Microsoft KB Archive/225148

= Windows 2000 DHCP Server Continues to Assign Addresses After Upgrade =

Article ID: 225148

Article Last Modified on 2/25/2007

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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 Q225148



SUMMARY
After you upgrade a Microsoft Windows NT 4.0 server to Windows 2000, Dynamic Host Configuration Protocol (DHCP) continues to assign addresses, even though it is not authorized to do so.



MORE INFORMATION
This is a feature of Windows 2000. To preserve the mission-critical function of handing out IP addresses, upgraded servers are exempt from Rogue Server detection until the first time the Microsoft Management Console (MMC) snap-in is opened on that server.

After the snap-in has been opened, the server begins sending DHCPINFORM packets, and disables itself until it is authorized in the Windows 2000 domain.

Keywords: kbenv kbinfo KB225148

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