DHCP Server Installation
Once our server can resolve names and IP addresses and already works in Active Directory mode, only the DHCP server (Dynamic Host Configuration Protocol) is missing. By default, every windows computer looks for such a server in order to pick up its IP address, the Internet gateway and various other network parameters.
After service is installed via [Control Panel] - [Software] - [Windows Components] - [Network Services], it must be managed using the management console. Here, we need an IP address range (see screenshot above).
In turn, address spaces can be excluded from the address range.
The IP lease is a time value that stands for the validity of an IP address. In networks with only a few changes, this lease can easily be a month long, while the use of shorter leases (a few days) makes more sense in frequently changing systems.
Specifying an Internet gateway is very important for the users. In small environments, this is usually the DSL router.
DHCP Server Installation, Continued
Specifying a domain name as well as the DNS server is also important. Here, many DNS servers can be specified, if they are available. For reasons of reliability, the IP address of the DSL router can be given here so that the user can still connect to the Internet if the server crashes or is restarted.
If you didn't install the WINS server, then leave the text boxes empty. Otherwise, the same thing applies as for the DNS settings.
After successfully setting up an address range (scope), the DNS server still has to be authorized in order to work in the Active Directory. A right-click and the right choice of the respective item is all you need. The procedure only takes half a minute.
Finished - DHCP works! However, make sure that only one DHCP server is providing its services in the network. DSL routers often provide similar functions, which of course have to be deactivated.
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