_msdcs folder creation

Posted on 2009-04-21
Last Modified: 2012-05-06
I have been trying to repair a Integrated DNS Server on our Windows 2008 domain.  The issue has been that the _msdcs folder was missing from foward lookup zones, it was list under our forward lookup zone but not as a zone.

What I did was recreate the zone and then manually input the 3 NS Servers pointed there interface at themselves and did the common thing that I have ssen about this which is.

ipcong /registerdns
net stop netlogon
net start netlogon

After a bit I slowly but surely saw is started to rebuild itself.  However now that it has I am only left with the following structure
And there subdirectories.  What am I missing that the domain and gc folder will not create automatically.  I have tried a dcdiag /fix, I have also tried pointing the 3 dc's interfaces back to there own IP addresses.

If anyone can help asap that would be great.
Question by:balwynhigh
    LVL 59

    Accepted Solution

    If you delete both zones that are created you can then recreate the zone which will then place all records needed into the zone. Make sure you put the real IP address in your TCP\ip properties for your DNS server not the loopback address. Also, make sure you don't have any external DNS servers listed in your TCP\IP properties.

    If you just delete those zones and recreate them you will have a easy time.
    LVL 18

    Expert Comment

    As Dariusg suggested, just delete them and restart netlogon services, it should  be recreated automatically.

    Author Comment

    When it recreates them does it create them under the Zone I create or does it do it like what happens when you install a new domain and create a zone called

    What is the differenece between these.
    LVL 70

    Expert Comment

    by:Chris Dent

    It will create them under the main ( zone by default. It only creates _msdcs when you creates the new domain.

    The _msdcs folder exists separately for two reasons:

    1. Allows you to control Aging of _msdcs separately from
    2. Allows you to set a different replication scope for _msdcs from the main zone

    For most simple forests (single domain forests) that's entirely unnecessary and it may as well be under


    Author Closing Comment

    You gave me the right area to look into, I create a VM site and recreated the DNS entries, by creating the first and then the domain zone second, reregistered the DNS entries and whola everything came up correctly.  No more 4010 erros constantly.

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