SUP Sync getting failed on CAS server

Question

Hi Team,

i am getting below error while synchronizing update on CAS server, please help me out, when i do WSUS cleanup it started working fine and synchronize get completed successfully, but again after 1 or two days its again gets failed, we have set sync schedule daily.

WSUS Synchronization failed.
Message: The operation has timed out.
Source: Microsoft.UpdateServices.Internal.DatabaseAccess.ApiRemotingCompressionProxy.GetWebResponse.
The operating system reported error 53: The network path was not found.

when i run manually Synchronization got below Error

WSUS Synchronization failed.
Message: The operation has timed out.
Source: Microsoft.UpdateServices.Internal.DatabaseAccess.ApiRemotingCompressionProxy.GetWebResponse.
The operating system reported error 128: There are no child processes to wait for.

In monitoring tab i am getting Error code; 0X80131509

Answer 1

Hi @Karunasheel Boudh ,

This is a typical behaviour of a bloated SUS DB. Could we know the operation of WSUS cleanup is on the side of WSUS console or SCCM? Is it WSUS Maintenance? If not, please try to cleanup it on the side of SCCM.

Here is the detailed information:
https://learn.microsoft.com/en-gb/troubleshoot/mem/configmgr/wsus-maintenance-guide#maintain-wsus-while-supporting-configuration-manager-current-branch-version-1906-and-later-versions

---

If the answer is the right solution, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.