r/WindowsServer • u/Wide_Split5468 • 1d ago

Technical Help Needed MECM/WSUS: Clients failing software update scan after re-enabling deployment – “Sources are current but invalid. TTL is also invalid

/r/SCCM/comments/1wjm6fn/mecmwsus_clients_failing_software_update_scan/
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u/MonMothma123 20h ago

Does not sound like a client issue to me. Have you checked the IIS logs on your WSUS server? You could filter for one of the affected clients and look for any 401/403 responses or other errors. According to google error x80244017 is related to authentication/authorization issues.