If an administration is large then for proper direction it must have numerous branches (forests). It is possible that many branches having different Exchange Server activate. If any employee shifts from one branch to another branch it is the major issue to change their database to them for further use. For this, you would need to perform Exchange Server cross forest migration. Then Exchange Export/Import Wizard using SysTools Exchange Server Solution software is well structured for Exchange Server Cross Forest Migration. Exchange Mailbox Export Tool supports: Exchange 2010 Cross Forest Migration, Cross Forest Migration Exchange 2010, Exchange 2007 and Exchange 2003 Cross Forest Migration. It is one solution having dual purpose, it export Exchange Mailboxes Cross Forest to PST files and also can import PST files to Exchange server. We suggest you firstly try the demo version of Exchange Server Cross Forest Migration tool to evaluate the working of Exchange Export/Import wizard. Demo version is fully functional for only one day to Export Exchange mailboxes to PST & Import PST files to Exchange Server, after it will be expired. If you are satisfied with our software then order full licensed version at reasonable cost at $199. If you are facing any problem during the installation of software you can contact our support team at any time. Please follow this link-: http://www.nsftopst.com/exchange-server-cross-forest-migration.html