Outlook 2007 Autodiscover Ssl Certificate Error
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Outlook Certificate Error The Name On The Security Certificate Is Invalid
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Autodiscover Certificate Error Exchange 2013
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The Name On The Security Certificate Is Invalid Or Does Not Match The Name Of The Site Exchange 2013
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Availability Migration You are here: Home / Outlook 2007 clients display certificate mismatch error after mailbox migrationOutlook 2007 clients display certificate mismatch error after mailbox migration February http://exchangeserverpro.com/outlook-2007-clients-display-certificate-mismatch-error-after-mailbox-migration/ 27, 2009 by Paul Cunningham 8 Comments When an Outlook 2007 user http://www.microsoftnow.com/2008/04/certficate-name-mismatch-in-outlook.html has their mailbox migrated from Exchange 2003 to Exchange 2007 they may start seeing a certificate mismatch error appear when launching Outlook. This problem will occur if the following conditions are true: the internal DNS namespace does not match the external DNS namespace (eg domain.local for internal certificate error and domain.com.au for external) a third party SSL certificate matching the external namespace has been applied to the IIS instance on the Client Access Server (eg cas.domain.com.au) The certificate mismatch occurs because the Autodiscover Service and/or Availability Service use the FQDN of the Exchange 2007 host in their URL (eg https://server.domain.local/AutoDiscover/AutoDiscover.xml) but the IIS instance has an SSL autodiscover certificate error certificate that does not match that name. To resolve this issue you can change the URL of the Autodiscover and Availablity services to match the name on the certificate, which you can do with the following shell commands. [PS] C:\>Set-ClientAccessServer -Identity cas.domain.local -AutoDiscoverServiceInternalUri https://cas.domain.com.au/Autodiscover/Autodiscover.xml [PS] C:\>Set-WebServicesVirtualDirectory -Identity "EWS (Default Web Site)" -InternalUrl https://cas.domain.com.au/EWS/Exchange.asmx -ExternalUrl https://cas.domain.com.au/EWS/Exchange.asmx As long as your internal clients are resolving the external name cas.domain.com.au directly to your Client Access Server this should resolve the certificate mismatch error. Uncategorized AutoDiscover, Availability Service, EMSm Outlook 2007, Exchange 2007About Paul CunninghamPaul is a Microsoft MVP for Office Servers and Services, specializing in Exchange Server and Office 365, and is the publisher of Exchange Server Pro. He lives in Brisbane, Australia, and works as a consultant, writer and trainer. Find Paul on Twitter, LinkedIn, or Facebook. Comments Steven Goh says June 29, 2010 at 6:10 pm This article works. I like this article as you gave details key in compare to the rest, even Microsoft didn't give this details. It helps me solved my exchang
in your organization, and if you have installed your SSL certificates (even commercial ones) on IIS, Outlook MAPI users may receive ‘Security Alert' messages similar to the above in Outlook. The name on the security certificate is invalid or does not match the name of the site. This is because of the certificate that you have installed on IIS. Outlook 2007 MAPI clients use Client Access Servers for the Autodiscover service. The Autodiscovery web service (a virtual directory on the Client Access Server) is used for automatically finding the mailbox server for a given user. When the Autodiscover service is accessed by Outlook, and the name on the security certificate installed in IIS doesn't match the internal FQDN of the Client Access server (CAS), this error results. Suppose your company's public domain name is mycompany.com. You may have obtained a certificate for webmail.mycompany.com and installed on the IIS of your Client Access Server. This is correct because users on the internet will type the public name. However, the same IIS on the CAS is hosts the Autodiscover virtual directory as well and this certificate applies. Your internal domain name might be mycmpny.local and the client access server FQDN might be CAS1.mycmpny.local. Outlooks 2007 uses this internal name to connect to Autodiscovery, and hence the mismatch error. To fix this problem, open Exchange Management Shell and type the following commands: Set-ClientAccessServer -Identity CAS1 -AutodiscoverServiceInternalUri https://webmail.mycompany.com/autodiscover/autodiscover.xml Set-WebServicesVirtualDirectory -Identity "CAS1EWS (Default Web Site)" -InternalUrl https://webmail.mycompany.com/ews/exchange.asmx Set-OABVirtualDirectory -Identity "CAS1oab (Default Web Site)" -InternalUrl https://webmail.mycompany.com/oab Set-UMVirtualDirectory -Identity "CAS1unifiedmessaging (Default Web Site)" -InternalUrl https://webmail.m