Certificate management
Although both the CAS and Mailbox roles use certificates, the CAS role depends on them much more heavily, which is why I’m talking about them so early in the book. Although Exchange 2013 (like the two preceding versions) installs self-signed certificates on each server as you install it, most organizations find that self-signed certificates don’t meet their needs.
How Exchange uses certificates
Choosing the right set of certificates begins with understanding how Exchange uses certificates. The Mailbox and CAS roles each use certificates in a variety of ways:
To give clients a way to authenticate the identity of a server. This is the most common use, and it’s the one that generates the most work for Exchange administrators due ...
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