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WU_E_PT_HTTP_STATUS_REQUEST_TIMEOUT
WU_E_PT_HTTP_STATUS_REQUEST_TIMEOUT maps to HTTP 408: the server timed out while waiting for the request. It can result from a slow or interrupted client-to-server path, an overloaded intermediary, or a server that cannot receive the request in time.
What to check
- Correlate the event with proxy, VPN, firewall, load-balancer, IIS, and WSUS logs.
- Check whether the problem affects only one network segment or all clients.
- Avoid treating HTTP 408 as a package corruption error; it occurred during protocol communication.
Microsoft: WUA networking error codes
Microsoft: troubleshoot WSUS connection failures
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