SAP Message PU817 - Specify a name unique in the Change & Transport System

Diagnosis The name &V1& is not unique in the Change and Transport System. In particular areas of the Change and Transport system, transport usernames are generated on the basis of the user names. These are no longerunique. This may reduce performance when working with the Change andTransport system. Procedure Choose a user name that consists only of letters and the figures 0 to9.