Reset IIS on the BBNC Web Server. The website is still looking for the previous Education Edge files.  An IIS reset is good step to do after all upgrades.

To access the testconfig page:
If NetCommunity is on version 7.0 and below, review [netcommunityURL]/testconfig.aspx. 
If NetCommunity is on version 7.1 and above, refer to Access is denied warning when trying to view testconfig.aspx