What is the permanent fix for this Event 4000 error in DNS?

Noctis0791 121 Reputation points

Hi Everyone,

We found this fix for Event 4000 that we from time to time are seeing from the main DC on this client site. They currently have 2 DC (DC01 and DC02). Most of the time we will just reboot the server when this ADUC error started showing up and DNS error events 4000 and 4015 shows up in the logs. However, we cant be doing this forever. Is there a permanent fix for this? Or do we have to build a new one and replace this problematic DC in this case? Please advise.

Thank You!


Windows Server
Windows Server
A family of Microsoft server operating systems that support enterprise-level management, data storage, applications, and communications.
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Active Directory
Active Directory
A set of directory-based technologies included in Windows Server.
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Windows DHCP
Windows DHCP
Windows: A family of Microsoft operating systems that run across personal computers, tablets, laptops, phones, internet of things devices, self-contained mixed reality headsets, large collaboration screens, and other devices.DHCP: Dynamic Host Configuration Protocol (DHCP). A communications protocol that lets network administrators manage centrally and automate the assignment of Internet Protocol (IP) addresses in an organization's network.
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  1. Thameur-BOURBITA 16,591 Reputation points


    Can you share with us the result of the following command :

    repadmin /showrepl
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  2. Thameur-BOURBITA 16,591 Reputation points

    Did you try reset the secure channel as mentioned in this link :


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  3. Hannah Xiong 6,186 Reputation points


    Thank you so much for posting here.

    Agree with Thameur, we could try the resolution in the fix for event 4000 to see whether the issue could be resolved. For any question or update, please feel free to contact us.

    Looking forward to your feedback. Thanks again.

    Best regards,
    Hannah Xiong


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