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How to install Windows Server 2012 with GPT partition on a clean hard drive?

    Question

  • Hello,

    I'd like to know how to install Windows Server 2012 standard edition with GPT onto a clean hard drive disk which no partition yet? As I know the default OS installation is MBR partition, but if I want to the system partition is the GPT partition after Windows Server 2012 standard installation, how to do?

    Thanks,

    Jacky

    Friday, September 28, 2012 12:55 AM

Answers

  • Here's some reading material, looks like you need to master some new diskpart commands, in particular convert gpt.

    http://sepago.de/d/nicholas/2012/08/29/deplyoing-windows-server-2012-without-running-the-installer

    Convert gpt

    http://technet.microsoft.com/en-us/library/cc732165%28v=ws.10%29.aspx


    Don't forget to mark your posts as answered so they drop off the unanswered post filter. If I've helped you and you want to show your gratitude, just click that green thingy.

    Friday, September 28, 2012 11:41 AM
  • Hello,

    Your hardware needs to be EFI, check if there are any bios settings that allow you hardware to change to an EFI system.

    Setup checks if the hardware is EFI or using MBR and will install accordingly

    Hardware set for MBR will only boot to MBR disks

    Hardware set to EFI will only Boot GPT disks..

    So the hardware is determining what option is available for setup to use.


    Thanks, Darrell Gorter [MSFT] This posting is provided "AS IS" with no warranties, and confers no rights. VAMT - Volume Activation Management Tool - Download link http://www.microsoft.com/downloads/details.aspx?FamilyID=ec7156d2-2864-49ee-bfcb-777b898ad582&displaylang=en

    Tuesday, October 02, 2012 1:16 AM
  • Hello,

    If the hard drive is a "raw" drive. setup will make the disk a GPT disk, create all the needed volumes.

    The drive containing the OS directory "boot drive" will be the C drive, the drive containing the boot loader and BCD file "System drive" will not be assigned a drive letter.

    GPT or MBR is how the disk is configured, so it's not part of the format, it happens at a lower level.


    Thanks, Darrell Gorter [MSFT] This posting is provided "AS IS" with no warranties, and confers no rights. VAMT - Volume Activation Management Tool - Download link http://www.microsoft.com/downloads/details.aspx?FamilyID=ec7156d2-2864-49ee-bfcb-777b898ad582&displaylang=en

    Thursday, October 04, 2012 5:14 PM

All replies

  • Here's some reading material, looks like you need to master some new diskpart commands, in particular convert gpt.

    http://sepago.de/d/nicholas/2012/08/29/deplyoing-windows-server-2012-without-running-the-installer

    Convert gpt

    http://technet.microsoft.com/en-us/library/cc732165%28v=ws.10%29.aspx


    Don't forget to mark your posts as answered so they drop off the unanswered post filter. If I've helped you and you want to show your gratitude, just click that green thingy.

    Friday, September 28, 2012 11:41 AM
  • Hello,

    Your hardware needs to be EFI, check if there are any bios settings that allow you hardware to change to an EFI system.

    Setup checks if the hardware is EFI or using MBR and will install accordingly

    Hardware set for MBR will only boot to MBR disks

    Hardware set to EFI will only Boot GPT disks..

    So the hardware is determining what option is available for setup to use.


    Thanks, Darrell Gorter [MSFT] This posting is provided "AS IS" with no warranties, and confers no rights. VAMT - Volume Activation Management Tool - Download link http://www.microsoft.com/downloads/details.aspx?FamilyID=ec7156d2-2864-49ee-bfcb-777b898ad582&displaylang=en

    Tuesday, October 02, 2012 1:16 AM
  • Hi Gorter,

    Thanks for your reply, I understood that BIOS need to support EFI, but my question is if BIOS support EFI, also we have switched BIOS option to EFI mode, but what I'd like to know is, the Windows Server 2012 will install OS with GPT partition automatically? Do I need to change something to let OS installation to install OS with GPT?

    Thanks,

    Jacky

    Wednesday, October 03, 2012 5:35 AM
  • Hello,

    If the BIOS is EFI, you do not have to do anything special during setup.

    Setup will detect whether the system will support EFI and thus GPT drives only.


    Thanks, Darrell Gorter [MSFT] This posting is provided "AS IS" with no warranties, and confers no rights. VAMT - Volume Activation Management Tool - Download link http://www.microsoft.com/downloads/details.aspx?FamilyID=ec7156d2-2864-49ee-bfcb-777b898ad582&displaylang=en

    Wednesday, October 03, 2012 4:46 PM
  • Hi Gorter,

    So let me replay your answer, after I switch BIOS to uEFI mode then to install Windows Server 2012 with non-partitioned hard drive, then Windows Server 2012 will format hard drive with GPT but not MBR then install OS necessary files, after OS installation, the system partition(assume C:\) will be GPT but not MBR, is that right?

    Thanks,

    Jacky

    Thursday, October 04, 2012 1:27 AM
  • Hello,

    If the hard drive is a "raw" drive. setup will make the disk a GPT disk, create all the needed volumes.

    The drive containing the OS directory "boot drive" will be the C drive, the drive containing the boot loader and BCD file "System drive" will not be assigned a drive letter.

    GPT or MBR is how the disk is configured, so it's not part of the format, it happens at a lower level.


    Thanks, Darrell Gorter [MSFT] This posting is provided "AS IS" with no warranties, and confers no rights. VAMT - Volume Activation Management Tool - Download link http://www.microsoft.com/downloads/details.aspx?FamilyID=ec7156d2-2864-49ee-bfcb-777b898ad582&displaylang=en

    Thursday, October 04, 2012 5:14 PM