Try the Link also:
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This can be done by setting Profile Parameter:
Set a profile parameter (login/failed_user_auto_unlock to unlock at midnight the locked users.
I don't know if there is a job for this, but you could set up a profile parameter:
login/failed_user_auto_unlock
It will automatically unlock users each day on midnight.
You need to write custom code using table USR02 and change the bflag mode. And schedule custom program with event defined on table USR02. In short, check with ABAP Development team, its possible. Thank you, Amit
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