Renewing SBS2011 Exchange Self-Signed Certificate

In SBS2011:

  1. Open Exchange Management Console > navigate to Server Configuration and review the Certificates in the right panel
  2. Identify the certificate that has expired (take note of the subject name and the services)
  3. Start ExMngmtnShell as Administrator
  4. type Get-ExchangeCertificate to list the installed certificates
  5. Match the certificate to the expired certificate (using subject the name and services) from the Console then copy the associated thumbprint
  6. Type Get-ExchangeCertificate –Thumbprint INSERTTHUMBPRINTHERE | New-ExchangeCertificate
  7. Remove the old expired certificate either from the Console or from the Shell using Remove-ExchangeCertificate -Thumbprint INSERTTHUMBPRINTHERE

Note: I had to restart the server for the certificate to take effect.

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