Renew MS Exchange Trusted Certificate

Here are steps I use to renew MS Exchange 2007 trusted Rapid SSL certificate:

  1. On the Exchange Server open IIS 7 Manager (Internet Information Services)  
    • Go to Server name > Server Certificates
    • In Actions panel click on Create Certificate Request
    • Fill all certificate request fields and save the request as request.txt file.

      Common Name: full webmail URL

      Cryptographic service provider: Microsoft RSA SChannel Cryptographic Provider
      Bit Length: 2048
  2. Upload certificate request string (including -----BEGIN NEW CERTIFICATE REQUEST----- and -----END NEW CERTIFICATE REQUEST-----) to Rapid SSL when prompted and complete the order / verification process.
  3. Save your new certificate (Rapid SSL normally sends it as plain text via email) into certificate.cer file (including lines -----BEGIN CERTIFICATE----- and -----END CERTIFICATE-----)
  4. Go back to IIS 7 Manager, click on Complete Certificate Request and upload the certificate.cer file.
  5. Open Exchange Management Shell
    • Run Get-ExchangeCertificate | List to list all certificates present on the server.
    • Find your newly installed certificate and copy its Thumbprint value
    • Run following command to enable your new certificate for all Exchange services:
      Enable-ExchangeCertificate -thumbprint "B1BB978024A347BAC22438D6432C1B123AFAF11A" -services IIS, POP, SMTP, IMAP
      Replace thumbprint value with text copied in the previous step.
    • Run Get-ExchangeCertificate | List again to make sure the certificate is now enabled for all required Exchange services.

Windows Server 2008
MS Exchange 2007 Standard

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