Error running Lync Gathering: "The OLE DB provider "Server_Name" for linked server "LinkDBName\OC (4276026)

The full error is:

The following error occurred during the processing of a given gathering: The OLE DB provider "Server_Name" for linked server "LinkDBName\OCSCDR" does not contain the table ""LcsCDR"."dbo"."Users"". The table either does not exist or the current user does not have permissions on that table..The following error occurred during the processing of a given gathering: The OLE DB provider "Server_Name" for linked server "LinkDBName\OCSCDR" does not contain the table ""LcsCDR"."dbo"."Users"". The table either does not exist or the current user does not have permissions on that table..

And the error above references a database server from an old OCS pool that no longer exists.

In the MessageStats console:

Expand Database Management | Delete Data
Click on OCS/Lync Server Object Data.
Select the check box next to OCS Pools.
Click on the old pool with the database referenced in the error.
Click Delete Object
Warning!
If you click on Delete Object it will delete that object from the OCS Pools table as well as any other reference to that pool in the database. It will also delete any report data associated with that pool.