1. a. No, b. No. On a LAN the existence of multiple subnets does not imply
a need for multiple DCs or DNS servers. Multiple servers provide
redundancy, and can improve network performance or provide load balancing,
but the need for this on a high speed LAN is related to traffic
demand/volume, not routing.
2. On the client run: echo %logonserver%. As to which DC is likely to
authenticate in an upgraded mixed mode domain, well .......see:
http://support.microsoft.com/default...b;en-us;309273
3. Best practice for remote locations would be to configure Sites and place
a DC at each location. But with only 5 clients, this probably is not cost
effective. MS used to have a recommendation based upon number of clients at
the remote site - can't remember what it was, but it was more than 5. If
the links are reasonably reliable and logon/name resolution performance is
acceptable, I would go without a remote DC.
4. Subnets can help reduce NetBios traffic, and you can further reduce this
by designating master browsers. By default Windows machines are potential
browsers - you turn this off by stopping the computer browser service or by
setting the MaintainServerList value to No in the regisitry:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Servic es\Browser\Parameters
You can use the same registry key to set IsDomainMaster on the PDC to TRUE.
For down level clients, it may be helpful to use an lmhosts file, but this
should not be necessary if you have WINS. see:
http://support.microsoft.com/default...b;en-us;180094
Doug Sherman
MCSE Win2k/NT4.0, MCSA, MCP+I, MVP
"vidro" <(E-Mail Removed)> wrote in message
news:F979B454-B5BA-4358-9E35-(E-Mail Removed)...
> This is just a post to ask some general question dealing with win2003, XP,
> network design and architecture.
> I have finely admitted after about 6 months of denial that my network and
> all computer related issues have barreled out of control.
> Up to 16 months ago my network was NT4 on the servers, 5.5 for messaging,
> and a mixer of WIN98 XP and WIN2k workstations.
> I feel like I was pushed in head first to an environment that I was not
> prepared for and still do not have that "warm fuzzy" feeling about.
> It was an application that "the man that signs the checks" wanted to run,
> that started the dominos to fall, this application required Active
> directories.
> Than the push to Exchange 2003, than ISA server, now to object oriented
> design development ( not my job but will require an application portal
> server).
> I have 5 servers, 12 remote locations, and over 250 users that do not
speak
> geekaneez. I have one helpdesk guy, 3 analyst that do not understand the
> words "Documentation" and the phrases "Leave it the H#$% alone" or "do not
> touch". I work for a great company, good owners, but sometimes they come
> across as "Why doesn't this work the way I think it should".
>
> I have some general questions I need to ask so I do not assume things work
> the way I believe.
> These may sound like MCSE test question. Ha-Ha
>
> 1. What is the proper configuration for a single Domain with multiple
local
> subnets?
> a. Should there be a Active directory server on each subnet?
> b. Should there be a DNS on each subnet?
>
> 2. In mixed mode how do you know if an NT4 DC or the WIN2003 AD server is
> doing the authenticating?
>
> 3. In the remote location I have approximately 5 computer per location.
Each
> location has different subnet and uses a Cisco VPN concentrator to attach
to
> Corporate LAN.
> Is it best practice to stick a WIN2003 server at each location?
>
>
> 4. I did a sniff of the LAN network traffic and notice a ton of
"broadcast"
> and "NBT" traffic, should NetBIOS over IP be disable on XP boxes?
> How do I guarantee a specific computer to be the DMB or/and the SMB?
>
> Maybe just a good general questions is what server components required for
> each subnet to obtain adequate logon speed and browser list to shared
> resource?
>
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