Increasing system partition to accomodate windown 10 update


  1. r4dly
    Posts : 4
    windows 10
       New #1

    Increasing system partition to accomodate windows 10 update


    Hi,
    I'm trying to increase the System Reserved partition to accommodate the anniversary update of windows 10 but in between the OS partition and the System Reserved partition is another 128mb partition that I cannot label or resize, its full. So I can't add the space I've taken from the OS partition to the System Reserved partition. Does anyone know what the 128mb partition is? I thought about taking space from the Win RE tools partition but I don't really know how big this needs to be or how big the System Reserved partition needs to be to accommodate the update. I was going to make it 500mb.

    Any ideas?

    Increasing system partition to accomodate windown 10 update-2016-10-25.png
    Last edited by r4dly; 25 Oct 2016 at 12:45.
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  3. NavyLCDR
    Posts : 18,432
    Windows 11 Pro
       New #2

    I don't see any reason why you couldn't move the EFI system partition to the 401mb unallocated space after the infamous 128 MB Microsoft Reserved partition. Nothing requires the EFI system partition to be in any particular spot on the hard drive.

    P.S. - I've got 6 Windows 10 computers at my house with UEFI and GPT disks running just fine without that 128MB MSR partition. It's not 100% full. It's 100% unusable - that is what MiniTool is reporting.
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  4. r4dly
    Posts : 4
    windows 10
    Thread Starter
       New #3

    The partition program won't increase the size though so I assumed it would to be next to the allocated space on the drive map?
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  6. NavyLCDR
    Posts : 18,432
    Windows 11 Pro
       New #4

    r4dly said:
    The partition program won't increase the size though so I assumed it would to be next to the allocated space on the drive map?
    It won't increase the size of it until you move it to the 401mb unallocated space. Then you can increase the size to 401MB once it is moved into that space.
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  7. NavyLCDR
    Posts : 18,432
    Windows 11 Pro
       New #5

    You can read more here:
    https://www.partitionwizard.com/part...partition.html

    Down about half-way read here:
    Enlarge ESP Partition Under UEFI + GPT Boot Mode...
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  8. r4dly
    Posts : 4
    windows 10
    Thread Starter
       New #6

    NavyLCDR said:
    You can read more here:
    https://www.partitionwizard.com/part...partition.html

    Down about half-way read here:
    Enlarge ESP Partition Under UEFI + GPT Boot Mode...
    Kudos to you! I've been reading a lot of conflicting info about deleting the 128mb partition and that seems to have worked!

    Thanks for your swift help :)
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  9. NavyLCDR
    Posts : 18,432
    Windows 11 Pro
       New #7

    No problem . And for those who swear the MSR partition is 100% required on every GPT disk (because MS says so) - please note that I did not advise r4dly to delete it. I only posted a link to an article and stated the fact that I have 6 computers running just fine without it.
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  10. r4dly
    Posts : 4
    windows 10
    Thread Starter
       New #8

    NavyLCDR said:
    No problem . And for those who swear the MSR partition is 100% required on every GPT disk (because MS says so) - please note that I did not advise r4dly to delete it. I only posted a link to an article and stated the fact that I have 6 computers running just fine without it.
    Lol, I take full responsibility for my actions. I've been trying to get an answer from the MS forum for weeks and just go around in circles, they are very unhelpful.
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