Sometimes you need to reserve an IP address for a workstation or a device from you DHCP pool. Microsoft provides software tools to make this easier for system administrators. This is an easy process that requires a few steps.
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If you have Windows 7 or Vista we recommend downloading Microsoft's Remote Server Administration Tools to manage your DHCP server.
Download the tools for Windows 7 at: http://www.microsoft.com/download/en/details.aspx?id=7887
Download the tools for Windows Vista at: http://www.microsoft.com/download/en/details.aspx?id=21090
After you install the tools you will need to turn this feature on in Windows. In your Control Panel click "Programs and Features". In the "Programs and Features" window click "Turn Windows features on or off". A new window will open with the available features. You can select and deselect any feature in the list. Click on the plus sign next to "Remote Server Administration Tools" to expand the list of tools, then click the plus sign next to "Role Administration Tools" to expand that list of tools. Click on the box next to "DHCP Server Tools" to enable the tool. Click "OK" at the bottom of the "Windows Features" window to finish.

To use the DHCP tool go to the control panel and select "Administrative Tools", then "DHCP." The DHCP tool window will open. In the toolbar at the top select "Add Server". Select the DHCP server you want to manage.

After adding the server double-click its name to expand the list of scopes, then double-click "IPv4", then double-click a scope to list its properties. Click "Address Leases" below the scope's name for a list of all current leases for that scope. To make a reservation for an IP address in the list, right click the IP address then select "Add to Reservation".

If you need to make a reservation for an IP address that is not in the list of leases you can add it by clicking on "Reservations" below the scope name, then select "Action" and "New Reservation" at the top of the "DHCP" tools window. Add the reservation name, IP address, MAC address and description then click "Add".

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