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 have opened Periods upto Future dates (July 2012) in SAP landscape. Now I would like to reverse it back to Period of Jan 2012. Material ledger is active in the SAP landscape. Please suggest options.