Sup0108 A Deployment Or Update Operation Is Already In Progress Best Updated Instant

The full error message usually reads: "SUP0108: A deployment or update operation is already in progress (best)". This error halts your Windows Server Update Services (WSUS) synchronization and prevents you from deploying critical patches. It is frustrating because it often appears without an obvious cause, locking the Software Update Point (SUP) into a phantom state of "busy."

By following the solutions above—starting with clearing the RefreshNow flag and escalating to a full SUP reinstall—you can resolve the error in under 15 minutes. More importantly, by respecting the boundary between WSUS (the engine) and ConfigMgr (the manager), you will rarely see this error again. The full error message usually reads: "SUP0108: A

When it comes to SUP0108, the fix is not about force; it is about releasing the invisible lock. Clear the flag, clean the database, and let the sync flow. Do you still see the error after trying these steps? Check your wsyncmgr.log for additional error codes like 0x80072ee2 (timeout) or 0x80070002 (missing file) that may accompany SUP0108. More importantly, by respecting the boundary between WSUS

If you manage software updates in Microsoft Configuration Manager (Current Branch), you have likely encountered the dreaded SUP0108 error. Do you still see the error after trying these steps