Trust after migration

Discussion in 'Server Migration' started by Hugo, Nov 10, 2009.

  1. Hugo

    Hugo Guest

    Hi everyone !

    We have DomainA and DomainB with a single oneway non-transitiv-trust
    (DomainB trust DomainA). The process of upgrading DomainA from Windows 2003
    to Windows2008 is about to finish... But I have one problem... When I try to
    shutdown the last Windows 2003 DC (the one that has FSMO role before the
    upgrade processe, but no longuer has it)... Users are not able to logon to
    DomainA from a computer on DomainB. If I reboot the Win2k3 DC... All work
    fine again !!!

    What can I do to configure DomainB to contact news DC's on DomainA

    Any idea ?

    Sorry for my poor english !

    Hugo, Nov 10, 2009
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  2. Hello Hugo,

    Make sure you have an available DNS server and that it is configured with
    the correct DNS server from the other domain, sounds that DNS is the problem.
    How is DNS configured for your trust now?

    Also make sure in the upgraded domain a Global catalog server is available
    and the 2008 firewall(enabled by default) is not blocking traffic between
    the domains.

    Best regards

    Meinolf Weber
    Meinolf Weber [MVP-DS], Nov 10, 2009
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  3. Hugo

    Hugo Guest

    Hello !

    Here is additionnal informations :

    DC1 is my old DC on Windows 2003. DC2 and DC3 are my new Windows 2008 DC.
    FSMO role were transfered from DC1 to DC2... DC1, DC2 and DC3 are GC and DNS

    Firewalls are enabled and allow any-any traffic on DC2 and DC3

    It seem there is no DNS problem ...

    What do you mean by "How is DNS configured for your trust now ?"

    Thank you !

    Hugo, Nov 16, 2009
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