KB ID 0000453 Dtd 24/05/11
Exchange 2010 installs with it’s own (self signed) certificate. To stay free of security errors and warnings, the best bet is to purchase a “publicly signed” digital certificate and use that.
The following process uses the Exchange Management console to create a CSR (Certificate Signing Request). Then what to do with the certificate, when it has been sent back to you.
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