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WU_E_PT_HTTP_STATUS_NOT_MAPPED
WU_E_PT_HTTP_STATUS_NOT_MAPPED means that the HTTP request did not complete, but the reason did not match one of the specific Windows Update HTTP result codes. The log normally contains the real transport or HTTP context nearby.
How to investigate
- Read the surrounding Windows Update log lines for a WinHTTP error, response status, or proxy diagnostic.
- Check the system WinHTTP configuration and the exact update endpoint.
- Use server and proxy logs to determine whether the request reached the intended service.
Microsoft: WUA networking error codes
Microsoft: Get-WindowsUpdateLog
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