Windows Server 2008's DNS component is compliant with RFC 1995 and can do incremental transfers (as mentioned earlier, known as IXFRs in DNS parlance) with other Windows Server 2003 or Windows Server 2008 servers supporting the feature. It can also still do the old-style full zone transfers, referred to as AXFRs, with noncompliant nameservers and with non-Windows Server 2003 or Windows Server 2008 machines. There is no way to instruct Windows Server 2008 to always send full zone files to all servers, regardless of whether they are compliant. You can, however, tell Windows to send incremental zone transfers to all supporting servers, regardless of whether they run Windows Server 2003 or Windows Server 2008. Here's how:

1. Open the DNS Management snap-in.

2. Right-click your server and select Properties from the context menu.

3. Navigate to the Advanced tab, and uncheck the box labeled BIND Secondaries.

4. Click OK to finish.

Now the server will use incremental zone transfers to all supporting servers, not just to those running Windows Server 2003 or Windows Server 2008.

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