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AnwarManha-5216 avatar image
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AnwarManha-5216 asked ·

DFS Replication service failed to initialize Event id 6410

Hi All
My event log is flooded with the event id 641070352-dfs-replication-error.jpg please see the attached image


My environment
domain 1
Site 2 (one for HO & second one on cloud)
DC 2 (windows server 2012 R2)

i see the replication is working fine on both site, users and groups are updated immediately , but i see some issue with group policies sometime it does not work
appreciate if anyone can assist

windows-active-directory
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Hello @AnwarManha-5216,
How are things going on your end? Please keep me posted on this issue.
If you have any further questions or concerns about this question, please let us know.
I appreciate your time and efforts.

Best Regards,
Daisy Zhou

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DSPatrick avatar image
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DSPatrick answered ·

Simplest solution may be to demote, reboot, promo the problematic one.

--please don't forget to Accept as answer if the reply is helpful--





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DaisyZhou-MSFT avatar image
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DaisyZhou-MSFT answered ·

Hello @AnwarManha-5216,

Thank you for posting here.

Do you have deployed DFSN and DFSR in your AD environment or on this DC or on one DFSR server? If so, we can open DFS management, and check if there is replication group related to C:\Windows\SYSVOL.

70535-122.png


Hope the information above is helpful.

Should you have any question or concern, please feel free to let us know.




Best Regards,
Daisy Zhou



122.png (22.0 KiB)
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AnwarManha-5216 avatar image
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AnwarManha-5216 answered ·

Hi @DaisyZhou-MSFT
I am not sure about this my DFS in DC looks like below71050-dfs-dc1.jpg



dfs-dc1.jpg (63.0 KiB)
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DaisyZhou-MSFT avatar image
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DaisyZhou-MSFT answered ·

Hello @AnwarManha-5216,

Thank you for your update.

I add the DFSN and DFSR roles on my DC. And I can see below screenshot when I open DFS manegement.

I have only one DC, so we can see one member.

71514-sy1.png

Here is the screenshot you provided, mine is different as yours.
71462-sy2.png

May I know if the SYSVOL folder provided in the screenshot is created by you manually?

It is not the actual "SYSVOL" folder when we promoted the DC successfully(I mean we we promote a member server as a DC, there will be a SYSVOL folder generated under C:\Windows\SYSVOL, it looks like below).
71541-sy3.png

If so, as the error mentioned "Overlapping folders are unsupported." we should re-configure the replicated folder so that none of its working folders overlap with system folders.

Should you have any question or concern ,please feel free to let us know.

Reference
DFS-R: Replicated Folder and System Folder Overlap State Monitor
http://mpwiki.viacode.com/?g=posts&t=123825





Please note: Information posted in the given link is hosted by a third party. Microsoft does not guarantee the accuracy and effectiveness of information.



Best Regards,
Daisy Zhou



sy1.png (148.6 KiB)
sy2.png (76.2 KiB)
sy3.png (14.4 KiB)
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AnwarManha-5216 avatar image
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AnwarManha-5216 answered ·

Hello @DaisyZhou-MSFT

Thank you for your reply , appreciate your time

i think i created a folder manually sometime back by referring some documents

My SYSVOL folder looks like belo72907-sysvol.jpg72908-sysvol-domain.jpg72816-sysvol-sysvol.jpgw



sysvol.jpg (26.0 KiB)
sysvol-domain.jpg (24.2 KiB)
sysvol-sysvol.jpg (24.3 KiB)
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DaisyZhou-MSFT avatar image
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DaisyZhou-MSFT answered ·

Hello @AnwarManha-5216,

Thank you for your update.

I am sorry for the late reply.

So the first screenshot is created by you manually?
And both the second one and third one are screenshots on both DCs (windows server 2012 R2), right?

If so, your SYSVOL replication on both DCs are FRS replication.

But the SYSVOL you created mamually (as the first screenshot) is DFSR replication.

So they can not replicate.

Do you want the SYSVOL replication on both DCs changed from FRS to DFSR? If so, we should migrate SYSVOL from FRS to DFSR instead of creating DFSR SYSVOL manually.

For more information about Migration SYSVOL from FRS to DFSR, we can refer to the following links.

Streamlined Migration of FRS to DFSR SYSVOL
https://techcommunity.microsoft.com/t5/storage-at-microsoft/streamlined-migration-of-frs-to-dfsr-sysvol/ba-p/425405

Migrate SYSVOL replication to DFS Replication
https://docs.microsoft.com/en-us/windows-server/storage/dfs-replication/migrate-sysvol-to-dfsr


If anything I misunderstood, please feel free to let us know.



Best Regards,
Daisy Zhou

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AnwarManha-5216 avatar image
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AnwarManha-5216 answered ·

Hello @DaisyZhou-MSFT
Thank you, i will follow the steps and update you soon

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Hello @AnwarManha-5216,

Thank you for your update.

Should you have any question or concern ,please feel free to let us know.


Best Regards,
Daisy Zhou

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