20,212 questions
Any 3rd party AV/Firewall installed on the WSUS server? Disable it? Uninstall it?
Invoke-WsusServerCleanup Fails with HTTP status 403: Forbidden
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AU_Michael
1
Reputation point
I decided to run the cleanup wizard on my WSUS server recently and it crashes almost immediately with the reset server node error.
I went to PowerShell and I am getting the following error:
Any thoughts on why I am getting the error or how to correct it? The ServerIsInvalid is troubling, but I have no thoughts on how to go about fixing it. The server is fully operational otherwise and is configured to use SSL.
Appreciate any assistance.
Windows for business Windows Server User experience Other
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AlexZhu-MSFT 6,591 Reputation points Moderator2021-02-16T02:21:25.95+00:00 Hi,
For the problem, if we try the following command, any difference?
Get-WsusServer | Invoke-WsusServerCleanup -CleanupObsoleteComputers
Alex
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AU_Michael 1 Reputation point
2021-02-16T14:11:58.41+00:00 Good morning @AlexZhu-MSFT ,
I was hopeful last night when I saw your response. Sadly, when I run the Get-WsusServer first and then pipe it through I get the same error message.
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7 answers
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Adam J. Marshall 10,281 Reputation points MVP2021-02-18T18:36:37.057+00:00 -
AU_Michael 1 Reputation point
2021-02-18T18:46:35.163+00:00 Nope, just the standard Windows firewall governed by GPO. For a test I disabled it and still had no luck.
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Rhett Grant 0 Reputation points2024-01-12T14:12:15.21+00:00 I had almost exactly the same issue and it took me a while to figure out what the issue was. Any Powershell commands that interacted with WSUS was giving me this error. I tried all of Adam's suggestions and similarly to OP, I didn't have any success getting past 403 Forbidden. What the issue was for me was I incorrectly setup WSUS in IIS I put require SSL on the entire WSUS instance instead of the appropriate folders as indicated. Once I figured out that, all my issues with Powershell scripts and WSUS went away. Thought this was important to share incase someone else runs into this. Took me most of the day to figure this out only to find out it was my misconfiguration.
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Adam J. Marshall 10,281 Reputation points MVP
2024-01-12T15:06:56.42+00:00 Thanks for your feedback. I've added a section to https://www.ajtek.ca/wsus/client-machines-not-reporting-to-wsus-properly/#Incorrectly-Enabled-SSL To take care of this in the future.
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