Client Copy SAP BW 3.1

Hai,

1 Client copy from source client 000 done .

2 log on to the system using client 823, username sap* and password pass.

3 user name cretaed with SAP_ALLn profile

4 i am unable to open administrator workbench screen.

system throws an error YOU CAN WORK ONLY IN CLIENT 000.

COULD ANYBODY HELP ME ON THIS ,

Regards,

Lol