Maintaining Clients and Logical Systems 
Choose , from the SAP main menu.
For more information on maintaining clients, refer to the F1 help documentation.
Note
If you have maintained a logical system in each of the source and target clients and assigned it to the client, the logical system names in the target client application data are automatically converted after copying the application data (e.g. with copy profile SAP_ALL).
For further details, see in the IMG.