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RPC_NT_BINDING_INCOMPLETE
Incomplete RPC binding handle
RPC_NT_BINDING_INCOMPLETE belongs to the Windows RPC runtime NTSTATUS facility. MS-RPCE extends the DCE/RPC model: generated stubs marshal parameters, the runtime binds to an endpoint and protocol sequence, and security or transport failures can be returned as RPC facility status values.
This status points to a binding handle that does not contain enough information to make the requested call. A binding may be syntactically valid yet still incomplete for the chosen operation.
Look at the full binding state: protocol sequence, network address, endpoint, object UUID, options, and authentication information. It often appears after manual binding construction, partial string-binding parsing, or missing endpoint resolution.
What to check
- Convert the binding handle back to a string binding and inspect the missing fields.
- If the endpoint is dynamic, confirm that endpoint mapper resolution was performed before the call.
- If authentication is required, verify that credentials and security quality-of-service were applied to the binding.
References
- Microsoft Open Specifications: MS-RPCE overview
- The Open Group: DCE 1.1 RPC introduction
- Microsoft Open Specifications: NTSTATUS values
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