Preventing Lync Server certificate expiration

Summary

A Lync Server Certificate is about to expire in a few days:

  • An expired certificate will cause the Lync Server services to not start
  • An expired certificate may communication between Lync Server roles to fail

More Information

There are two ways to locate information about the certificate that is associated with the Lync Server server

Method 1: Using Lync Server Deployment Wizard

Note You can also request a certificate from an internal CA, or assign an existing certificate from this wizard.

  1. Launch the Lync Server Deployment Wizard from the Windows Start menu on the Lync Server server
  2. Click on "Install or Update Lync Server System"
  3. Click run on Step 3: Request, Install, or Assign Certificates
  4. Use the Certificate Wizard to view all the certificates that are installed for the Lync Server server

Method 2: Using Lync Management Shell

Use the PowerShell cmdlet Get-CsCertificate to locate information about the certificate associated with the Lync Server server

Note

To view all properties on the certificate objects returned to see the SAN's. Use with a "Get-CsCertificate | fl –property * cmdlet

For more information on Get-CsCertificate cmdlet, please refer the following document:

Get-CsCertificate

To request a certificate using the Lync Management Shell, use the Request-CsCertificate cmdlet.

For more information on Request-CsCertificate cmdlet, please refer the following document:

Request-CsCertificate

To import a certificate using Lync Management Shell, use the Import-CsCertificate cmdlet.

For more information on Import-CsCertificate cmdlet, please refer the following document:

Import-CsCertificate

To assign a certificate using Lync Management Shell, use the Set-CsCertificate cmdlet.

For more information on Set-CsCertificate cmdlet, please refer the following document:

Set-CsCertificate

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