As a Jack-of-most-trades at my place of full time employment, I had a project come across my desk recently that had me learning Microsoft Windows Powershell at break-neck speeds.  We had a Microsoft Exchange 2003 to Exchange 2007 migration task, that was a bit muddier than normal. Our group was tasked with doing a managed cross-forrest migration that needed to also synchronize our LDAP server.  We needed to provision, migrate, synchronize two active directory domains, and our Enterprise LDAP system.  To do this seemlessly, there really was only one option, you guessed it...