Domain Controller Dns Settings Best Practice 2012 R2
What is the best practice for dns order on domain controllers.
Domain controller dns settings best practice 2012 r2. Best practices for dns client settings in windows 2000 server and in windows server 2003. It is possible to install dns on servers which are not dcs including non windows servers but installing dns on dcs allows the use of ad integrated lookup zones see below which improve security and simplify zone replication. Multihoming domain controllers is not recommended it always results in multiple problems. Never use the loopback address 127 0 0 1 as an entry in the dns settings.
Dns configuration best practice on domain controllers clients and member servers. Here is a photo of how a simple network card configuration should look on a windows server 2012 box that does double duty as a domain controller and a dns server. Windows server 2012 dns best practices. This is also microsoft s recommendation.
The recommendations in this article are for the installation of windows 2000 server or windows server 2003 environments where there is no previously. The new 2012 servers also have dns installed and i want to make sure all the dns config is correct. 9 minutes to read. We ll see network latency.
Being a vpn server and even simply running rras makes it multi homed. Servers and workstations will go out of sync with regards to domain resources. I ve seen lots of discussion on this topic. Symptoms of miss configuration on nic on domain controller dc.
In a small environment at least one domain controller dc should be a dns server. I have recently started the process to get the dc s up to 2012 r2 and have built two vm s in each domain and promoted them to dc. The configuration wizard has automatically configured the dns settings according to the general recommendations from microsoft. Applies to 2003 2008 2008r2 and 2012 dcs.
This article describes best practices for the configuration of domain name system dns client settings. Sandesh dubey july 16 2015. I have recently inherited a three domain forest one root domain and two child domains that are running server 2008 r2 dc s. In a larger environment at least two domain controllers at each physical site.
Dns even just all by itself is better on a single homed machine. Domain controllers should not be multi homed 2. This was kosher back in the day but modern windows networks do not like to see this. Best dns order on domain controllers.
The value for preferred dns server remained the same the ip address of the windows server 2003 but as alternate dns server was set the loopback ip address of the newly promoted domain controller windows server 2012 r2 i e.