Active directory migration
hi,
recently tried migrate active directory domain controller running windows server 2003. there 2 other domain controllers added running windows server 2012 r2. when ran dcpromo on windows server 2003 dc there lot of errors, decided run dcpromo /forceremoval. reasons still not know no 1 accesss domain other domain controllers remaining. luckly had copy of sysvol, ntds.dit database , systems state backup remaining servers. performed unauthoritative restore on 1 of domain controllers. time log onto domain. but, since then, cannot raise domain functional level if 2003 server still online. can solve this?
you need clear out metadata within ad , schema might have references failed domain controller.
https://support.microsoft.com/en-gb/kb/555846
Windows Server > Migration
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