A DHCP reservation is a permanent IP address assignment. It is a specific IP address within a DHCP scope that is permanently reserved for leased use to a specific DHCP client.
You can configure a DHCP reservation in your DHCP server when you need to reserve a permanent IP address assignment. Use reservations for the DHCP enabled devices like print and file servers or other application servers which always have the fixed IP address on network.
A reservation is consists of the following information:
Working with DHCP Reservations in the Microsoft DHCP Server
Configuring a DHCP Reservation
Open the DHCP console.
In the console tree, click reservations.
On the action menu, click new reservation.
In the new reservation dialog box, provide the values for the following fields.
Reservation name.
IP address.
MAC address (without hyphens).
Description.
Under supported types, select one of the following options.
Both
DHCP only
BOOTP only
In the new reservations dialog box, click add, and then click close.
Verifying the DHCP Reservation
On the client computer, at the command prompt, using the ipconfig/release command, release the client's IP address.
On the server computer, in the DHCP console, under address leases, verify that the reservation displays as inactive.
On the client computer, at command prompt, using the ipconfig/renew command, renew the client's IP address.
On the server computer, in the DHCP console, under address leases, verify that the reservation displays as active.
Client Verification
To verify IP address of the client, you need to set obtain IP address automatically from TCP/IP properties.
Use the ipconfig/all command; verify that the DHCP server IP address for the partner network connection is the IP address of the DHCP server's partner network connection.
Use the ipconfig/release command to release the IP address from the DHCP server.
Use the ipconfig/renew command to renew the IP address from DHCP server.
