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Which Exchange 2010 certificate is used?

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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PhilipWestphal
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PhilipWestphal
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1 Solution
 
Jamie McKillopIT ManagerCommented:
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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PhilipWestphalAuthor Commented:
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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Jamie McKillopIT ManagerCommented:
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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PhilipWestphalAuthor Commented:
Thanks a lot.
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