Username is already there'.User not found'.VMware Identity Manager 3.3.7
The issue is caused by a Distinguished Name (DN) mismatch between Active Directory and the VMware Identity Manager database, causing a logic deadlock.
Resolving this deadlock requires manual database manipulation to rename the stale records, which allows the synchronization engine to correctly re-import the users.
Please contact Broadcom Support to perform these steps and cite this KB article for reference.