Migrating Users,Computers,Group Policy from Root Domain to Child

hello,

we going migrate users, computers ,group policy, ous, root domain new child domain controller.

1. how migrate users, root child: admt works password remain same or no password change each user, , changing upn frst user@root.local , migrating user@child.root.local user still logon same user name no changes.

2.by migrating computers admt effect domain joined computers root.local these computer migrated child.root.local domain.what response of these computers.

3.how migrate group policy root child.

4.can migrate complete ou user or no user done manually through admt or best recommendation migrating users?.

thanks......

you can use pes (https://technet.microsoft.com/en-us/library/cc974435%28v=ws.10%29.aspx?f=255&mspperror=-2147217396) password migration. login, 1 put on destination account need choose upn suffix works fine you. have done migrations on computers using admt including profile migration , had no issues around 2000 computers. however, advised train in test environment before proceeding.

for gpos, can export them create new ones , import settings have exported.

no ou migration done admt. however, can use powershell copy ou structure. script here if tweak it: https://gallery.technet.microsoft.com/scriptcenter/copy-active-directory-6cba32b3

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Windows Server  >  Directory Services