CORA Cleanup does not work with SQL Server.
CA Client Automation – All Versions
IMPORTANT: This article contains information about modifying the registry.
Before you modify the registry, make sure to create a back up of the registry and ensure that you understand how to restore the registry if a problem may occur.
For information about how to back up, restore, and edit the registry, please review the relevant Microsoft Knowledge Base articles on support.microsoft.com.
For SQL Server 2008, for CORA cleanup to connect to the database the DWORD key 'UseIPv4ForDB' needs to be set to 1 under:
If the key does not exist it needs to be created. After running coracleanup this key needs to be reset to 0.