Why a DNS if using RDP server?

Hi All,
I just installed the 2012R2 120 day demo in a virtual machine to practice with. I noticed that when I went to enable RDP server (Terminal services or Remote Desktop services) that it said I have to have a DNS installed too.
Question: why?
Is this something new? My customers with Windows servers only have one server, so no fall over. And I always use a fixed I.P. on my servers (lock the MAC address into the DHCP daemon too). When I have configured RDP clients (rdesktip, mstsc,
etc.) I have always used the straight I.P. address of the RDP server. I really, really like to keep my Windows servers as simple as possible. If not necessary, I really don't want them running a DNS server. (Usually, if I run an internal
DNS, I run BIND as a caching server and link it to a DHCP server daemon over on a Red Hat server. Very fast and very slick. You have to learn "vi", the text editor from h--- though.)
Many thanks,
-T

RDS also requires Active Directory, which also requires DNS. Of course, you can run DNS for a domain on a bind server - it just takes more to set up and requires additional management afterwards because it is not integrated with AD.
.:|:.:|:. tim
Hi Tim,
Was "RDS" a typo?
So, if I don't install Active Directory (AD) and just use standard user accounts, then RDP without DNS. But if I use AD, then I have to use DNS. Thank you. That answers another question about setting up AD for a customer that wants to be
able to do and see anything from any workstation. (He thinks he can do it with an i3 server, one 4 G memory stick, an a SATA 300 drive too. Oh DUDE!)
Why DNS for AD? Does AD need to know the I.P.'s of the workstations? Why does it need to know anything I.P. wise about anyone else except itself? (I really want to keep things simple.)
Many thanks,
-T
Not a typo. RDS is remote desktop services. RDP is remote desktop protocol. These names are both used when discussing a server which hosts remote desktops.
Now, running AD on an i3 will not be a problem with 4GB of ram. If all he has is a small domain with a handful of clients, it will be more than fast enough.
AD needs DNS because Windows uses DNS to locate AD resources. For example, when a workstation wants to perform a logon, it will contact the DNS server to request the IP address of a computer providing domain controller functionalities (such as kerberos for
example). Or when domain controllers need to replicate, they use DNS to locate each other. AD depends on DNS completely.

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