Microsoft | Windows server 2008 R2 DNS warning via Best Practice Analyzer. => Root server not available ( timeout during validation )

When you use the Best Practice Analyzer for the Domain controller. it’s possible it says that the following root-server ( is not anymore available. You see the following error in the DNS

To solve this issue you need to lookup what’s the new You can find this information on IANA:

Change the address of the root server in the DNS this will be replicated to the other dns servers in the domain.

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