Windows 2000 Configure DHCP Server
After installing the DHCP-server, you will need to configure it before you can use it:
, which is part of the
Windows menu "Administrative Tools".
In the left plane, you will see the name
and IP-address of the DHCP-server.
||After installation, a DHCP
server is not authorized.
Do not forget this later !
( see below )
You need to
define the range of IP-addresses to be assigned
(=distributed) by the DHCP-server.
A definition of a range of IP-addresses (with or without
additional options) is called a "Scope":
select your DHCP-server and then either with a right-click or
from the menu "Actions" select to
define a "New Scope":
||Up comes the Wizard
||Define a name for your
continue with "Next"
||Define the range of
and the subnet-mask.
Select a range, which does
not include the IP-address of
the server itself or any other
device with a manually
assigned IP-address (like:
Although you could exclude
them in the next step, usually
a range is reserved for such
manually assigned addresses
and then the rest (in this case:
100 - 199 ) is given to the
DHCP-server for automatic
||If you could not define
ranges for manually assigned
IP-addresses, then you could
here define IP-addresses or
ranges of IP-addresses to be
excluded: not to be used by
assigned (= "leased"
) for a
This avoid running out of
addresses, when visitors to you
office connect to the network
and get an IP-address assigned.
Without a time-limit, such an
IP-address could not be reused.
usually, 8 days is a good choice
ensure that people every day in the
office will |continue to use the same
IP-address once assigned to them,
since their systems will in time extend
the "lease". And if they come back from
a 2 week vacation and the "lease" has
expired, then the DHCP-server will
assign a new IP-address to them.
||In addition to the IP-address
and Sub-Netmask, a DHCP-
server can also be use to
define other TCP/IP configuration
items on the Client systems.
your office network part of
a larger company Wide-Area
network (WAN ) ?
Then you need to configure
the client computers with the
IP-address of the Gateway
(or Router) to be able to
communicate with systems
on the WAN.
Enter the IP-address and then
click on "Add" to enter the
address to the list of Gateways.
using a WAN and need
to help your clients to locate the
IP-addresses of servers
(like WebServers) on the WAN ?
Or do you intend to have clients
connected to the Windows2000
server via the new
Then you must configure the
clients for use of a DNS-server.
Enter the name of your server
and the IP-address and click on
"Add" to enter the value on the
||You can also configure
the WINS server address
||You need to activate the
( which you can do later with a
right-click on the scope and selecting :
You still have to "Authorize" the DHCP-server:
select the server and either right-click or from the menu
"Action" select "Authorize"
Note: on my system, I had to close now the DHCP-windows and open
it up again to see,
that the DHCP-server is now "Running" :
a quick check on the "Scope Options",
which we have configured already:
||If required, you can
change or add
the options of the scope.
You can configure in the
"Properties" of the scope, tab : DNS, that once the
has assigned an IP-address the address will be updated in the
DNS-server, allowing now
other systems on the network to locate your system :
Once the DHCP-server is configured and authorized and the scope
is activated, IP-addresses
will be distributed . You can then view the list of assigned IP-addresses.