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How to configure the primary DNS suffix

The Primary DNS suffix specify the DNS suffix to be appended to the name of a computer when completing its fully qualified domain name (FQDN). If you donít have correct primary DNS suffix, you may experience some name resolution issue. For example, you may have difficult to join a domain. In other case, you may not be able to use the FQDN.

To configure the primary DNS suffix for a computer, follow these stpes.


Right-click on My Computer and then select Properties.


Click the Computer Name tab.

This tab displays the computer name, the workgroup or domain to which it belongs, and a brief description of the computer.


Click Change, and then click More.


In DNS Suffix and NetBIOS Computer Name, type your domain name, for example chicagotech.net.


After applying these changes, you must restart the computer to initialize it with its new DNS domain name.


If the computer has been previously installed and configured as a DNS server, verify that zone authority records are updated.

These include the start of authority (SOA) and name server (NS) resource records, substituting the new FQDN to replace the single label name previously in use. For more information, see Related Topics.

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Related Topics

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How to configure the primary DNS suffix
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