Hi Supriya,
Hope you are doing good.
What is the status of the upgrade; is the UME still ABAP ? If so just login to the backend ABAP server/client and unlock j2ee_admin.
Else login to visual admin and there is a security provider in the services where you can unlock the user.
Hope this helps.
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Kind Regards,
Hemanth
SAP AGS
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