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Unable to Obtain a Lease from SonicWALL DHCP Server on a Windows XP-Based Computer

Support for Windows XP has ended

Microsoft ended support for Windows XP on April 8, 2014. This change has affected your software updates and security options. Learn what this means for you and how to stay protected.

This article has been archived. It is offered "as is" and will no longer be updated.
On a Windows XP-based computer, you are unable to obtain a lease from a SonicWALL product that has a DHCP server.
This behavior occurs due to an incompatibility issue with the earlier versions of the BIOS of the SonicWALL products. A network trace shows that the DHCP server sending a negative acknowledgment (NACK) in response to the DHCP request.
To resolve this behavior, upgrade the firmware on the SonicWALL product to the latest version.
This behavior is by design.
More information
In a network trace of the DHCP packets, you see the following sequence:
   Discover  (From client)   Offer     (From Server)   Request   (From client)   NACK      (From server)				
In a successful trace, you see the following sequence:
   Discover   Offer   Request   ACK				

Article ID: 295319 - Last Review: 01/12/2015 18:03:44 - Revision: 2.0

Microsoft Windows XP Home Edition, Microsoft Windows XP Professional

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