Migration to new Forest
following split our parent company need migrate away ad forest / domain . sit down , plan migration in full in next few weeks following clear in mind. present structure is: (f) parentcompany ¦ (d) parent.local – placeholder domain, no resources in it. ¦ (d) mycompany.parent.local (domain share sister company stay behind when move new forest) above 2003 native. understand process of building new 2008 r2 forest , how use admt migrate resources , objects anyones experience / opinions on following: assuming there trust between mycompany.parent.local , new mycompany domain facilitate migration - can use trust stage migration on longer period of time? concern have large number of laptop users, once start te migration have done in 1 go? or because have trust in place obects sill in old mycompany.parent.local domain access objects , resources have been migrated across aleady? there authentication issues? how sql servers @ being migrated? cause problems...