What does HRESULT 0xC1210303 (EVT_WDSMCS_E_NSREG_FAILURE) mean?

 
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EVT_WDSMCS_E_NSREG_NAMESPACE_EXISTS WDSTPC_E_CALLBACKS_NOT_REG

EVT_WDSMCS_E_NSREG_FAILURE

EVT_WDSMCS_E_NSREG_FAILURE is a Windows Deployment Services (WDS) Multicast Server result. It indicates that namespace registration failed after a provider or server operation returned an unspecified error.

What to check for EVT_WDSMCS_E_NSREG_FAILURE

  • Read the detailed error information in the same event and preceding WDS server logs.
  • Validate namespace configuration, provider registration, server availability, and network policy together.
  • Retry only after preserving diagnostics because the underlying cause may be configuration or provider state.

for it, Microsoft documentation on the Windows Deployment Services Multicast Application Protocol

Diagnostic interpretation

This result has the HRESULT value 0xC1210303. AllStat records the condition as “The namespace %1 using content provider %2 could not be registered due to an unknown error. %n %n Error Information: %3 %n”.

Evidence to capture

  • Capture any IErrorInfo text, activity identifier, event-log entry, and subsystem trace that mentions this result or the evt / wdsmcs / nsreg operation.
  • compare the failing machine with a working one at the same configuration boundary: component version, policy, registration, identity, and target resource.

Retry and recovery

Retry this result only when the owning API documents a transient state or after the condition described as “The namespace %1 using content provider %2 could not be registered due to an unknown error. %n %n Error Information: %3 %n” has changed.


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