how to connect two dc's of different domains

Discussion in 'Server Networking' started by Mr Computer, Aug 23, 2007.

  1. Mr Computer

    Mr Computer Guest

    I have two domain controllers running windows 2003 server. Assuming, 1 is
    1.local and 2 is 2.local. They are both private organizations in the same
    tcp/ip stack. Now they want to merge and share information. I assume I need
    to create a trust. Does anything need to be done with DNS? How about with the
    clients from either domain?
    These domains are two separate forests.

    Any help would be greatly appreciated.
     
    Mr Computer, Aug 23, 2007
    #1

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  2. Mr Computer

    Mathieu CHATEAU Guest

    hello,

    what do you mean by "in the same tcp/ip stack" ? same subnet ?

    You will have to make each domain be able to resolve the other, by
    configuring zone transfer or forward.
    Then you will make a trust between both.

    1/ what do you want to access from the other domain ?
    2/check the clock between domains (<5 mn)
     
    Mathieu CHATEAU, Aug 23, 2007
    #2

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  3. Mr Computer

    Mr Computer Guest

    Yes, same subnet. Which is more efficient? I prefer a forward, but have never
    done either. How is this done?

    Do you mean to make both clocks the same time???
     
    Mr Computer, Aug 23, 2007
    #3
  4. Mr Computer

    Mathieu CHATEAU Guest

    Are they on the same lan (vlan / switch) or separated by firewall ?
    Same time means that both domain clock must be near in time. No more than 5
    minutes between computers of both domains
     
    Mathieu CHATEAU, Aug 23, 2007
    #4
  5. Mr Computer

    Mr Computer Guest

    Yes same switch.

     
    Mr Computer, Aug 23, 2007
    #5
  6. Mr Computer

    Mathieu CHATEAU Guest

    ok, i was afraid of firewall and duplicate network address.

    Should be ok
     
    Mathieu CHATEAU, Aug 23, 2007
    #6
  7. Mr Computer

    Mr Computer Guest

    How do you setup a forward? Does it need to be setup on both dcs?
     
    Mr Computer, Aug 23, 2007
    #7
  8. Mr Computer

    Mathieu CHATEAU Guest

    You should do it on all dns server of both domain

    On the DNS MMC, right click property on the server,
    forwarders tab
    new
    type in the dns domain of the other AD domain
    add the IP of the other domain dns servers

    Do the same on all dns server on both side

    then test dns resolution
     
    Mathieu CHATEAU, Aug 23, 2007
    #8
  9. Mr Computer

    Mr Computer Guest

    Thanks!

     
    Mr Computer, Aug 23, 2007
    #9
  10. Mr Computer

    Rashid Iqbal Guest

    I want to connect two domain controllers both domain controllers present on same location, office but on different subnets
    explained below:

    abc.com
    OS: windows 2003
    IP: 192.168.xx.x/24
    Gateway: 192.168.xx.xx [*ip of the DSL router]

    ****************


    xyz.com
    OS: windows 2003
    hosted in VMWare
    IP: 192.168.xx.x/24
    gateway: 192.168.xx.x [*ip of the router]


    *both IPs are from the same router

    How can I connect two domains and share the resources with each other.

    Regards,

    Rashid




    Mathieu CHATEAU wrote:

    You should do it on all dns server of both domainOn the DNS MMC, right click
    23-Aug-07

    You should do it on all dns server of both domain

    On the DNS MMC, right click property on the server,
    forwarders tab
    new
    type in the dns domain of the other AD domain
    add the IP of the other domain dns servers

    Do the same on all dns server on both side

    then test dns resolution

    --
    Cordialement,
    Mathieu CHATEAU
    http://lordoftheping.blogspot.com



    Previous Posts In This Thread:

    how to connect two dc's of different domains
    I have two domain controllers running windows 2003 server. Assuming, 1 is
    1.local and 2 is 2.local. They are both private organizations in the same
    tcp/ip stack. Now they want to merge and share information. I assume I need
    to create a trust. Does anything need to be done with DNS? How about with the
    clients from either domain?
    These domains are two separate forests.

    Any help would be greatly appreciated.

    hello,what do you mean by "in the same tcp/ip stack" ? same subnet ?
    hello,

    what do you mean by "in the same tcp/ip stack" ? same subnet ?

    You will have to make each domain be able to resolve the other, by
    configuring zone transfer or forward.
    Then you will make a trust between both.

    1/ what do you want to access from the other domain ?
    2/check the clock between domains (<5 mn)

    --
    Cordialement,
    Mathieu CHATEAU
    http://lordoftheping.blogspot.com



    Yes, same subnet. Which is more efficient?
    Yes, same subnet. Which is more efficient? I prefer a forward, but have never
    done either. How is this done?

    Do you mean to make both clocks the same time???

    :

    Are they on the same lan (vlan / switch) or separated by firewall ?
    Are they on the same lan (vlan / switch) or separated by firewall ?
    Same time means that both domain clock must be near in time. No more than 5
    minutes between computers of both domains

    --
    Cordialement,
    Mathieu CHATEAU
    http://lordoftheping.blogspot.com



    Re: how to connect two dc's of different domains
    Yes same switch.

    :

    ok, i was afraid of firewall and duplicate network address.
    ok, i was afraid of firewall and duplicate network address.

    Should be ok

    --
    Cordialement,
    Mathieu CHATEAU
    http://lordoftheping.blogspot.com

    How do you setup a forward? Does it need to be setup on both dcs?
    How do you setup a forward? Does it need to be setup on both dcs?

    :

    You should do it on all dns server of both domainOn the DNS MMC, right click
    You should do it on all dns server of both domain

    On the DNS MMC, right click property on the server,
    forwarders tab
    new
    type in the dns domain of the other AD domain
    add the IP of the other domain dns servers

    Do the same on all dns server on both side

    then test dns resolution

    --
    Cordialement,
    Mathieu CHATEAU
    http://lordoftheping.blogspot.com



    Re: how to connect two dc's of different domains
    Thanks!

    :

    Conect two domain controllers
    I want to connect two domain controllers both domain controllers present on same location, office but on different subnets
    explained below:

    abc.com
    OS: windows 2003
    IP: 192.168.xx.x/24
    Gateway: 192.168.xx.xx [*ip of the DSL router]

    ****************


    xyz.com
    OS: windows 2003
    hosted in VMWare
    IP: 192.168.xx.x/24
    gateway: 192.168.xx.x [*ip of the router]


    *both IPs are from the same router

    How can I connect two domains and share the resources with each other.

    Regards,

    Rashid


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    Rashid Iqbal, Jun 2, 2010
    #10

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