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FRS to DFSR SYSVOL MIGRATION STEP BY STEP PROCEDURE

FRS to DFSR SYSVOL MIGRATION STEP BY STEP PROCEDURE

 

In order to proceed with the migration forest function level must set to windows server 2008 or later. So if your organization not done this yet first step is to get the forest and domain function level updated.

You can verify if the system uses the FRS using dfsrmig /getglobalstate , To do this

1)    Log in to domain controller as Domain admin or Enterprise Admin
2)    Launch powershell console and type dfsrmig /getglobalstate.

Output explains it’s not initiated DFRS migration yet.

Before move in to the configurations we need to look into stages of the migration.

There are four stable states going along with the four migration phases.

1)    State 0 – Start
2)    State 1 – Prepared
3)    State 2 – Redirected
4)    State 3 – Eliminated

State 0 – Start

With initiating this state, FRS will replicate SYSVOL folder among the domain controllers. It is important to have up to date copy of SYSVOL before begins the migration process to avoid any conflicts.

State 1 – Prepared

In this state while FRS continues replicating SYSVOL folder, DFSR will replicate a copy of SYSVOL folder. It will be located in %SystemRoot%\SYSVOL_DFRS by default. But this SYSVOL will not response for any other domain controller service requests.

State 2 – Redirected

In this state the DFSR copy of SYSVOL starts to response for SYSVOL service requests. FRS will continue the replication of its own SYSVOL copy but will not involve with production SYSVOL replication.

State 3 – Eliminated

In this state, DFS Replication will continue its replication and servicing SYSVOL requests. Windows will delete original SYSVOL folder users by FRS replication and stop the FRS replication.

In order to migrate from FRS to DFSR its must to go from State 1 to State 3.

Let’s look in to the migration steps.

Prepared State

  1. Log in to domain controller as Domain admin or Enterprise Admin
    2.    Launch powershell console
    3.    Type dfsrmig /setglobalstate 1and press enter

4.  Type dfsrmig /getmigrationstateto confirm all domain controllers have reached prepared state

 

Redirected State

  1. Log in to domain controller as Domain admin or Enterprise Admin
    2.    Launch powershell console
    3.    Type dfsrmig /setglobalstate 2and press enter

4. Type dfsrmig /getmigrationstateto confirm all domain controllers have reached redirected state

Eliminated State

  1. Log in to domain controller as Domain admin or Enterprise Admin
    2.    Launch powershell console
    3.    Type dfsrmig /setglobalstate 3and press enter

4. Type dfsrmig /getmigrationstateto confirm all domain controllers have reached eliminated state

This completes the migration process and to confirm the SYSVOL share, type net share command and enter.

Also make sure in each domain controller FRS service is stopped and disabled.

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