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Exchange + Hyper-V on same machine - can't choose which NIC gets used for Exchange

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  • Exchange + Hyper-V on same machine - can't choose which NIC gets used for Exchange

    Server 2008 x64 8GB fully patched, two physical NICs labeled "Internal" and "Hyper-V" along with the Hyper-V Virtual NIC.

    Internal: 192.168.1.149
    Configured with DNS registration and a DNS suffix
    Hyper-V Virtual NIC: 192.168.1.150
    Configured to NOT register DNS and NO DNS suffix
    Both are configured with the same 255.255.255.0 subnet mask
    Both are configured with the same gateway.

    Exchange should be using the .149 but seems to go out on .150. I can tell by the logs on our outside mail server. I have gone to the advanced network settings and made sure the .149 NIC is listed first.

    What can I do to make sure it goes out on .149 when traffic is initiated from the server?

    Thanks!
    Last edited by mvalpreda; 9th July 2009, 00:52. Reason: Added more info

  • #2
    Re: Exchange + Hyper-V on same machine - can't choose which NIC gets used for Exchang

    Are you running ISA server on the same box?

    Firstly you should ensure that the Nic on the parent partition in unbound from the virtual switch.

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