If you want to activate an “emergency user” on AS Java for in case of J2EE_ADMIN user is unusable or locked then you should do the following steps on “Configtool”

Procedure for this situation ;

- Goto  /usr/sap/SID/J*/j2ee/configtool

- Execute configtool.sh

- Expand the left menu tree Instance –> Services –> com.sap.security.core.ume.services

Then you will see the related values like below screen

Change the values as shown below

Key                                                           Value                       Comment

ume.superadmin.activated                       true                        This activates the SAP* user

ume.superadmin.password                     <password>            Enter any password you want for the user SAP*

- Restart AS Java

Afterwards you can use the “SAP*” as emergency user for the JAVA system.

Once SAP* is activated all other users will be deactivated till SAP* is disabled again on the AS JAVA system.