You are now ready to set up your zone records. This will help secure your server from a variety of DNS recursion attacks. You can test that your DNS server is properly serving DNS from a Windows command prompt, by using the nslookup command in this format:. For example:.
Click NEXT and then select the first option, Create a Forward lookup zone On the next screen, leave the default option selected, This Server maintains the zone, and click NEXT Now you will need to enter the domain name that you want to create your first zone file for.
Then check the box labeled " Disable recursion " Congratulations! You can test that your DNS server is properly serving DNS from a Windows command prompt, by using the nslookup command in this format: nslookup example. Was this article helpful? The domain controller has no alternative DNS server specified or points to a domain controller over a wide-area network WAN link.
When the domain controller is started, it may hang for 20 minutes. This issue occurs after Preparing network connections is displayed, and before the logon prompt is displayed. The copy of Active Directory in some domain controllers contains references to other domain controllers in the forest.
These domain controllers try to inbound replicate all locally held directory partitions during Windows startup, as part of an initial synchronization or init sync. The delay won't occur if Active Directory has completed its initial synchronization during Windows startup.
Meanwhile, Active Directory is delayed from inbound replicating directory partitions. The duration of the hang while preparing network connections depends on the number of locally held directory partitions residing in a domain controller's copy of Active Directory.
Most domain controllers have at least the following five partitions:. And these domain controllers can experience a minute startup delay. The existence of extra partitions increases the startup delay.
It's because inbound replication of Active Directory partitions hadn't occurred. In Windows Server and Windows Server SP3 or later, the domain controllers that host operations master roles must also successfully replicate inbound changes on the directory partition that maintains the operations master role's state. Successful replication must occur before FSMO-dependent operations can be performed.
Such initial synchronizations were added to ensure domain controllers were in agreement about FSMO role ownership and role state.
The initial sync requirements required for FSMO roles to become operational is different from the initial sync discussed in this article, where Active Directory must inbound replicate to start the DNS Server service immediately. Some Microsoft and external content have recommended setting the registry value Repl Perform Initial Synchronizations to 0 to bypass initial synchronization requirements in Active Directory.
The specific registry subkey and the values for that setting are as follows:. This configuration change isn't recommended for use in production environments, or in any environment on an ongoing basis. The use of Repl Perform Initial Synchronizations should be used only in critical situations to resolve temporary and specific problems.
The default setting should be restored after such problems are resolved. Domain controllers hosting AD-integrated DNS zones shouldn't point to a single domain controller and especially only to themselves as preferred DNS for name resolution.
DNS name registration and name resolution for domain controllers is a relatively lightweight operation that's highly cached by DNS clients and servers.
This setting is tolerable in a forest with only one domain controller, but not in forests with multiple domain controllers. Best Answer. JCAlexandres This person is a verified professional. Verify your account to enable IT peers to see that you are a professional.
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