Access either the Administration Server or the Server Manager and choose the Security tab.
From the Server Manager you must first select the server instance from the drop-down list.
Click the Manage CRL/CKLs link.
The Manage Certificate Revocation Lists /Compromised Key Lists page appears with all installed Server CRLs and CKLs listed along with their expiration dates.
Select a Certificate Name from either the Server CRLs or Server CKLs list.
For the Server Manager, click Apply.
Restart for changes to take effect.