SBS2011 to Windows 2019: Transfer FSMO Roles Simplified Order:


From the old server:


  1. Open CMD and run syntax: regsvr32 schmmgmt.dll to register a schmmgmt.dll by using the Regsvr32 utility
  2. Open MMC, add Active Directory Schema
  3. Right click “Active Directory Schema and select Change Active Directory domain controller
  4. Choose new DC (server name) from the list
  5. You might get a message: Active directory schema snap-in is not connected to the schema operations master. You will not be able to perform any changes. Schema modifications can only be made on the schema FSMO holder.
  6. Right-click Active Directory Schema> Operational Master
  7. Click Change. When prompted, “Are you sure?” select ‘Yes’


On New Server:


  1. Go to AD Users & Computers, right-click domain, and select operations master
  2. Click Change, and when prompted Are you sure? Yes!
  3. Under PDC Tab:
  4. Click Change, and when prompted Are you sure? Yes!
  5. Go to ADSI (Active Directory Services Interface)
  6. Right-click Select Connect to…, Leave the defaults and click OK
  7. Go to old server:
  8. AD Domain & Trusts>Right-click>Operations Master> Change
  9. When prompted, “Are you sure?”, click Yes>OK
  10. Check that FSMO Roles are moved to New DC:
  11. In new server open command prompt type “netdom query fsmo.”


Decommission the OLD Server:


  1. Click Start, click Run, and then type dcpromo
  2. Click Next on the welcome screen
  3. Click OK to dismiss the global catalog server warning
  4. Click Next on the delete the domain screen. Do not select the delete the domain because this server is the last domain controller in the domain checkbox
  5. On the Remove DNS Delegation page, verify that the Delete the DNS delegations pointing to this server checkbox is selected and then click Next
  6. When prompted, enter a password of the local administrator account and click Next
  7. Click Next on the review screen to begin the demotion
  8. Click the Reboot on completion checkbox.
  9. After the machine has finished rebooting, remove it from the domain by following these steps:
  10. Log on to the SBS Server 2011 as an administrator
  11. Click on Start, right-click on Computer, then click on Properties
  12. Click on Change settings
  13. Select the Computer Name tab and click Change…
  14. Select Workgroup under Member of and enter a unique value for the workgroup name
  15. Click OK and reboot when prompted
  16. Important Note: While running DCPROMO on the Old server, you may get an error that no other domain controllers could be detected, and the entire domain would be deleted. In such a case, modify the following registry key:


Open Registry Editor and Navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Netlogon\Parameters\

Select Key Name: SysvolReady

Change Value from 0 to 1

After this, run DC Promo on the old server. It should detect the new PDC. If so, demote the old server.



Kon Belieu

Partner   |  513-575-3500

4440 Lake Forest Dr., Suite 102B, Cincinnati, OH  45242



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