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Create a backup login server

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5 replies

by joefeghaly

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i want to format my primary domain controller (windows 2000 server)but meanwhile i want to assure the availability of the domain controller so i have setup an additional active directory server and i have also designed this server as global catalog.

the problem is when i shut down the primary domain controller ,users can no more login.

5 replies

by dbowlin

Check your DNS set up. Are you using AD integrated zones? Is your new server showing up in DNS?

Check your AD site and replication setup. Has AD replication occurred between servers yet?

Don't forget to move ALL Operations Master Roles to your new server before taking down the old one.

When you shut down your primary server, you say users can't log in. Have you checked basic connectivity? Can you ping the new server from the clients machines? Can the new server ping the client machines. Check your TCP/IP set up, subnets, subnet masks, routing etc.

Good luck,

by curacao_dejavu

Did you run dcpromo on the second server and did it join the domain when you were installing the server ?

Leopold

by arne.tredal

You should transfer Single Master Operations roles from the old to the new server before you format.
The operational attributes that represent the FSMO roles are:
- becomeRidMaster
- becomeSchemaMaster
- becomeDomainMaster
- becomePDC
- becomeInfrastructureMaster

by arne.tredal

You could also demote the original DC using DCPromo.
When a domain controller is demoted, the operational attribute "GiveAwayAllFsmoRoles" is written, which triggers the domain controller to locate other domain controllers to offload any roles it currently owns.

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