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Which Exchange 2010 certificate is used?

Posted on 2014-02-19
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Last Modified: 2014-02-19
Hello everybody,

i'm using the SBS2011 Exchange with activesync and clientcertificate based authentication. When i installed the server i first made a selfsigned certificate, but later i also made a thawte-signed cert. Now i don't know anymore which certificate is used for the ssl-encryption and presented to an outlook or whatever email client that comes in over active-sync. When i add a new client to the network i need the selfsigned-cert because thats the CA for the clientcertificates, but i dont know if this is the certificate used in the actual communication between server and client.

What information do you need to answer this question?

Kind regards
Philip
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Question by:PhilipWestphal
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Jamie McKillop earned 250 total points
ID: 39871419
Hello,

Run get-exchangecertificate -server <server> | fl

This will tell you which services each cert is enabled for. You can then run:

Enable-ExchangeCertificate -Thumbprint <thumbprint> -Services POP,IMAP,SMTP,IIS

To enable the new cert on any services.

-JJ
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by:PhilipWestphal
ID: 39871538
Hello JJ,

thanks for your answer. There is only one cert which is enabled for the service IIS... am i correct assuming that this is the cert which is used for the communication between the mailclients (i don't use imap or pop in any client, not onside and not for remote-access) and my exchange-server?

Kind regards
Philip
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LVL 37

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by:Jamie McKillop
ID: 39871547
Yes, whichever cert is enabled for IIS (there can be only one enabled at a time) will be used for client communication.

-JJ
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by:PhilipWestphal
ID: 39871611
Thanks a lot.
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