MS Exchange 2010 constant security requests & credentials

Posted on 2011-10-31
Last Modified: 2012-05-12
We are moving to Exchange 2010 currently.  

However it is not going well, we are having problems with constant password requests for all the end users, and the security is comming back as invalid due to not matching the third item "The name on the security certificiate is invalid or does not match the name of the site."

Accomping this is slow email response.  

Any ideas as to what may be causing the problems?  We have been struggling with this for a few days.  :(

Question by:ScriptAddict
    LVL 33

    Assisted Solution

    did you configure the internal SCP URL for autodiscover correctly, this has to match a name that is in the SAN on your SSL certificate.
    LVL 11

    Author Comment

    Unfortunately we have two certificates.  

    One we use for internal addresses and one we use for external addresses from Go-Daddy, this appears to be causing some problems I just don't understand.  

    If we could just figure out how to get it to use the correct certificate in each case.  If that is even possible.
    LVL 11

    Author Comment

    Internal address is self signed.  
    LVL 2

    Accepted Solution

    check this one

    i think you need to purchase a UC/SAN Certificate for your exchange
    LVL 9

    Assisted Solution

    The easiest way is to include ALL your internal and external hostnames in a SAN certificate, then both internal and external clients would have no issues since they all trust the CA.

    That means:
    hostname (ie. ex1internal, but not the whole FQDN, just the hostname)
    any other aliases you may have set up.
    LVL 11

    Author Closing Comment

    Our IT says they have it figured out.  However, the error continues to occur :(

    They just aren't getting around to getting the certificate re-issued.

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