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Servers not able to communicate with WSUS

We are using WSUS configured on Windows 2012 R2 to patch our Server in domain

It has been observed most of the times 60 % Boxes are not reporting /communicating  with WSUS

Need to diagnose if that is because if  Group Policy or something else ?

How can we diagnose /validate the same if policy is applied in right wy to get server communication with WSUS?

Please help  with your best practice  if any tool /steps /diagnostic utility we can follow to get this fixed
Thanks
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Noah
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Hi there! :)

You may refer to the following link for troubleshooting methods and steps. You can infer from the link and I will assist you from there.

Reference: https://blogs.technet.microsoft.com/sus/2008/07/10/troubleshooting-wsus-clients/
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ASKER

Thanks Noah,

How to verify if Policy is  correctly configured /applied to get WSUS communicated  with clients in domain ?
Any command  we can push /pull from WSUS Server or Client computers to get it fixed?
Any more utility steps to report computers in wsus console with valid communication
Check whether the reg key
  HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate
exists and contains the WSUS server name etc. This key needs to be set by the GPO, if everything goes well.

Next, generate a lig file as described in the link above.
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ASKER

Thanks Qlmo,
will check this manually can we fetch this manully for mutiple computers?
any way to make this entry automated for mutiple computers if not going through gpo?
You can export that reg key from a working machine (as .reg file) and apply (locally) on a non-working machine. I'm doing that for a few (intentionally) non-domain joined PCs.
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ASKER

will tray that manually by pushing reg key
can we push it on multiple boxes using script  ?
what else we can do before going to DC to have look on group policy ?
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ASKER

Please help if there is any tool/utility to make wsus better for above given need
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Qlemo
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Thanks