Microsoft KB Archive/241858

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Ipconfig "/showclassid" Switch Does Not Work Correctly

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The information in this article applies to:


 * Microsoft Windows 2000 Advanced Server
 * Microsoft Windows 2000 Professional

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SYMPTOMS
The ipconfig /showclassid adapter_name command may not display all class IDs configured on a Dynamic Host Configuration Protocol (DHCP) server.

The /showclassid switch broadcasts a DHCP Inform packet to find the class IDs configured on a DHCP server. A DHCP server receiving the request replies with the configured class IDs. The client can then set itself to the appropriate class ID using the /setclassid switch.

CAUSE
All of the available class IDs may not be sent back to the client because of a packet size limitation on the DHCP server's response.

RESOLUTION
To work around this behavior, use the netsh command. To see a list of class IDs configured on a DHCP server, use the following command

"netsh dhcp server server_ipaddress show class" where server_ipaddress" is the Internet Protocl (IP) address of the DHCP server.

NOTE: Windows 2000 Professional must have the Windows 2000 Admin Pack installed in order to recognize the 'netsh dhcp' command. The Admin Pack could be installed by executing the 'adminpak.msi' file located in the Windows 2000 Server or Advanced Server CD-ROM. The 'netsh dhcp' command won't work in a domain environment unless the command is executed by a domain administrator.

STATUS
Microsoft has confirmed this to be a problem in the Microsoft products listed at the beginning of this article.

Additional query words:

Keywords : kbenv kbtool

Version : WINDOWS:2000

Platform : WINDOWS

Issue type : kbprb

Technology :