My customer configured WSUS server to "Not to save update file locally", so after detected update from WSUS, client tried to download update files from Microsoft Update; due to no internet access, client failed to finish the downloading.
Now customer changed WSUS server to "save update file locally". Client can detect the approved update on WSUS, but client still tried to download file from MU, but not from WSUS.
Due to large number of impacted clients in workgroup, customer does not accept the workaround to remove local SoftwareDistribution on client (it could work per test result). He would like to make client recover automatically without any manual aciton on client computer.
I tried to change WSUS server ID. The client detected "ServerChanged", but it still stubbornly tried to download update files from MU, not from WSUS. It seems declining and re-approving updates also not working.
My questions:
1. Is there any way to automatically make client recover and download update file from WSUS?
2. By default, how long will client cache the old information and then recover from such situation automatically?