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Windows Server Replication Errors

alex sheppard 1 Reputation point
2022-03-02T09:06:53.663+00:00

Hi there.

We have 12 domain controllers that each replicate to each other. These servers are connected via Site to Site VPNs as they are located in different locations across the UK. Recently we've noticed that there are some warnings and errors showing up in Event Viewer > Custom Views > Server Roles > Active Directory Domain Services. The warning event is:

179197-image.png

That event is on one of our "site kits", which replicate with our main DC "SRVDC7550".

I have done repadmin /showrepl and repadmin /replsummary and everything that should be replicating IS replicating. I have looked into this issue and I have just ran out of ideas on what this warning could be caused by.

Windows for business | Windows Client for IT Pros | Directory services | Active Directory
Windows for business | Windows Server | User experience | Other
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  1. alex sheppard 1 Reputation point
    2022-03-02T09:08:26.44+00:00
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  2. Thameur-BOURBITA 36,491 Reputation points Moderator
    2022-03-02T09:50:34.69+00:00

    Hi,

    It's a warning. it appears when there are some network disruption .It can be neglected if it's not appeared frequently.

    Repadmin /replsum shows the name of DCs unable to replicate with their partners. It seems a network flow issue. You have to fix it.

    SRVDC8435 08d.00h:23m:06s 5 / 5 100 (1722) The RPC server is unavailable.

    SRVDC7550 08d.00h:23m:07s 5 / 65 7 (1722) The RPC server is unavailable.
    ** 58 - SRVDC8435.spencereng.cspencerltd.co.uk**

    Please don't forget to mark helpful reply as answer

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