Computers not locate DC at cross forest migration scenario (testing purposes) RRS feed

  • Question

  • Hi,

    I need to create a testing cross forest migration environment.

    The scenario is the following:

    Domain A:

    • virtual network: NETA. DNS servers:, IP range:
    • domain name: domaina.local
    • 1 DC: Windows 2008 R2 SP1 (enterprise root CA too)

    Domain B:

    • virtual network: same above
    • domain name: domainb.local
    • 1 DC: Windows 2012 (enterprise root CA too)

    Joining a server to DomainA (to be a Ex2007): OK

    Joining a server to DomainB (to be a Ex2013): Fail. Cannot locate a DC in the domain DomainB. This is because the first DNS server at virtual network is (DomainA DC).

    I have tried creating another virtual network and connecting the DomainB VMs to this new virtual network. The I tried creating a new VM with 2 NICs (the idea was: first NIC conencted to first virtual network and second NIC conencted to second virtual network and install routing services between two virtual networks) but cannot create the second NIC.

    The questions are:

    It is possible to route traffic between virtual networks?

    If no

    How to create a cross forest migration environment like above?

    Thanks in advance!

    Wednesday, September 10, 2014 2:35 PM


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