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Chapter 4.2. DNS and Active Directory > Using Third-Party DNS Servers with the ...

Using Third-Party DNS Servers with the Active Directory

Although it is physically possible, choosing to use a third-party DNS server can be quite an undertaking. Microsoft has added some key features to its DNS service that makes it better prepared to support the Active Directory. For example, support for the UTF-8 character set ensures that Windows 2000 will fully interoperate with your down-level NetBIOS names. Also, the addition of Secure Dynamic DNS provides you with a level of security against denial-of-service attacks, with which a malicious user could attempt to "steal" critical service records from your Active Directory.

However, anticipating the need for some companies to run third-party DNS servers, Windows 2000 will run with non-Microsoft DNS servers as long as those servers support Service Locator (SRV) records. If your server does not support SRV records, you need to either upgrade that server or delegate the Active Directory zones to a server that does.


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