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WU_E_PT_LOAD_SHEDDING
WU_E_PT_LOAD_SHEDDING means that the server deliberately reduced load by rejecting or deferring work. It is a capacity signal, not evidence that one client has corrupted update data.
Recommended response
- Retry later with backoff rather than launching repeated simultaneous scans.
- Check WSUS, proxy, and database capacity if the condition persists or affects many clients.
- Review scheduled scan waves and maintenance tasks that may concentrate demand on the service.
Treat load shedding as a server-capacity signal
This protocol-talk status says the server is reducing accepted work. It differs from a client-side timeout and from an HTTP connection failure: WUA has identified server load shedding as the reason the request cannot proceed. Large fleets that immediately retry every affected device can amplify the pressure that caused the response.
Use bounded backoff with jitter in orchestration outside WUA and preserve the service endpoint plus the time window of failures. On WSUS or another managed service, correlate client events with server CPU, memory, application-pool health, database latency, and concurrent scan volume. A client data-store reset is unrelated unless a separate local error demonstrates corruption.
References
References
- Microsoft: Windows Update protocol-talk error codes
- Microsoft Open Specifications: Windows Update Services protocol
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