To migrate mailboxes from GroupWise to Exchange server, I would like to refer Kernel for Novell GroupWise to Exchange server tool. The tool is an efficient solution to migrate GroupWise data items into Exchange in quick time.
Kernel for Novell GroupWise to Exchange migration tool is easy-to-use and secure third party utility. The tool will support each and every versions of GroupWise and MS Exchange. To know more about software visit http://www.groupwise-to-exchange.com