Force SYSVOL replication using dfsrdiag
Hello,

I have DC1 (2008R2) in SiteA and DC2 (2008) in SiteB. SYSVOL is replicated using DFSR.

DC2 on SiteB is missing several Group Policy folders under SYSVOL when compared to DC1.

Propagation test completes in few minutes from DC2 => DC1 but not in opposite direction. Test file stays "Arrival pending" state indefinetely. There's no indication of recent dirty shutdown on DC2 event viewer logs.

Before attempting non-authoritative SYSVOL restore on DC2, I would like to try to force SYSVOL replication by running this command on DC2:

dfsrdiag syncnow /RGName:"Domain System Volume" /Partner:DC1 /Time:5

My worry is that if I'm running this command on DC, which lacks few GPO folders compared to DC1 are those deleted from partner DC as well? Thank you already!
April 2nd, 2015 9:02am

In case you are not sure what would happen, you could simply take a system state backup of DC1. If you notice something missing then you can restore SYSVOL on DC1 and mark it as authoritative.
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April 2nd, 2015 10:25pm

Hi,

Can you hop into Event Viewer and look for Warnings or Errors in the DFS Replication log? Check this log on both domain controllers.

Meanwhile, as MVP mentioned, you could take a system state backup of DC1. Or you could do the test in lab.

Regards.

April 5th, 2015 11:36pm

Hi,

Any update about the issue?

Regards.

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April 8th, 2015 11:03pm

Hi,

Can you hop into Event Viewer and look for Warnings or Errors in the DFS Replication log? Check this log on both domain controllers.

Meanwhile, as MVP mentioned, you could take a system state backup of DC1. Or you could do the test in lab.

Regards.

April 24th, 2015 8:47am

Hi,

Any update about the issue?

If setting the authoritative flag on one DC, you must non-authoritatively synchronize all other DCs in the domain. Otherwise you will see conflicts on DCs, originating from any DCs where you did not set auth/non-auth and restarted the DFSR service.

How to force an authoritative and non-authoritative synchronization for DFSR-replicated SYSVOL (like "D4/D2" for FRS)

https://support.microsoft.com/en-us/kb/2218556

Regards.

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May 5th, 2015 2:32am

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