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here is the outline that was done about 4 years ago.

1) we had a Windows 2003 server pdc running in the organization 2) i added sbs 2003 to the network about 3 years ago, at the time i transferrd the fsmo roles from the Win2k3 box to the sbs2003 box. BUT left the old Win2k3 box on the network still as a backup Domain Controller. Was that a mistake? i did not have to seize the fsmo roles but have been reading some articles lately and noticed that on some occasions you cannot re-transfer the fsmo roles back to a DC that was once the PDC? if i do systeminfo on the old Win2k3 box it says role "additional backup Dc".

my question is should i have taken the old Win2k3 machine offline by demoting it back when i did this and then rebuilding and rejoiing the Win2k3 to the domain using dcpromo in order to secure it's role as a backup DC? I thought that you would have to rebuild and resid the hardware only if you seized the fsmo roles from a failed offline DC, i thought transferring is fine and MS allows it under normal operation. My reasoning was that you could have (in a non sbs 2003 network) multiple DC's that could hold different fsmo roles and you can transfer them at will?

thanks.gd

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You're doing right to have a secondary domain controller on your network. Disaster recovery is much easier when you have a working copy of AD. (Obviously, if both servers are destroyed then it doesn't help a bit, but still...) –  Evan Anderson Dec 7 '09 at 2:18
    
evan thanks for the comment, i just wanted to make sure that the backup DC is still good to go as it was left back then. I am going to be adding another DC this week to it and phasing out the backup DC sicne it is an 8 yr old dell celeron 1u server.gd –  user8256 Dec 7 '09 at 3:46

1 Answer 1

up vote 1 down vote accepted

Transferring the roles as you did is the correct way to do it.

We do fsmo transfers quarterly as part of our drp testing and have never had a server refuse to resume any o0f it's previous roles due to them being transferred on an earlier occasion.

Basically, no need to worry.

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