Notice: In July, 2015, we had a major upgrade to the Ning Importer. Visit KB article here.
We’ve just released a Ning import script to make it easy for site owners to migrate over to SocialEngine. The import tool requires a fresh installation of SocialEngine 4 (without any content) and is designed to work with the Ning archive export.
To learn more, please visit the following KB article and let us know how it works for you.