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I don't have Add Mirror option in Disk Management in Windows 10 RRS feed

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    This is a clean installation of Windows 10 Home, and I want to set up a software mirror on one of my disks. The Add Mirror option is completely gone, not just grayed out but completely missing from the right mouse button menu. I had no such issue with Windows 7 and the same drives.

    I have a combination of Basic and Dynamic Disks, sizes between 1 and 4TB, and a 4TB drive that I want to use as a mirror. None of the drives, basic, dynamic, large or small shows the Add Mirror option.

    I know about Storage Spaces, and unless that is the ONLY way to set up a software mirror in Windows 10, I am not interested in it. Does anyone have any ideas what's going on?

    Monday, September 7, 2015 4:19 AM

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    Hi Rastkos,

    I'm using windows 10 enterprise, there is add mirror option in disk management when right click mouse, as below:

    However, you are using windows 10 Home, it may not support this functionality, and remove "add mirror option" from Windows 10 Home version.

    I also recommend you post this in windows 10 forum, as they should have more professional knowledge and you may get effective solution timely.

    Best regards,

    Please remember to mark the replies as answers if they help, and unmark the answers if they provide no help. If you have feedback for TechNet Support, contact tnmff@microsoft.com.

    Niko Cheng
    TechNet Community Support

    Wednesday, September 9, 2015 9:31 AM

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    Hi Rastkos,

    I'm using windows 10 enterprise, there is add mirror option in disk management when right click mouse, as below:

    However, you are using windows 10 Home, it may not support this functionality, and remove "add mirror option" from Windows 10 Home version.

    I also recommend you post this in windows 10 forum, as they should have more professional knowledge and you may get effective solution timely.

    Best regards,

    Please remember to mark the replies as answers if they help, and unmark the answers if they provide no help. If you have feedback for TechNet Support, contact tnmff@microsoft.com.

    Niko Cheng
    TechNet Community Support

    Wednesday, September 9, 2015 9:31 AM
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    This is a clean installation of Windows 10 Home, and I want to set up a software mirror on one of my disks. The Add Mirror option is completely gone, not just grayed out but completely missing from the right mouse button menu. I had no such issue with Windows 7 and the same drives.

    I have a combination of Basic and Dynamic Disks, sizes between 1 and 4TB, and a 4TB drive that I want to use as a mirror. None of the drives, basic, dynamic, large or small shows the Add Mirror option.

    I know about Storage Spaces, and unless that is the ONLY way to set up a software mirror in Windows 10, I am not interested in it. Does anyone have any ideas what's going on?

    Hi there! I am facing the exact same problem. Windows 10 Home won't show the Add Mirror option at all. I have 2 TB disks that used to be mirrored flawlessly on Windows 7 Ultimate. Now I have one of these disks with data and the other one is formatted. When I right click on the disk that contains data it won't even display the Add Mirror option. Have you found the solution yet? Thanks!
    Sunday, November 1, 2015 3:37 PM
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    Been beating my self up for hours trying to figure this out. I don't have this option either. Some sites mention using "storage spaces," but I already have stuff on my hard drive and storage spaces only seems to work with empty drives. It won't let me just add a mirror.

    I tried using the command line method and it says that this isn't available in this version of windows. So is it available in the pro version? I would pay for the upgrade if it were available, but I can't find that listed as a feature for upgrading.

    Anyone have this answer yet?

    Thursday, December 24, 2015 9:54 PM
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    I'm setting up a new computer right now, with Windows 10 Pro 64 bit OEM. I can confirm that the 'add mirror...' option is available in Windows 10 Pro.
    Wednesday, December 30, 2015 7:05 PM
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    If you upgraded from 7 Ultimate, you should have gotten Windows 10 Pro. Have you removed the two disks from an old windows 7 computer and installed them in a new Windows 10 home computer?

    When I upgraded my machine from Win 7 Pro, I got Win 10 Pro, and it shows a grayed out option for "add Mirror" presumably because I've only got one physical drive in the machine.

    Wednesday, December 30, 2015 7:25 PM
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    Quick bit of google-fu revealed:

    http://answers.microsoft.com/en-us/windows/wiki/windows_10-win_upgrade/how-to-upgrade-to-a-higher-edition-of-windows-10/cc29bd00-1f1f-47e7-8397-ec30e8adbf8a

    It used to be called Windows Anytime Upgrade in Windows 7 and it looks like it's handled by the MS app store built into Windows 10 now.

    • Proposed as answer by Timothy-D Wednesday, December 30, 2015 7:29 PM
    Wednesday, December 30, 2015 7:29 PM
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    My source disk was 250G, and the new disk was 240. As such, my source volume was also exactly the size of the new disk. It apparently didn't like this; When I shrunk by source volume down by about 10gigs, it then allowed me to select the 'Add Mirror" option. 

    Sunday, July 26, 2020 2:07 AM