Migrating the File Replication Service (FRS) to Distributed File System Replication (DFSR) for SYSVOL Replication

I have recently been working on a project to move a organisation from their no longer supported 2008R2 Domain controller to 2019. Originally I had difficulty in Promoting my 2019 Server to a DC . Originally I thought this was because the Domain & Forrest Functional levels were still on 2003 Raising them both to ...