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Exchange 2013 - Cannot get seprate certs to work at the same time

Posted on 2016-11-11
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Last Modified: 2016-11-30
Hi!

I have a client who has purchased 2 basic certs for his Exchange 2013 server.  One from GoDaddy mail.mydomain..com and one from Network Solutions, Autodiscover.mydomainm.com.  The DNS for autodiscover is properly setup as an SRV record.  Both certs are installed.  But when the client logs into Exchange from Outlook he gets the cert warning on Autodiscover.  I checked and no services are assigned to the autodiscover cert.  When I assign IIS to it IIS is disabled on the mail cert and nothing works.

Any ideas?

Thanks!
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Question by:MOBlew
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by:Jason Crawford
Jason Crawford earned 1000 total points (awarded by participants)
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You don't technically need to cover autodiscover.domain.com in your cert if you use SRV records.  Just the mail.domain.com sub-domain will suffice.  Remove the cert for autodiscover and only add/assign services to the mail.domain.com cert.
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Todd Nelson earned 1000 total points (awarded by participants)
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Most of the services (with the exception of SMTP) in Exchange cannot be assigned to more than one certificate.

I would advise that they either get a UC/SAN cert that includes both names or change the DNS records for autodiscover to point to mail.mydomain.com.
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by:Todd Nelson
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Sufficient information provided for solution.
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