User id in NW2004s Portal

Hi,
We have an NW2004s portal configured with logon ticket authentication with the backend system. When we login to the portal, the user id password combination is checked correctly.
However when we change any object (say a planning function), the change is registered against the rfc user which connects to the portal and not the user who has logged in.
Can anyone help with the config change that is required to fix this?
Thanks
Shailesh

Hi SM,
Prabhakar's suggestion is not really a good idea.
Let's say you follow Prabhakar's advice and use the user for UME-ABAP communication for ESS. What happens when someone changes the password of this user? The user administrator then changes the password in the UME system. Does the administrator of the ESS system hear of this? Maybe, maybe not. If not, the ESS system tries to connect and connect until the SAPJSF user is locked due to attempting to logon with the wrong password and suddenly the UME system can no longer connect. So from an administration standpoint this is a bad idea.
Another point is that the SAPJSF user has wide ranging authorizations for user management. I have no idea what kind of authorizations the ESS meta user needs, but I assume it is less than SAPJSF (otherwise Prabhakar's suggestion would not work). From a security standpoint it is not a good idea to give a user more authorization than he or she needs. Otherwise we could just give every user SAPALL and not worry about security.
Use separate users for separate tasks.
-Michael

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