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Preventing Lync Server certificate expiration

Article ID: 2736171 - View products that this article applies to.

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 Server roles to fail

There are two way 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.

Launch the Lync Server Deployment Wizard from the Windows Start menu on the Lync Server server
Click on “Install or Update Lync Server System”
Click run on Step 3: Request, Install or Assign Certificates
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 technet document
Get-CsCertificate

(http://technet.microsoft.com/en-us/library/gg398227.aspx )

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 technet document
Request-CsCertificate

(http://technet.microsoft.com/en-us/library/gg425723.aspx)

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

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

(http://technet.microsoft.com/en-us/library/gg398688.aspx)

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

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

(http://technet.microsoft.com/en-us/library/gg398518.aspx )

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