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Does Active Directory automatically include/use/manage DNS and DHCP?

B

Buddha Bart

Diamond Member
Is being a DNS server and DHCP server built into Active Directory?

Would it make sense or be a bad idea to have all three served off one machine? (with a secondary machine)(btw: what do you call a BDC in AD?)

bart
 
You can run DNS and DHCP on a Domain Controller. DHCP is not required for Active Directory but DNS is as AD uses DNS for it's locator service. How big of an AD are you talking about here? DHCP and DNS aren't very resource consuming services so you can probably run them both on a machine.

There are no PDCs or BDCs in AD anymore. There are only Domain Controllers (DC) now. AD uses a multi-master relationship between it's DCs unlike NT4s Master/Slave relationship.
 
It should be okay for you to run all 3 services on one machine, but you might want to look into adding a second DC. Having a second DC will greatly help if your main DC ever fail, because you have to break the SID to bring the domain backup if you only have one DC. And, it is a nasty hack to get it going again.
 
DHCP is not required for Active Directory but DNS is as AD uses DNS for it's locator service.
Click to expand...

This cannot be overstated: DNS will not run without DNS. You need to have a rock-solid DNS setup before you even think about promoting a machine to be a DC. The wizard will prompt you if you don't have DNS setup, and will install it for you, but it is better to do it before you create your AD.

AD is also not a simple thing to implement, especially if you are migrating from NT. You need to do a lot of reading, planning, more reading and more planning. Even if you are setting up an AD for educational purposes, you will quickly become frustrated if you dive into the procedure.
 
Originally posted by: Buddha Bart
Is being a DNS server and DHCP server built into Active Directory?

Would it make sense or be a bad idea to have all three served off one machine? (with a secondary machine)(btw: what do you call a BDC in AD?)

bart
Click to expand...

There's nothing wrong with DHCP running on your primary domain controller. DNS will make or break your AD as others have mentioned. And the new terminology for the NT4 BDC construct is multi-master replicator.
 
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