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.
My friend has completed CCNA certification and five years of experience in networking. Is there any SAP course which he can take up now and change his carrier. Is it good to do so? Please suggest him a good way.