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Unfortunately DHCP has no such a device.. If you want to accomplish this you really have a couple of choices.. <br />
<br />
1) you can use MAC address filtering on a switch (lots of work!!!)<br />
2) You can look at NAP (Network Access Protection).. I am not sure of the functionality in Server 2003 but Server 2008 would allow you to block access to the DHCP (but only for supported clients)<br />
3)Cisco also produces software that will accomplish what you want.. but you need Cisco routers<br />
<br />
I am not sure of any third party software that will accomplish this.. 
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Unfortunately DHCP has no such a device.. If you want to accomplish this you really have a couple of choices..

1) you can use MAC address filtering on a switch (lots of work!!!)
2) You can look at NAP (Network Access Protection).. I am not sure of the functionality in Server 2003 but Server 2008 would allow you to block access to the DHCP (but only for supported clients)
3)Cisco also produces software that will accomplish what you want.. but you need Cisco routers

I am not sure of any third party software that will accomplish this..

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Hi All,<br />
<br />
I have a DHCP server running with roughly 400 addresses available for lease, however there are some entries that have no names and some are student laptops is there anyway of diasbling access to my DHCP server using its mac address? I like to keep tabs of what is on my network so need to disable this equipment from having access to my network. Any pointers would be welcomed.<br />
<br />
Thanks<br />
<br />
Natalie Lodge
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Hi All,

I have a DHCP server running with roughly 400 addresses available for lease, however there are some entries that have no names and some are student laptops is there anyway of diasbling access to my DHCP server using its mac address? I like to keep tabs of what is on my network so need to disable this equipment from having access to my network. Any pointers would be welcomed.

Thanks

Natalie Lodge

Blocking Mac Addresses from DHCP Server

A laptop or notebook is a portable personal computer with a clamshell form factor, suitable for mobile use. Although originally there was a distinction between laptops and notebooks, the former being bigger and heavier than the latter, there is often no longer any difference. Laptops are commonly used in a variety of settings, such as at work, in education, and for personal multimedia. A laptop combines the components, inputs, outputs and capabilities of a desktop computer, including the display screen, speakers, a keyboard, and pointing devices (such as a touchpad or trackpad) into a single unit. The device can be powered either from a rechargeable battery or by mains electricity from an AC adapter.

Laptops Notebooks

The Dynamic Host Configuration Protocol (DHCP) is an auto configuration protocol used on IP networks and an extension of the Bootstrap Protocol. DHCP allows for computers to be configured automatically to communicate with each other over an IP network without the need for manual setup by a network administrator. The implementation of DHCP relies on a DHCP server to hand out network configuration information to DHCP-capable clients that request an IP address (and other information required or useful in communicating with other devices on an IP network). In addition to an IP address, common configuration information served over DHCP includes a default gateway, subnet mask and DNS sever(s).

DHCP

Windows Server 2003 was based on Windows XP and was released in four editions: Web, Standard, Enterprise and Datacenter. It also had derivative versions for clusters, storage and Microsoft’s Small Business Server. Important upgrades included integrating Internet Information Services (IIS), improvements to Active Directory (AD) and Group Policy (GP), and the migration to Automated System Recovery (ASR).