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WU_E_PT_SOAPCLIENT_PARSE
WU_E_PT_SOAPCLIENT_PARSE means that the response received by the SOAP client was not valid for the expected protocol. Common causes include an error page, corrupted response, incorrect endpoint, or an intermediary that rewrites content.
How to investigate
- Verify that the configured endpoint is a Windows Update or WSUS service endpoint, not a generic web page or redirect target.
- Inspect server and proxy logs for unexpected content types, redirects, or response transformations.
- Check the first parsing-related error in WindowsUpdate.log rather than clearing update data blindly.
Microsoft: WUA networking error codes
Microsoft: Get-WindowsUpdateLog
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