Vmware x64/x32 question

Posted on 2008-11-19
Last Modified: 2013-11-29

I have a Vmware ESX 3.5i server running on 64bit hardware.

Can I run 64-bit Windows 2003 Server ENTERPRISE guests from this server, and is there a limit on the memory I can assign?

Are any 64bit guest server VM's essentially the same as bare metal 64bit servers?

Question by:kam_uk
    LVL 23

    Accepted Solution


    Yes you can run a x64 bit VM on a x64 bit processor machine running ESX3i server. But ensure that the BIOS is VT enabled.

    A x64 bit VM is no different than x64 bare metal server and the memory limit would be the same as that of a bare metal server.

    But when it comes to assigning memory to a VM that generally depend on the Physical memory made available to your ESXi server

    LVL 42

    Assisted Solution

    I concur with the previous statement.  You will need a server with Intel VT or AMD AMD-V technology to run 64 bit guests.  

    For instance, a server running a CPU with EMT64 that doesn't have Intel VT will allow you to install a 64 bit OS but not run 64 bit guests.


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