If the error "Hashtable insert failed. Load factor too high" displays on a page then recycle IIS for the site.
This appears to be an ASP.net 3.5 internals error and is pretty rare, but the IIS recycle fixes the problem.
Article ID: 8, Created: 11/14/2014 at 4:29 PM, Modified: 11/14/2014 at 4:29 PM