Cannot disable multiple logon

Dear all,
I want to disable multiple logon in my system, I have add parameter: login/disable_multi_gui_login value as 1. But it can't disable multiple logon after restart sap. Could you advice?
Rdgs,
Emily

Hello Emily
1. Try setting the parameter in default profile (DEFAULT.PFL).
2. The parameter restricts multiple logon throguh sap gui only. I hope you are testing multiple logons through sap gui.
Cheers,
Tapan

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