149-DNS Suffix Search List

Computer/User Node :

   MACHINE

Policy Path :

   Administrative Templates\Network\DNS Client

Supported on :

   At least Microsoft Windows XP Professional or Windows Server 2003 family

Help/Explain Text :

   Determines the DNS suffixes to attach to an unqualified single-label name before submission of a DNS query for that name. An unqualified single-label name contains no dots, such as example. This is different from a fully qualified domain name, such as example.microsoft.com.. With this setting enabled, when a user submits a query for a single-label name, such as example, a local DNS client attaches a suffix, such as microsoft.com, resulting in the query example.microsoft.com, before sending the query to a DNS server. If you enable this setting, you can specify the DNS suffixes to attach before submission of a query for an unqualified single-label name. The values of the DNS suffixes in this setting may be set using comma-separated strings, such as microsoft.com,serverua.microsoft.com,office.microsoft.com. One DNS suffix is attached for each submission of a query. If a query is unsuccessful, a new DNS suffix is added in place of the failed suffix, and this new query is submitted. The values are used in the order they appear in the string, starting with the leftmost value and preceding to the right. If you enable this setting, you must specify at least one suffix. If you disable this setting, the primary DNS suffix and network connection-specific DNS suffixes are appended to the unqualified queries. If this setting is not configured, it is not applied to any computers, and computers use their local configuration.

Registry Settings :

HKLM\Software\Policies\Microsoft\Windows NT\DNSClient!SearchList