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Albert Widjaja
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DNS server TEST: Delegations (Del) FAILED IP:<Unavailable> [Missing glue A record]

Hi All,

Can anyone here please share some way to fix the DNS Delegation test failure ?

TEST: Delegations (Del)
   Error: DNS server: PRODDC26-VM.MyDomain.com IP:<Unavailable> [Missing glue A record]

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Because when I execute the command dcdiag /test:DNS in both my newly deployed and existing domain controller, it is FAIL on the Delegation test only.

I've checked:
Ping is succesful for PRODDC26-VM (server still exist and running as another DC/GC & DNS in another AD site).
There is A record in the DNS forward lookup domain MyDomain.com for PRODDC26-VM
There is another NS record under the "greyed out" _msdcs folder with NS (same as parent folder) static pointing to PRODDC26-VM.MyDomain.com
Mydomain.com.au
     _msdcs --> greyed out.

What is this delegation is for and can I safely delete it ? What's the impact ?

Thanks,
DNSActive DirectoryWindows OSMicrosoft Server OS

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Mahesh

8/22/2022 - Mon
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