All Services in this Service Set for Servers that support auditing may generate audit entries and shall generate audit Events for both successful and failed Service invocations. These Services shall generate an audit Event of type AuditNodeManagementEventType or subtypes of it. See OPC 10000-5 for the detailed assignment of the SourceNode, the SourceName and additional parameters. For the failure case, the Message for Events of this type should include a description of why the service failed. The additional parameters should include the details of the request.
For Clients that support auditing, accessing the Services in the NodeManagement Service Set shall generate audit entries for both successful and failed invocations of the Service. All audit entries should be setup prior to the actual Service invocation, allowing the invocation to contain the correct audit record id.