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RPC_E_NO_CONTEXT
No RPC call context is associated with the current code path
RPC_E_NO_CONTEXT is HRESULT 2147549470 (0x8001011E) from winerror.h. The documented description is “No context is associated with this call; This happens for some custom marshalled calls and on the client side of the call.” The relevant context is the COM/RPC call control, message filtering, apartment routing, marshaling, security negotiation, or remote object lifetime.
The hexadecimal value and symbolic name of this result should remain attached to the originating API and operation instance.
What to verify
Verify that the current stack, side of the call, and marshaling model prove whether context should exist.
Where it is encountered
- Cross-apartment or cross-process COM method invocation and activation.
- STA message filtering, reentrancy, call cancellation, timeout, or retry handling.
- DCOM security initialization, proxy/stub marshaling, OBJREF processing, and server object lifetime.
The immediate focus is a context-dependent COM API invoked outside a server call, from client-side code, or from a custom-marshaled path that does not provide standard context.
Correct handling and recovery
Pass explicit context data, execute the operation inside the active server method, or make context use optional where the contract permits it.
Difference from nearby HRESULTs
It says no context exists; RPC_E_CALL_COMPLETE says a formerly valid context has already expired.
The distinction around it should be represented explicitly in control flow and operational dashboards.
Developer and administrator guidance
Document the component that returned the result so future occurrences can be correlated across client, proxy, server, package, and security logs.
Practical scenario
A helper called by both client and server paths always queries the server call context. It now accepts an explicit identity when invoked on the client side.
References
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