Microsoft KB Archive/177148

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{| The information in this article applies to:
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 * Microsoft Windows NT Workstation versions 3.5, 3.51, 4.0
 * Microsoft Windows NT Server versions 3.5, 3.51, 4.0

SYMPTOMS
If you have configured a domain host configuration protocol (DHCP) server to hand out a default gateway by means of DHCP option 003 (router), Windows NT DHCP clients on the network get a valid DHCP lease and all other DHCP lease options except the default gateway.

CAUSE
The DHCP option 003 (router) option was configured with a value that is not on the local subnet.

RESOLUTION
To resolve this problem, configure a valid value for this option. The default gateway for any computer running IP must be on that computer's local subnet.

MORE INFORMATION
Client computers running Windows 95 will accept an invalid default gateway and place it in the route table. Windows NT clients check the value they receive; if it is not on the local subnet, they will disregard the value.
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Last reviewed: January 21, 1999

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