1 vote

Cannot remove alternate computername after in-place upgrade from 2008 R2 to 2012 R2

This is stored in the msDS-AdditionalDnsHostName multivalued attribute on the old host. You will need to remove the value using Active Directory Users and Computers. You may need to select Advanced ...
Greg Askew's user avatar
  • 36.3k
1 vote

2012 R2 Domain Controller migrate to 2022 STD

Some time ago i also answered a question which was similar to this. I would add the 2022 domain controller as a secondary domain controller to the domain, if that's possible with your forest and ...
Turdie's user avatar
  • 1,443
1 vote

2012 R2 Domain Controller migrate to 2022 STD

Install the 2022 server alongside and promote it to DC, then demote and decommission the rest. Remember to clean up the AD and to raise the functionality level.
Kadath's user avatar
  • 111
1 vote

Promoting a domain controller fails prerequisites

Try a replication using the command line and see what happens repadmin /syncall /AdeP
Turdie's user avatar
  • 1,443

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