If so, you need SAP Universal ID. In a few months, SAP Universal ID will be the only option to login to SAP Community. Without it, you will lose your content and badges. If you have multiple accounts, use the Consolidation Tool to merge your content.
I just installed Oracle 11g in my machine for Netweaver 7.3 installation on windows ,then how to set environment variables in my windows xp ? is it mandatory to set env's?