Please upgrade to the latest releases of Add2Exchange Enterprise and Recovery and Migration Manager tool using these procedures.  This is a mandatory upgrade and addresses speed and functionality issues.  Stop the Service, uninstall and reinstall with the upgrade.

http://support.diditbetter.com/kb/a2e_219.aspx.

The current build of Enterprise Edition of Add2Exchange is version 14.6.1198.397.

The current build of Enterprise Edition of Recovery and Migration Manager is version 14.6.93.59

See details here in Release Notes at the bottom: http://support.diditbetter.com/knowledgebase.aspx

The Exchange blog is publishing a two-part series on how to recover your public folders when they've been deleted.  It focuses on Exchange 2010.

Find Part 1 here at:

http://blogs.technet.com/b/exchange/archive/2012/02/06/recovering-public-folders-after-accidental-deletion-part-1-recovery-process.aspx

If you're curious as to why the Add2Exchange setup process involves changing throttling policies for the Add2Exchange service account on Exchange 2007 and up, here's a good article from the How Exchange Works blog:

http://www.howexchangeworks.com/2011/11/why-do-we-need-new-throttling-policy.html?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+howexchangeworks+%28How+Exchange+Works%29