- Backup and Clean Up:
- Begin by taking a backup of your Active Directory (AD).
- It is recommended that you delete the existing CN=Domain System Volume,CN=Dfsr-LocalSettings on all domain controllers (DCs).

- Stop DFSR Service on All DCs:
- Open the Services management console (msc) on each DC and stop the DFSR service.
- Create Registry Values and Keys on the Primary Domain Controller (PDC):
- On your PDC (assumed to be DC-01.labpso.local), navigate to the registry key:
- HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\DFSR\Parameters\SysVols\Promoting SysVols
- Create the following DWORD value:
- “Sysvol Information is Committed”=dword:00000001
- Create a new key under Promoting SysVols with the domain name (e.g., local):

- [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\DFSR\Parameters\SysVols\Promoting SysVols\labpso.local]
- Set the following values:
- “Is Primary”=dword:00000001
- “Command”=“DcPromo”
- “Parent Computer”=“”
- “Replicated Folder Name”=“labpso.local”
- “Replicated Folder Root”=“C:\Windows\SYSVOL\Domain”
- “Replicated Folder Root Set”=“C:\Windows\SYSVOL\sysvol\labpso.local”
- “Replicated Folder Stage”=“C:\Windows\SYSVOL\staging areas\labpso.local”
- “Replication Group Name”=“labpso.local”
- “Replication Group Type”=“Domain”
- Note: The “Is Primary” value should be 1 only on the PDC; it should be 0 on other DCs.

- Start DFSR Service:
- The CN=Domain System Volume will be recreated under CN=Dfsr-GlobalSettings,CN=System,DC=.
- All created registry keys and values will be deleted.
- You’ll see DFSR Event 4602 on the PDC.

- Create Registry Values and Keys on Other DCs:
- On every other writable DC (not Read-Only DCs), create the following registry key:
- [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\DFSR\Parameters\SysVols\Promoting SysVols]
- “Sysvol Information is Committed”=dword:00000001
- For each DC, create a key under Promoting SysVols with the domain name (e.g., spiceworks.com).
- Set the following values (similar to the PDC):
- “Is Primary”=dword:00000000
- “Command”=“DcPromo”
- “Parent Computer”=“DC-01.labpso.local”
- “Replicated Folder Name”=“labpso.local”
- “Replicated Folder Root”=“C:\Windows\SYSVOL\Domain”
- “Replicated Folder Root Set”=“C:\Windows\SYSVOL\sysvol\labpso.local”
- “Replicated Folder Stage”=“C:\Windows\SYSVOL\staging areas\labpso.local”
- “Replication Group Name”=“labpso.local”
- “Replication Group Type”=“Domain”
- Start DFSR Service on Other DCs:
- The CN=Domain System Volume will be recreated.
- DFSR Events 4614, 6805, and 4804 will be written when the server successfully replicates SYSVOL.
- Replication may take a few minutes to start.
- Assess the Need for Forcing Authoritative/Non-Authoritative Reinitialization:


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