i have two domain controller setup one on 192.168.1.10 companyname.local and 192.168.1.20 companyname.local as backup. i was task of rebuilding the backup and make it the main domain controller. i took the backup offline and rebuilt it should i change the name from companyname.local to ad.companyname.com. this is with server 2012 this is only hosting dns active directory no dhcp. small group 10 users.
also i was testing group policy add network drive. it works the user logins add drive b: but when the user log off and new user login with different drive f: it doest remove the other user drive b: show both drive. this test was done on the same computer with different user login.