Re: Multi-homed Active Directory Domain Controller

Tech Tip: Click here to run a free scan for Windows Errors and optimize PC performance

From: Kevin D. Goodknecht Sr. [MVP] (admin_at_nospam.WFTX.US)
Date: 01/14/05 

Date: Fri, 14 Jan 2005 17:25:14 -0600

In news:%23sjRE9o%23EHA.4028@TK2MSFTNGP15.phx.gbl,
Josh R. Andrews <jra@kccllc.com> commented
Then Kevin replied below:
> We currently have two domain controllers in our domain.
>
> One of these domain controllers is multi-homed. It has
> two NICs, facing on the same subnet. They each have their
> own IP address. Say for argument's sake one is
> 192.168.1.15 and the other is 192.168.1.20. The DC
> auto-registers both IPs in DNS.
>
> My question is whether this is either "bad design" or
> just kind of questionable -- i.e. leading to wierd
> slowness in the domain, NetBIOS problems (I know it's
> supposed to be going away in W2K3 but we all know it
> still pops up in the oddest places) or DNS name
> resolution issues.
>
> I am thinking about getting rid of one of the NICs and
> just having one IP address for the DC, but wanted to
> check first if the multi-homed setup is a known
> boondoggle.

You say this is Win2k3?
Bridge these connections, then it won't be multihomed, they will have one IP
address and act like one interface. Right click on either interface in
Network Properties and select Bridge connections. 

-- 
Best regards,
Kevin D4 Dad Goodknecht Sr. [MVP]
Hope This Helps
===================================
When responding to posts, please "Reply to Group"
via your newsreader so that others may learn and
benefit from your issue, to respond directly to
me remove the nospam. from my email address.
===================================
http://www.lonestaramerica.com/
===================================
Use Outlook Express?... Get OE_Quotefix:
It will strip signature out and more
http://home.in.tum.de/~jain/software/oe-quotefix/
===================================
Keep a back up of your OE settings and folders
with OEBackup:
http://www.oehelp.com/OEBackup/Default.aspx
===================================

Relevant Pages

  • PIX Firewall and No-NAT
    ... domain controllers. ... controllers is behind a Cisco PIX firewall and is NAT'd. ... I would like to switch the DNS ... System with Internal IP's (inside interface) ...
    (comp.security.firewalls)
  • Re: Multi-homed Active Directory Domain Controller
    ... > We currently have two domain controllers in our domain. ... > auto-registers both IPs in DNS. ... address and act like one interface. ... Network Properties and select Bridge connections. ...
    (microsoft.public.windows.server.dns)
  • Re: Multi-homed Active Directory Domain Controller
    ... > We currently have two domain controllers in our domain. ... > auto-registers both IPs in DNS. ... address and act like one interface. ... Network Properties and select Bridge connections. ...
    (microsoft.public.windows.server.networking)
  • Re: Active Directory wont see domain controller
    ... > then there has been something strange going on. ... > "the list of domain controllers for domain exchange.local is ... Posted using the http://www.windowsforumz.com interface, at author's request ...
    (microsoft.public.win2000.active_directory)
  • Re: After enabling GPO, client pc needs synchronization
    ... correct DNS configuration. ... Server 2003 domain controllers dynamically register information about ... As far as Group Policy troubleshooting you can use rsop.msc on the client ...
    (microsoft.public.windowsxp.security_admin)