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- Configuring an Authoritative Time Server with Group Policy Using WMI . . .
By configuring the policy in this fashion, I can transfer the PDC role to any domain controller and the policy will follow the role Also, if the PDC fails and I bring up a new domain controller and seize the PDC emulator role to the new domain controller, the policy will apply on the next policy refresh or by forcing a group policy refresh
- Primary domain controller (PDC) emulator cannot be contacted
Then I'd stand up the new guest, patch it fully, license it, join existing domain, add active directory domain services, promote it also making it a GC (recommended), transfer FSMO roles over (optional), transfer pdc emulator role (optional), use dcdiag repadmin tools to verify health, when all is good you can decommission demote old one
- Primary domain controller (PDC) emulator cannot be contacted.
Primary domain controller (PDC) emulator cannot be contacted While I tried to change PDC to a new PC , during the migration the process fails and the old server active directory is not working Active Directory
- What is a PDC emulator? - Answers
In an Active Directory Domain, there is a special Domain Controller which holds the FSMO Role "PDC Emulator" As its name suggests, it is there to ease migration from NT 4 domains to Active
- I moved my PDCE role and accounts started locking out!
Because of the LM Compatibility mismatch, we couldn’t talk to the PDC, and thus we ended up locking the account out Solving the problem – the right way So, Fred’s first inclination upon hearing from support about this might have been to reduce the security setting on the PDC emulator to make everything magically start working
- DFSR SYSVOL Migration FAQ: Useful trivia that may save your follicles . . .
1 The PDC Emulator must be online any time the DFSRMIG tool is being invoked for a read or write operation If the PDC Emulator is offline or inaccessible for LDAP, the user of DFSRMIG will receive: “Unable to connect to the Primary DC’s AD Please make sure that the PDC is reachable and try the command later ” 2
- Streamlined Migration of FRS to DFSR SYSVOL
On the PDC Emulator domain controller, run (as an elevated domain admin): Dfsrmig setglobalstate 1 Now you wait for this AD value on the PDCE to converge on all domain controllers, then for DFSR to switch to Prepared state on each domain controller and update AD, and finally for that value to replicate back to the PDCE
- Setting Time on Domain | Microsoft Community Hub
All machines that are domain members should automatically sync their time with the domain controller that they authenticated against last Those DCs will sync from the DC with the PDC Emulator role on it That machine should be pulling time from an external source (make sure firewall is open) I believe it defaults to time windows com
- Trouble understanding NTP configuration | Microsoft Community Hub
Well this helped put a couple pieces together but the problem that our PDC emulator was never on the root server that the other DCs were pointed at and then was moved I found some registry edits on the root machine that the other DCs were getting time from and changed the old root to look like the other older ones and changed the new one to be
- Configuring your PDCE with Alternate Time Sources
Primary Domain Controller Emulator settings Providing the PDCE has been properly configured with an NTP source according to the articles ( 2003 )( 2000 )( XP ) there will be a setting as shown: Note: Any NTP Server can be configured, pictured is the default Here is a list of NTP servers
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