What does HRESULT 0xC1210257 (EVT_WDSMCS_E_CP_OPEN_INSTANCE_FAILED) mean?

 
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EVT_WDSMCS_E_CP_OPEN_INSTANCE_FAILED

EVT_WDSMCS_E_CP_OPEN_INSTANCE_FAILED is a Windows Deployment Services (WDS) Multicast Server result. It indicates that the provider returned an error while WDS Multicast Server attempted to create a content-serving instance.

What to check for EVT_WDSMCS_E_CP_OPEN_INSTANCE_FAILED

  • Capture the provider-specific error and serialized instance configuration supplied by WDS.
  • Verify provider resources such as storage, permissions, licensing, and dependent services.
  • Test a minimal instance configuration before enabling optional namespace or content settings.

Microsoft documentation on the Windows Deployment Services Multicast Application Protocol

Diagnostic discriminator: Trace the WDS content-provider call that creates a serving instance and record the provider-returned failure. This status occurs after provider loading/initialization, at instance creation.


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