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.
Does SAP EP have an iView/business package for locating an expert across your user management engine (UME)? Does this function come out of the box or needs to be installed?
If so, what backends are supported? (R/3, LDAP etc)