How to disable Multiple logins for a user?

If you want to stop users from logging in from multiple machines at the same time, use the instance profile parameter: login/disable_multi_gui_login

Go to Transaction RZ10

–> Select the Default Profile

–> Click radio button for Extended Maintenance

–> Clicck Add then type: ‘login/disable_multi_gui_login’ in the parameter box.

–> Value *
However if you want particular users to be excepted from this rule you could set up the parameter: ‘login/multi_login_users’

The users against this parameter will be allowed multiple logins. This applies to dialog logon type only. It does not apply to system logons that occur using the Remote Function Call (RFC) or to logons via the Internet Transaction Server (ITS).

If you want to prevent user from multi login, you can put a parameter in the Instance Profile to prevent them from doing so.

Transaction RZ10–> Instance Profile–> Extended Maintenance

Use the ‘login/disable_multi_gui_login’ Parameter.

Enter User name as the value.

You can specify the list of Excepted Users for Multiple Logons using Parameter:

“login/multi_login_users

Note: This function applies to dialog logons only. It does not apply to system logons that occur using the Remote Function Call (RFC) or to logons via the Internet Transaction Server (ITS).

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