The IUpdateServiceRegistration::ServiceID (opnum 9) method retrieves the service identifier.

 HRESULT ServiceID(
   [out, retval] BSTR* retval
 );

retval: A string identifying the service.

Return Values: The method MUST return information in an HRESULT data structure. The severity bit in the structure identifies the following conditions:

• If the severity bit is set to 0, the method completed successfully.

• If the severity bit is set to 1, the method failed and encountered a fatal error.

Exceptions Thrown: No exceptions are thrown beyond those thrown by the underlying RPC protocol [MS-RPCE].

This method SHOULD return the value of the ServiceID ADM element.