DFS Replication service failed to initialize Event id 6410

AnwarManha-5216 1 Reputation point
2021-02-21T07:16:06.807+00:00

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

Active Directory
Active Directory
A set of directory-based technologies included in Windows Server.
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  1. Dave Patrick 426K Reputation points MVP
    2021-02-21T13:58:38.587+00:00

    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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  2. Daisy Zhou 18,701 Reputation points Microsoft Vendor
    2021-02-22T08:44:58.75+00:00

    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

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  3. AnwarManha-5216 1 Reputation point
    2021-02-23T09:55:21.297+00:00

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

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  4. Daisy Zhou 18,701 Reputation points Microsoft Vendor
    2021-02-24T08:50:33.887+00:00

    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

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  5. AnwarManha-5216 1 Reputation point
    2021-03-01T07:40:21.58+00:00

    Hello @Daisy Zhou

    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

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