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WS_E_SERVER_REQUIRES_DIGEST_AUTH
WS_E_SERVER_REQUIRES_DIGEST_AUTH is a Windows Web Services API HRESULT. It means that the remote endpoint rejected the offered authentication scheme and requires HTTP Digest authentication.
What to check for WS_E_SERVER_REQUIRES_DIGEST_AUTH
- Inspect the endpoint challenge and verify client support for the required Digest parameters.
- Use the API credential mechanism instead of generating authorization headers by hand.
- Check endpoint realm, nonce and clock-related behavior when repeated authentication attempts fail.
Diagnostic interpretation
This result has the HRESULT value 0x803D001D. AllStat records the condition as “The remote endpoint requires HTTP authentication scheme 'digest'.”.
Evidence to capture
- Capture any IErrorInfo text, activity identifier, event-log entry, and subsystem trace that mentions this result or the ws / server / requires / digest / auth operation.
- Preserve the first failure in the call chain; a later HRESULT can describe cleanup rather than the original ws / server / requires / digest / auth condition.
Retry and recovery
For WS_E_SERVER_REQUIRES_DIGEST_AUTH, recovery should change one confirmed condition at a time. The verification run should use equivalent inputs and prove that the same boundary no longer rejects the operation.
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