Microsoft KB Archive/285134

= DHCP Server May Not Release Address =

Article ID: 285134

Article Last Modified on 2/20/2007

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APPLIES TO


 * Microsoft Windows 2000 Server
 * Microsoft Windows 2000 Advanced Server

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This article was previously published under Q285134



SYMPTOMS
When a client and server are on different subnets and the server does not have a scope defined for its local interface, the Windows 2000-based Dynamic Host Configuration Protocol (DHCP) server may not release an Internet Protocol (IP) address when the client sends a DCHP release message.



CAUSE
This problem can occur when the DHCP server evaluates the server's IP address instead of the client's IP address that is requesting the release.



RESOLUTION
To work around this problem, create a scope on the same IP subnet as the primary DCHP server's interface. The presence of the scope works around the problem. The scope does not have to be active. You can also manually delete the IP leases by using the DHCP Microsoft Management Console (MMC).



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.

Additional query words: dhcpssvc

Keywords: kbbug kbdhcp kbnetwork kbnofix kbwin2000presp3fix KB285134

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