The notice of disconnection is a type of unsolicited notification that can be used to indicate that the server is about to close the connection to the client for some reason (e.g., the server is being shut down, or the client has remained idle for too long, etc.).

The OID for the extended response containing the notice of disconnection is "". It will not have a response value, but the result code may provide an indication of the reason for the disconnection, and the diagnostic message may provide a human-readable explanation.