![]() ![]() ![]() It's a special internal IP address for the loopback adapter. 127.0.0.1 should not be seen on the local network. the IP of the server?ġ27.0.0.1 is not just a different ip address to the machine ip address, it's a different interface as well. Also, a server will reboot faster if an already up and running DC is providing DNS. This is done to ensure that each DC can find its replication partners. Each site should have two DC's, each having the other DC's IP as the preferred DNS all within the same site. If possible, do not point one site's DC's DNS to the other site's DNS. If you have more than one site, rely on AD Sites and Services to ensure replication occurs between the sites. If you have more than 2 DNS servers in your domain or forest, you should setup a pattern whereby they all have different primary DNS partners, so that each server is used as someone else's primary.ĭC 1 Static DNS should be: Preferred: 192.168.1.3 Alternate: 127.0.0.1ĭC 2 Static DNS should be: Preferred: 192.168.1.2. Best practice dictates that each domain controller should be setup with a different DNS server as it's preferred DNS server, and and the loopback address (127.0.0.1) as it's alternate DNS server. Proper domain controller DNS setup is vital for Active Directory to work properly. I know it's just your account but check DNS on the DCs.
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