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Outlook / Exchange Certifcate

Discussion in 'Windows Server' started by jhenson3, Jan 26, 2011.

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  1. jhenson3

    jhenson3 Thread Starter

    Jan 26, 2011
    I have recently installed Outlook 2010 on several client systems which use MS Exchange 2008. The problem is that when you run Outlook, it asks for a certifcate and your password even though you are already logged into the domain. You can fill in this information and ask it to save but it will show up again after you close Outlook and re-open it. We did not have this problem with Outlook 2003 or 2007. If you canel the certificate/password request, everything works fine. You can send and receive mail as usual. This is really a big hassle for the user having to deal with this every time they run Outlook.

    Any suggestions?

  2. AQ78


    Mar 30, 2010
    You MUST ensure that your certificate has all the Subject Alternative Name (SAN). The certificate needs to include all names by which you'll connect to the server.

    for insstance mail.yourdomain.com is extarnal, internal it may be mailserver.yourdomain.com autodiscover.yourdomain.com
  3. Rockn


    Jul 29, 2001
    I am assuming that there is no certificate and this is just Outlook 2010 looking for a cert when accessing Exchange. You might want to look in the Trust center in Outlook.
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