Replace self-signed Exchange certificate

article #740, updated 2226 days ago

Here’s how to replace a self-signed Exchange certificate in the Exchange Shell.

First get the list with details:

Get-ExchangeCertificate | fl

You’ll see all of the certs, with expiration dates (“NotAfter”) and thumbprints. For each one that you need to replace, do this:

Get-ExchangeCertificate -thumbprint <thumbprintcontents> | New-ExchangeCertificate

Then say Yes.

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