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WS_E_SERVER_REQUIRES_BASIC_AUTH
WS_E_SERVER_REQUIRES_BASIC_AUTH is a Windows Web Services API HRESULT. It means that the remote endpoint rejected the offered authentication scheme and requires HTTP Basic authentication.
What to check for WS_E_SERVER_REQUIRES_BASIC_AUTH
- Confirm the endpoint is accessed through TLS before sending Basic credentials.
- Configure credentials through the supported client security settings and verify the correct realm.
- Avoid embedding passwords in URLs, source code or unredacted logs.
Diagnostic interpretation
This result has the HRESULT value 0x803D001C. AllStat records the condition as “The remote endpoint requires HTTP authentication scheme 'basic'.”.
Evidence to capture
- Capture any IErrorInfo text, activity identifier, event-log entry, and subsystem trace that mentions this result or the ws / server / requires / basic / auth operation.
- Reproduce this result with the smallest valid input and note whether the result changes with identity, architecture, service state, or target object.
Retry and recovery
Before repeating the call, correct the state that produced WS_E_SERVER_REQUIRES_BASIC_AUTH. Verify the repair with the same inputs and observation points rather than with a broader reset.
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