodiscoverServiceInternalURI to match the certificate FQDN. This specific issue is a bit different. This issue is that when you are trying to make a connection to Autodiscover via https://autodiscover.domain.com, the Outlook client does not successfully make a connection to it and you get a certificate error. The certificate you see pop up in Outlook during the error isn't even the certificate that is located on Exchange. The certificate error that pops up shows you that it is finding the certificate on your company's public website. So the million dollar question? Why the error and why is it showing the company's public website's certificate. Well first, let's explore a little on the steps External Autodiscover goes through in order to find Exchange. Internal Autodiscover and the Service Connection Point The Autodiscover service is a mechanism that can do several things. Automatic Mailbox Creation Redirects Outlook 2007/2010/2013 clients to point to the correct server in which their mailbox is located Provides URLs to Web Services for Outlook 2007/2010/2013 When you first launch your Outlook client (Outlook 2007 or above required for Autodiscover access), it will search Active Directory for a Service Connection Point (SCP) record. Every time a CAS Server is installed, it will register this SCP record within Active Directory in the following location: CN=Autodiscover,CN=Protocols,CN=