How to Change DNS Zone Type in Windows Server 2008?
When DNS server is installed in Windows server 2008 and a forward lookup zone is created the very first zone that administrators create is Primary zone. However when there are several DNS servers in the network infrastructure and all of them have the same zone types it becomes essential for the administrators to modify the types of zones many servers in order to allow zone transfers between the servers. Changing on zone type is a simple process which can be done by three or four clicks but administrators need to be very cautious while doing so as it may jeopardize the entire network if configured incorrectly. As an administrator if you want to change DNS zone type you need to follow the steps given as below:
1.      Logon to Windows server 2008 computer with Administrator account.
2.      Make sure that DNS server role is installed and at least forward lookup zone is created.
3.       Go to DNS Manager by going to Administrative Tools and expand Forward Lookup Zone tree.
4.      Right click on the name of the zone which you want to modify and from the appeared menu click on Properties.
5.      Make sure that you are on General tab and click on Change button opposite to Type.
6.      On Change Zone Type box choose the appropriate radio button as per the requirements and click on Ok button.
7.      Back on the zone properties box click on Ok button to save the changes you have made and close DNS Manager Window.