Sup0108 A Deployment Or Update Operation Is Already In Progress Best

A corrupted WSUS database often causes ghost operations. Run the cleanup outside of ConfigMgr.

Run the wizard. This may take 30 minutes.

After completion, restart the WSUS Service (Update Services) and the IIS Admin Service.

Retry the SCCM sync.

The error associated with SUP0108 typically stems from one of three scenarios: A corrupted WSUS database often causes ghost operations

If the above fails, you likely have a locked database. Run the wizard

SELECT
    session_id,
    blocking_session_id,
    wait_type,
    command,
    text
FROM sys.dm_exec_requests
CROSS APPLY sys.dm_exec_sql_text(sql_handle)
WHERE blocking_session_id > 0

KILL X

USE SUSDB
EXEC spDeleteUpdate @localUpdateID = 0, @bIsLocPublished = 0

The "operation already in progress" is a lock mechanism. Here are the three most common culprits: The error associated with SUP0108 typically stems from