The following article will help you to replace single domain controller in domain with a single domain controller move fsmo rules to the new domain controller how to view and transfer fsmo roles in the graphical user interface 8 demote the original domain controller from using as global catalog and reboot the server. A bdc could authenticate the users in a domain, but all updates to the domain (new users, changed passwords, group membership, etc) could only be made via the pdc, which would then propagate these changes to all bdcs in the domain. # re: how to recover domain when the primary domain controller failes and there are member domain controllers many thanks for so useful information for it admins this post saves me a lot of work and promote my bdc to pdc in a few steps.
Anybody know how to replace an active directory win2k server i created a new domain, first server, first tree in the forest now i simply want to replace the hardware with a new unit. Want to move the time service to the new pdce this is something that is required if you have just moved the pdce to a new domain controller first you need to reset the old pdce time service, so that it is part of the domain heirarchy (or you just want to reset a client back to default. I would promote the bdc to be the new pdc then, if possible, i would make sure the new pdc is running sp6a, plus all critical updates then build a new member server running nt4 sp6a or windows 2000 sp3 (again with all critical updates on both.
There is a pdc, bdc and an exchange 55 server at each domain one exchange 55 organization spans both domains and includes two exchange 55 sites we will upgrade domain –root by upgrading an nt 40 pdc to windows 2003 and running dcpromo on it. Pdc – pdc emulator is domain-specific and one for each domain there are scenarios where an administrator would want to move one or more of the fsmo roles from the default holder dc to a. In the example shown below, i am adding a new domain controller to an existing domain in most cases, i use the administrator account however, in the example below, i am using an account that has the following three roles. Migrating active directory off your existing windows 2008 r2 server and onto a new windows 2012 r2 server will serve a small step for your it department and a giant leap for your organization promoting the windows server 2012 server domain controller repeat steps 4 to 6 for the pdc and infrastructure tabs once completed,. Archived from groups: microsoftpublicwindowsntdomain ( for it to be a new domain then yes you must re-install to duplicate your current domain you can promote the bdc to pdc but then both.
After it completes the required tasks and the server restarts, the new windows server 2012 domain controller setup is completed lastly, o n each server/workstation within the target domain require a nic properties configuration update to point to the new domain controller. An active directory domain with a unique primary domain controller (pdc) is something that you should not rely on 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. If you want to move the domain controller to another virtual network, you need to create a new virtual network and add the virtual machine to the virtual network re-configure the active directory regards. Anger management writes and there's no 2000 pdc emulator right it's a pure nt4 domain that's the first thing to check unless all of your dc's are nt4, then there is no such thing as a pdc and bdc.
Transferring fsmo roles the transfer of an fsmo role is the suggested form of moving a fsmo role between domain controllers and can be initiated by the administrator or by demoting a domain. The backup domain controller or bdc plays a key role in servicing network authentication requests the bdc is biased to answer logon requests in preference to the pdc the bdc is biased to answer logon requests in preference to the pdc. Moving primary domain controller to new server ask question that doesn't change the fact that people still say pdc and bdc like they're real things a dc holding the pdc emulator role is entirely different than what an nt4 pdc was i'd still suggest moving the fsmo + gc roles manually and verify they've been completed rather than.
Now we successfully move all 5 fsmo roles over to new windows server 2012 r2 step-by-step guide to migrate fsmo roles from windows 2003 server to windows 2012 r2 server  heather january 13, a primary domain controller could not be located the server holding the pdc role is down. One of any system administrator duties, would be to upgrade a current domain controller to a new hardware server one of the crucial steps required to successf ully migrate your domain controller, is to be able to successfully transfer the fsmo roles to the new hardware server. The concept of a primary(pdc) and backup(bdc) was retired with nt 40 now, there is a flexible single master operations (fsmo) role that is called the pdc emulator that is assigned to one dc in each domain in the forest. How to transfer fsmo roles in windows server 2008 r2 there are a number of reasons why an administrator would want to change the placement of flexible single master operations (fsmo) roles arguably, the most common reason is due to an upgrade or replacement of domain controller hardware.
Try posting in microsoftpublicwindowsntdomain for a fuller answer, but you can use server manager to promote your bdc. Here are quick steps how to transfer fsmo roles from one domain controller to another, in this case i am moving the roles from one windows server 2012 r2 domain controller to another 2012 r2 i have had to do this a few times, most recently when a dc became unstable and had all the roles assigned to it. If bdc, click the button next to backup domain controller (bdc), enter the name of the pdc that exists in the new domain, and furnish that pdc's administrator account user name and password click ok, or click cancel to abandon the procedure and leave the domain name unchanged. Hello, i'm looking for a bit of advice i have 14 domain controllers over 14 sites (1 dc in each site) i have now purchased a 15 th dc to replace the pdc in the first site so i now need to transfer the fsmo roles over from the old dc to the new dc the new 15 th server has been promoted to a domain controller and it’s in the same site at the current fsmo server.