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RPC_S_CALL_FAILED_DNE
RPC_S_CALL_FAILED_DNE means that the RPC call failed and the server procedure did not start executing. Microsoft documents that the server was reachable at some point, but the request did not enter the server procedure.
Why the distinction matters
This status gives a stronger retry signal than RPC_S_CALL_FAILED, because the remote operation was not started. It still does not replace application-level retry policy: the underlying reason can be transient or can reflect a permanent server configuration problem.
What to check
- Endpoint registration, interface availability and security negotiation.
- Server startup or shutdown activity around the failure.
- Whether a bounded retry with backoff is safe for this particular client operation.
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