Re: DNS - Urgent Help

From: Roger Abell (mvpNOSpam_at_asu.edu)
Date: 06/27/05 

Date: Mon, 27 Jun 2005 01:05:56 -0700

As all machines have IPs from the one small private IP range
I assume that are all local to one another.
Just let the DCs of one domain serve as the DNS servers for
all forest domain is one of the most simple ways to support
that situation. 

-- 
Roger Abell
Microsoft MVP (Windows  Security)
"Medo_in_Egypt" <MedoinEgypt@discussions.microsoft.com> wrote in message
news:D1F5528B-71A2-4D53-BF15-BD31BF14CA79@microsoft.com...
> Dear All,
>
> We are Planing to Have One Forest, with Multiple Domains Trees as the
> following :-
>
> 1. KTC.COM
> 2. MUX.COM
> 3. TRU.COM
> 4. LON-UK.COM
>
> and Each one of the abouve Domain have 25 users as the following :-
> 1. KTC.COM ( Have 25 Users ).
> 2. MUX.COM ( Have 25 Users).
> 3. TRU.COM ( Have 25 Users).
> 4. LON-UK.COM ( have 25 Users ).
>
> So the Total Users will be 100 Users.
>
> i am going to install KTC.COM as the Forest Root Domain, & Install DNS
> server on one Machine and configure one Forward Zone with name of the
Forest
> Root Doamin which is ( KTC.COM) and this DNS server is the Root ( .) .
>
> and i found that its Working and the Forest Root is Working and the Domain
> Controller is Able to communicate with the Default DNS.
>
> All of 100 users in the Same Network with this IP-Address Schema (
> 192.168.1.X ) / 24.
>
> Now, i want to install the Domain ( MUX.COM) as New Domain Tree in the
> exsisting Forest  to share the same Exchange Box.
>
> so what i did is :-
>
> 1. Bring New Server.
> 2.Install Windows Advanced Server 2000 Enterprise edition.
> 3.Put this IP-Address 192.168.1.20 & the DNS For this server will be the
> Same which is 192.168.1.20.
> 4. Install the DNS on that Machine.
> 5.Run this Command ( DCPROMO).
>
> Here is the Problem, i found that , while i am trying to install the
domain,
> its display error message which is ( The Domain Controller for Domain
> KTC.COM, is Not available ).
>
> so when i face this situation, i said to my self, this is because the
Domain
> ( MUX) is unable to find the DNS and then unable to find the Domain
> Controller for KTC.
>
> ( Because the Role is , the Active Directory Clients - WinXP-PRO, Win
> Server, Win2000 Pro, Win98 ...ETC, should first ASK there DNS server to
Get
> from him the Specifc Resource Recourd , and in this Case i was installed
DNS
> on This Machine and i  made it as Root , which is Wronge ).
>
> So what i did is :-
> 1.uninstall the DNS server from the Domain ( MUX.COM )
> 2.Create Forward Lookup Zone with this Name ( MUX.COM).
> 3. Configure the Server to register him self in the DNS of the Domain
> KTC.COM ( By Changing the IP-Address of the Preferd DNS server, to be the
DNS
> server of the Domain KTC.COM , instead of MUX.COM ).
> 4. Run again  the DCPROMO Command .
>
> then i found that its working Perfect. without any problem and the Trust
> Relation ship is created automatically and the Users in Both Domains are
able
> to access each other .
>
> =====================================================
>
> My Questions is :-
>
> 1. Can the DNS Host Multiple Domains like My Situation , or Not ?
>
> 2. is there any Problems i will face it in the Future from this Design ,
> with One DNS Server and hosted Multiple Domains on it , and the clients
for
> MUX , will recorde them self only in MUX.COM Forward Lookup Zone, and the
> users of KTC.COM, will register them self in the KTC.COM Forward Lookup
Zone.
> , do you excepect any Problems in the Future ?
> =====================================================
> I tested it from The Clients which is they are register them self in The
> Forward Lookup Zone of the domain KTC.COM, by using the command NSLOOKUP,
and
> i found that they are able to commnuicate with the DNS server & can see
each
> other in this Forward Lookup Zone only  with the name of the Domain (
KTC.COM
> ), while they are unable to see any Resource for the domain ( MUX.COM ) at
> all, and the same situation for MUX.COM, they are able only to see the
> Resouce in the Domain MUX.COM only and unable to see the Resource in
KTC.COM.
>
> so do you think i am correct , or not ? Please Help ?
>
>

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