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RPC_NT_INVALID_VERS_OPTION
The requested interface version matching option is not valid
RPC name-service lookup and interface matching can use version options to control whether exact, compatible, or other version matches are allowed. This status means the option itself is not a supported selection.
The fix is not to change the interface UUID blindly. Check the version-option constant used by the import or lookup API and confirm it matches the intended compatibility policy.
What to inspect
- Record the interface UUID, major/minor version and version-option constant.
- Use documented version options for name-service lookup.
- Check wrapper layers that translate version policy into RPC constants.
References
- Microsoft: RPC name service entry overview
- Microsoft: Registering RPC interfaces
- Microsoft Open Specifications: NTSTATUS values
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