How to fix NCSECDESC  Failures in Active Directory. If you get the following when running DCDiag on a Windows AD Server do the following to correct.

 

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=MYDOMAIN,DC=local
Error NT AUTHORITY\ENTERPRISE DOMAIN CONTROLLERS doesn’t have
Replicating Directory Changes In Filtered Set
access rights for the naming context:
DC=DomainDnsZones,DC=MYDOMAIN,DC=local         …………………….
MYHOST failed test NCSecDesc

 

Download fixfsmo.vbs and find or download ADPREP for your distribution of windows.

First run “cscript fixfsmo.vbs DC=DomainDnsZones,DC=MYDOMAIN,DC=local ” Change only the domain name to match domain, leave [DC=DOMAINDNSZONES]

Next  run “cscript fixfsmo.vbs DC=ForestDnsZones,DC=MYDOMAIN,DC=local ”  Change only the domain name to match domain, leave [DC=FORESTDNSZONES]

Next locate your ADPREP directory and change to\adprep,   now run  adprep /rodcprep . If you do not have the ADPREP tools you can get them from Microsoft’s website or on the original CD media your server came with.

Then rerun DCDiag to verify that the failures are gone.

 

 

Enjoy,

Cubert 😎

 

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