Our dns is managed by AT&T (our T1 provider).
Our Websites are hosted by another company.
We have an internal exchange server.
Everything is working fine except:

I am facing this error:
The DNS Server was unable to load a resource record(RR) from the directory
at _msdcs.XYZ.com. Use the DNS console to recreate this RR (or) check that
the AD is functioning properly and reload the Zone.

I am fairly sure that this question has been asked many times but here
goes:
I have a Windows 2000 Server running DNS.
I want to configure it so that it only allow my own IP block to use

Here's the Scenario:
The local Windows 2000 Domain Server DNS points to itself (as do its
clients) as the default nameserver for its domain mydomain.com. I need for
this to continue. However, the business has an external web server that has a

I have recently created a new zone in dns and the 4 subdomain folders are
missing (_msdcs, _sites, _tcp, _udp) I have tried stop/restart netlogon
service reboot domain controller... I cannot figure this out, some work
stations have also said that there is no domain controller on ...

I have a couple of Windows 2003 web servers in a home lab. One  has
production-like (important) stuff on it and I really can't afford to
have it down for more than a few hours. The other is where I develop
and on occasion I've had to switch over to it due to hardware problems