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1. ANY RISKS MOVING PDC TO THE SECONDARY DOMAIN CONTROLLER PASSWORD
2. ANY RISKS MOVING PDC TO THE SECONDARY DOMAIN CONTROLLER OFFLINE
3. ANY RISKS MOVING PDC TO THE SECONDARY DOMAIN CONTROLLER WINDOWS

ANY RISKS MOVING PDC TO THE SECONDARY DOMAIN CONTROLLER WINDOWS

Windows Server will check if it’s all ok. Select the Primary Domain Controller from the dropdown menu then click Next:

ANY RISKS MOVING PDC TO THE SECONDARY DOMAIN CONTROLLER PASSWORD

Specify a Directory Services Restore Mode password then click Next: Specify the credentials of the domain administrator: Click Promote this server to a domain controller:Ĭheck Add a domain controller to an existing domain then click Select: It’s time to configure the new Backup Domain Controller. Now that Active Directory Domain Services are installed, open the network preferences and add the Primary Domain Controller as the primary DNS server (in our example 192.168.2.103 while the BDC IP is 192.168.2.104). The configuration is quite simple on Windows Server 2012 // R2, a much appreciated gift from Redmond.įirst of all, add the Active Directory Domain Services role to our brand new server (that must be in the same local network – or VPN – of the Primary Domain Controller but outside the domain): One on a 2003 domain and another on a 2008 domain. Well in the last month I’ve had two such occurrences. A hardware failure can make your day a really bad one and, for this reason, Microsoft give us the possibility to add a (or more) Backup Domain Controller (BDC) to our domain. Eventually that day comes when a domain controller dies an sudden or ignominious death and a secondary controller needs to take it’s place. Please don't forget to mark the correct answer, to help others who have the same issue.An Active Directory Domain with a unique Primary Domain Controller (PDC) is something that you should not rely on.

ANY RISKS MOVING PDC TO THE SECONDARY DOMAIN CONTROLLER OFFLINE

Offline DC is dead and in this case you have a metadata cleanup and rebuild the offline DC and avoid restore the offline DC from old backup before FSMO seizing.Ĭoncerning your problem the solution is, to remove the restored domain controller AD01 from AD02 through metadata cleanup procedure, then you rebuild AD01 and promote it as new domain controller. When you launch seizing operation of FSMO roles ,the offline DCs will consider that

When you say that during AD01 is offline the FSMO rols has been moved to AD02, that's means someone has perform seizing operation to move FSMO role from offline DC to AD02. now AD01 turned off back due to credential issue. When I turn ON AD01 to online and tried to replciared data fromĪD02 to AD01 and its not working. The problem now is AD02 set to FSMO during AD01 are offline. it's normal behavior when you perform seizing operation to move FSMO roles from offline DC to anotherĭC, and later you try to restore offline DC from old backup. If you don't have the same result when you run the command netdom query fsmo on both DCs that means after DC restoration, the two DCs can't replicate. now AD01 turned off back due to credential issue.ĭo you have any idea to resolve this.I have plan toĪfter all done, switch back FSMO to AD01. When I turn ON AD01 to online and tried to replciared data from AD02 to AD01 and its not working. Eventually, we will move to 2008 but not for a couple of months. The Current Secondary DC will remain Secondary while this 'newer' 2003 will become Primary. The problem now is AD02 set to FSMO during AD01 are offline. well, first, we are moving PDC from Windows Server 2000 to Server 2003R2. One day my AD01 crashed and I have restored the AD01 but backup date was one month earlier than current. I have two AD which are AD01(Win2k12 FSMO) and AD02(WIN2k8 R2 SP1).