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RPC_S_INVALID_NET_ADDR
RPC_S_INVALID_NET_ADDR means that the network-address component of an RPC binding is not valid for the selected protocol sequence. It is a binding-definition error before a remote procedure is invoked.
What to distinguish
An invalid address differs from an unreachable server. A malformed, empty or transport-inappropriate address can fail locally before name resolution, routing or an RPC connection attempt begins.
What to check
- Keep the server address separate from the endpoint and protocol sequence.
- Confirm the address uses the format expected by the selected RPC transport.
- When the value comes from DNS or service discovery, log both the original configuration value and the resolved address used for the call.
Microsoft: String Binding · RpcBindingFromStringBinding
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