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RPC_S_ENTRY_ALREADY_EXISTS
Namespace entries have their own lifecycle
RPC_S_ENTRY_ALREADY_EXISTS is a name-service status. An RPC namespace entry is a named location used to publish or organize binding information and object UUIDs. It is not the same thing as an endpoint mapper record and not the same as a registered server interface.
The status usually means initialization code assumes it is creating a fresh namespace entry while an earlier deployment, another instance, or a previous run already created it.
What to check
- Normalize and log the fully expanded entry name and name-syntax value.
- Determine whether the existing entry is owned by the same service and is intended to be reused for updated bindings.
- When multiple server instances publish under one logical service name, design the export/update behavior explicitly instead of racing to create the entry.
- Do not delete an existing entry until its exported bindings and object UUIDs have been inspected; it may belong to another active server.
Endpoint mapper restart or firewall changes are unrelated. Resolve the namespace ownership and create-versus-update logic.
References
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