Windows Server DCDIAG returns

Hi,

In my Schema master today, somehow I go the following error message:

Starting test: NCSecDesc
   Error NT AUTHORITY\ENTERPRISE DOMAIN CONTROLLERS doesn't have Replicating Directory Changes In Filtered Set access rights for the naming context:
   DC=ForestDnsZones,DC=domain,DC=com
   Error NT AUTHORITY\ENTERPRISE DOMAIN CONTROLLERS doesn't have Replicating Directory Changes In Filtered Set access rights for the naming context:
   DC=DomainDnsZones,DC=domain,DC=com

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is that normal or what do I need to do to fix it ?

Note: Windows Server 2008 R2 SP1 and the DFL/FFL is still on Windows Server 2003
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Senior IT System EngineerSenior Systems EngineerAsked:
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Toni UranjekConsultant/TrainerCommented:
If you are not planning to have RODC in your domain, this error can be ignored. Otherwise run adprep /rodcprep.

Dcdiag fails for NCSecDesc test on Windows 2008 Domain Controllers
https://support.microsoft.com/en-us/kb/967482

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Senior IT System EngineerSenior Systems EngineerAuthor Commented:
Thanks Toni, no I do not plan for RODC.

So yes I'll ignore the issue then.

Regarding the command above, where should I run it ? Is it going to cause any outage or do I need to restart the DC server ?
Toni UranjekConsultant/TrainerCommented:
You can run adprep /rodcprep on any computer. You have to be a member of Enterprise admins group.
It shouldn't prompt you for restart.
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Senior IT System EngineerSenior Systems EngineerAuthor Commented:
Ok so in this case I assume that it will just extend or modify the AD attributes ?

No outage required.
Toni UranjekConsultant/TrainerCommented:
Yes.
Senior IT System EngineerSenior Systems EngineerAuthor Commented:
Thanks Toni
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