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  • 1.  Windows 2003 32 Bit Standard - Hot Add - CPU and MEM Question

    Posted May 28, 2015 02:34 PM


    Hi -

    Can anyone confirm as to whether the CPU and MEM hot-add features of a 2003 Standard 32-BIT Guest OS is available?  This VM is an export from a ESXi 4.1 environment and imported into a ESXi 5.5 environment and the hot add  is disabled even when powered off and set to 1 socket.

    Thanks



  • 2.  RE: Windows 2003 32 Bit Standard - Hot Add - CPU and MEM Question

    Posted May 28, 2015 02:42 PM

    What is the virtual hardware version of the VM?  I believe hot-add was first implemented in virtual hardware version 7.



  • 3.  RE: Windows 2003 32 Bit Standard - Hot Add - CPU and MEM Question

    Posted May 28, 2015 02:44 PM

    The VM was upgraded to version 10 to after the import to the 5.5 vCenter.



  • 4.  RE: Windows 2003 32 Bit Standard - Hot Add - CPU and MEM Question

    Posted May 28, 2015 02:46 PM

    Check that the VM configuration file has the following entries:

    vcpu.hotadd = "TRUE"

    mem.hotadd = "TRUE"



  • 5.  RE: Windows 2003 32 Bit Standard - Hot Add - CPU and MEM Question

    Posted May 28, 2015 03:03 PM

    I'm not fully sure if CPU hot-plug works with Windows 2003 32bit, but hot-add RAM should be working as per VMWare Guest OS Compatibility Guide



  • 6.  RE: Windows 2003 32 Bit Standard - Hot Add - CPU and MEM Question

    Posted May 28, 2015 03:02 PM

    Windows Server 2003 Standard 32 bits don't support Hot Add, even on physical platform, this is a "limitation" of OS.

    vSphere Memory Hot Add/CPU Hot Plug » boche.net – VMware vEvangelist