Q & A: Why does my network crash when 1 DC goes down?

[chicagotech]

Which servers are also Global Catalog servers? You should have at least one GC running at all times.
>
> -Brad
>
>
> ______________________________________
> Bradley J. Dinerman, MVP - Windows Server Systems President, New
> England Information Security Group http://www.neisg.org
>
> pastrano@gmail.com wrote:
> > We are currently running 3 domain controllers--two are running
> > Windows
> > 2003 Server and one running Windows 2000 Server. I rebooted a
> > Windows
> > 2003 Server which is not the Schema or Operations Master and noticed
> > that my authentication to network shares to other servers went down.
> > Why would this happen? I thought because we have several DC's AD
> > should be fairly redundant and this should not happen?

[chicagotech]

To have windows domain redundancy, you should have 2 DCs with the global catalog role. Also make sure you have two DNS server for the redundancy. This post may help too,

How to setup Windows 2008 domain redundancy
http://www.chicagotech.net/netforums/vi ... =6810#6810

Bob Lin, MS-MVP, MCSE & CNE
Networking, Internet, Routing, VPN Troubleshooting on http://www.ChicagoTech.net
How to Setup Windows, Network, VPN & Remote Access on http://www.HowToNetworking.com
"Guus Ellenkamp" <Ellenkamp_Guus> wrote in message news:uMhRMB30HHA.4928@TK2MSFTNGP05.phx.gbl...
I have two domain controllers. If one of them is switched off, the other
does not seem to take over. What could be wrong?