Source: Novell Certificate Server
Explanation: A certificate with the specified key pair name already exists for the specified server.
Possible Cause: A server certificate with the specified key pair name has already been created for the server.
Action: If the existing server certificate is no longer valid and another certificate with the same key pair name is desired, perform all of the following operations:
If the existing certificate is still in use or is still necessary, do not delete it. Instead, create another server certificate with a different name.
Possible Cause: The Server Certificate object that holds the server certificate has been deleted, but eDirectory or NDS has not yet synchronized.
Action: The partition in which the Server Certificate object resides must be synchronized to all servers that hold a replica before a new server certificate can be created for the same server with the same key pair name. Normally, synchronization will occur automatically, but it may take some time. If synchronization does not occur within a reasonable timeframe, run dsrepair.nlm on the servers in the replica ring.