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ERROR 4151 with 2 DC's with different DNS entries in adsiedit.msc

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  • ERROR 4151 with 2 DC's with different DNS entries in adsiedit.msc

    Hi all,

    I have 2 DC's (DC1, DC2) servers with DNS on them, Replication enabled.

    DC1 was around for many years no errors..
    DC2 installed 3 months ago, and now has the following errors

    ID 4515
    "
    The zone DOMAIN.CO.IL was previously loaded from the directory partition MicrosoftDNS but another copy of the zone has been found in directory partition DomainDnsZones.DOMAIN.CO.IL. The DNS Server will ignore this new copy of the zone. Please resolve this conflict as soon as possible.
    "
    and
    ID 4015
    "
    The DNS server has encountered a critical error from the Active Directory. Check that the Active Directory is functioning properly. The extended error debug information (which may be empty) is "". The event data contains the error.
    "

    DC1 has 3 entries in adsiedit.msc: Domain, Configuration, Schema
    where Domain is named: DC=DOMAIN,DC=CO,DC=IL

    DC2 has 5 entries in adsiedit.msc: 3 Domain entries, Configuration, Schema
    where Domain is named:1: DC=DOMAIN,DC=CO,DC=IL (like DC1)
    2: DC=ForestDNSZones, DC=DOMAIN, DC=CO, DC=IL
    3: DC=DomainDNSZones,DC=DOMAIN,DC=CO,DC=IL

    Should the 2 other entries be removed?

    and any help will be grately appreciated!
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