https://itsimple.info/?p=1059

How to migrate FRS to DFSR Replication Method 

 

When join windows 2016/2019 to domain 2008/2003 you can get error like :

 

The specified domain %1 is still using the File Replication Service (FRS) to replicate the SYSVOL share. FRS is deprecated.

The server being promoted does not support FRS and cannot be promoted as a replica into the specified domain.

You MUST migrate the specified domain to use DFS Replication using the DFSRMIG command before continuing.

For more information, see https://go.microsoft.com/fwlink/?linkid=849270.

 

To do that first make sure all Domain Controllers are replicated :

Repadmin /syncall /force /APed

The start migration , Migrate to Prepared State :

Dfsrmig /setglobalstate 1

Make sure the process has finished :

Dfsrmig /getmigrationstate

You should get :

Only then continue with :

Dfsrmig /setglobalstate 2

You should get

Only then continue with :

Dfsrmig /setglobalstate 3

You should get

 

Then stop the NTFRS File Replication service :