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Exchange 2013 what type of certificate needed

Posted on 2014-03-10
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Last Modified: 2016-05-31
Hello,

We have a new exchange 2013 environment. New one, built from scratch and starting with empty mailboxes, new AD. No connection to other older mailservers or AD needed

Final task is to implement SSL certificate.  We have following domains/servers:

Internal usage:  mailserver.domain.local
External usage:  webmail.domain.com

Do I need a single domain SSL certificate or do I need a SAN/multiple domain certificate ?  As it differs in price :-)
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Question by:Epoel
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Alan Hardisty earned 2000 total points
ID: 39917605
You ideally need a SAN / UCC (multiple name SSL certificate) but you won't be able to add the .local domain name.

You can reconfigure Exchange to use your external FQDN internally with a few tweaks, so just add webmail.domain.com and autodiscover.domain.com to the certificate and that should be sufficient.

Alan
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