Upgrading SYSVOL replication to DFSR
Server manager → Tools → Active directory Domains and Trusts
Click right button on Root (Active Directory Domains and Trusts [win2012 server name]) → Raise Domain Functional Level … → Windows Server 2012 R2
Type dfsrmig /getmigrationstate to confirm all domain controllers have reached prepared state
Type dfsrmig /getmigrationstate to confirm all domain controllers have reached redirected state
Type dfsrmig /getmigrationstate to confirm all domain controllers have reached eliminated state
Check net share status
Also make sure in each domain controller FRS service is stopped and disabled
Start → Administrative Tools → Services → File Replication Service → Double click
Written on January 12, 2017