Windows 10: windows 10 Anniversary upgrade created a recovery partition Solved

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  1.    06 Aug 2016 #1

    windows 10 Anniversary upgrade created a recovery partition


    Hi ,
    after windows 10 anniversary upgrade installation i ran Disk Management and found a new created Recovery Partition as shown in picture . 845 MB , Healthy (Recovery partition). Is it necessary or can I delete it ?
    The Upgrade installation has been absolutely successful , no problem at all.
    Click image for larger version. 

Name:	2016_08_06_14_04_541.png 
Views:	119 
Size:	15.4 KB 
ID:	94506
      My ComputerSystem Spec

  2.    06 Aug 2016 #2

    You can check which recovery partition is registered with the command reagentc /info from elevated command prompt. You'll see something like this:
    Code:
    Microsoft Windows [Version 10.0.14393]
    (c) 2016 Microsoft Corporation. All rights reserved.
    
    C:\Windows\system32>reagentc /info
    Windows Recovery Environment (Windows RE) and system reset configuration
    Information:
    
        Windows RE status:         Enabled
        Windows RE location:       \\?\GLOBALROOT\device\harddisk0\partition1\Recovery\WindowsRE
        Boot Configuration Data (BCD) identifier: 3d8f8337-bc56-11e5-a7c5-85493d747884
        Recovery image location:
        Recovery image index:      0
        Custom image location:
        Custom image index:        0
    
    REAGENTC.EXE: Operation Successful.
    
    
    C:\Windows\system32>
    To find which partition the number above you need to check diskpart as disk management doesn't show all partitions (the MSR partition specifically which is partition 3 normally). Again from elevated command prompt:
    Code:
    C:\Windows\system32>diskpart
    
    Microsoft DiskPart version 10.0.14393.0
    
    Copyright (C) 1999-2013 Microsoft Corporation.
    On computer: WIN10
    
    DISKPART> select disk 0
    
    Disk 0 is now the selected disk.
    
    DISKPART> list par
    
      Partition ###  Type              Size     Offset
      -------------  ----------------  -------  -------
      Partition 1    Recovery           500 MB    20 KB
      Partition 2    System             200 MB   500 MB
      Partition 3    Reserved            16 MB   701 MB
      Partition 4    Primary             32 GB   717 MB
      Partition 5    Primary             55 GB    33 GB
      Partition 6    Unknown             23 GB    88 GB
      Partition 7    Unknown            619 MB   112 GB

    Perhaps it made a new one as 401MB is not big enough - normally it is 500MB AFAIK.
    Last edited by lx07; 06 Aug 2016 at 09:45. Reason: Added diskpart
      My ComputerSystem Spec


  3. Posts : 1,754
    Windows 10 Home x64 (Laptop), Windows 10 Pro x64 (Desktop)
       07 Aug 2016 #3

    babis49 said: View Post
    Hi ,
    after windows 10 anniversary upgrade installation i ran Disk Management and found a new created Recovery Partition as shown in picture . 845 MB , Healthy (Recovery partition). Is it necessary or can I delete it ?
    The Upgrade installation has been absolutely successful , no problem at all.
    Click image for larger version. 

Name:	2016_08_06_14_04_541.png 
Views:	119 
Size:	15.4 KB 
ID:	94506
    I just upgraded my laptop and I have no additional partition (see Partition Magic disk map below). Are you sure that recovery partition wasn't already present?
    Click image for larger version. 

Name:	Map.JPG 
Views:	2 
Size:	101.0 KB 
ID:	94645
      My ComputerSystem Spec

  4.    07 Aug 2016 #4

    Steve C said: View Post
    I just upgraded my laptop and I have no additional partition (see Partition Magic disk map below). Are you sure that recovery partition wasn't already present?
    Hi Steve, I didn't get one either. I think the reason is that my recovery partition is 500MB and yours is 450MB. The OP had a recovery partition of 401MB. According to System builder deployment of Windows 10 for desktop editions
    • If the partition is less than 500 MB, it must have at least 50 MB of free space.
    • If the partition is 500 MB or larger, it must have at least 320 MB of free space.
    • If the partition is larger than 1 GB, we recommend that it should have at least 1 GB free.
    As Winre is (according to your picture) 354.21MB this might explain it - there wasn't enough free space for the required 50MB free space. This is only a guess though.

    Anyway reagentc /info will show the registered Winre.wim and if the new partition (probably 5 for the OP) isn't being used it could be deleted. If it is then partition 1 could be deleted - you just don't want to delete the partition with the registered RE image really
      My ComputerSystem Spec

  5.    07 Aug 2016 #5

    lx07 said: View Post
    You can check which recovery partition is registered with the command reagentc /info from elevated command prompt. You'll see something like this:
    Code:
    Microsoft Windows [Version 10.0.14393]
    (c) 2016 Microsoft Corporation. All rights reserved.
    
    C:\Windows\system32>reagentc /info
    Windows Recovery Environment (Windows RE) and system reset configuration
    Information:
    
        Windows RE status:         Enabled
        Windows RE location:       \\?\GLOBALROOT\device\harddisk0\partition1\Recovery\WindowsRE
        Boot Configuration Data (BCD) identifier: 3d8f8337-bc56-11e5-a7c5-85493d747884
        Recovery image location:
        Recovery image index:      0
        Custom image location:
        Custom image index:        0
    
    REAGENTC.EXE: Operation Successful.
    
    
    C:\Windows\system32>
    To find which partition the number above you need to check diskpart as disk management doesn't show all partitions (the MSR partition specifically which is partition 3 normally). Again from elevated command prompt:
    Code:
    C:\Windows\system32>diskpart
    
    Microsoft DiskPart version 10.0.14393.0
    
    Copyright (C) 1999-2013 Microsoft Corporation.
    On computer: WIN10
    
    DISKPART> select disk 0
    
    Disk 0 is now the selected disk.
    
    DISKPART> list par
    
      Partition ###  Type              Size     Offset
      -------------  ----------------  -------  -------
      Partition 1    Recovery           500 MB    20 KB
      Partition 2    System             200 MB   500 MB
      Partition 3    Reserved            16 MB   701 MB
      Partition 4    Primary             32 GB   717 MB
      Partition 5    Primary             55 GB    33 GB
      Partition 6    Unknown             23 GB    88 GB
      Partition 7    Unknown            619 MB   112 GB

    Perhaps it made a new one as 401MB is not big enough - normally it is 500MB AFAIK.
    Hi , Ix07
    following your instructions I 've got this below
    Click image for larger version. 

Name:	2016_08_07_08_14_311.png 
Views:	4 
Size:	50.8 KB 
ID:	94655
      My ComputerSystem Spec

  6.    07 Aug 2016 #6

    babis49 said: View Post
    Hi , Ix07
    following your instructions I 've got this below
    That shows the new partition is being used as your recovery partition. You should not delete it.

    You could delete partition 1 and move partition 2 and 3 to the left. You can't do it with MS utilities - you'd have to use something like Partition Wizard

    For 401MB I'd not bother - it is not so much space really - but if you could.
      My ComputerSystem Spec

  7.    07 Aug 2016 #7

    babis49 said: View Post
    Hi , Ix07
    following your instructions I 've got this below
    Click image for larger version. 

Name:	2016_08_07_08_14_311.png 
Views:	4 
Size:	50.8 KB 
ID:	94655
    using the EaseUs Partition Master free edition , I've got this
    Click image for larger version. 

Name:	2016_08_07_08_35_562.png 
Views:	3 
Size:	33.0 KB 
ID:	94661

    Click image for larger version. 

Name:	2016_08_07_08_38_403.png 
Views:	89 
Size:	16.3 KB 
ID:	94663
      My ComputerSystem Spec

  8.    07 Aug 2016 #8

    lx07 said: View Post
    That shows the new partition is being used as your recovery partition. You should not delete it.

    You could delete partition 1 and move partition 2 and 3 to the left. You can't do it with MS utilities - you'd have to use something like Partition Wizard

    For 401MB I'd not bother - it is not so much space really - but if you could.
    thanks a lot Ix07 for your help
    in order to highlight the matter it is worth to mention the following :
    when I create a backup using windows 7 included program omits partition 1 ( WINRE 401 MB ....) although Macrium Reflect and Acronis True Image don't . So, when restore from a System Image (backup) windows 7 backup program
    fails , but Macrium Reflect and Acronis True Image restore successfully .
      My ComputerSystem Spec

  9.    07 Aug 2016 #9

    babis49 said: View Post
    thanks a lot Ix07 for your help
    in order to highlight the matter it is worth to mention the following :
    when I create a backup using windows 7 included program omits partition 1 ( WINRE 401 MB ....) although Macrium Reflect and Acronis True Image don't . So, when restore from a System Image (backup) windows 7 backup program
    fails , but Macrium Reflect and Acronis True Image restore successfully .
    Does not surprise me - the Windows 7 tool has not been developed for years (clue is in the name). The 3rd party apps are just so superior.
      My ComputerSystem Spec

  10.    07 Aug 2016 #10

    cereberus said: View Post
    Does not surprise me - the Windows 7 tool has not been developed for years (clue is in the name). The 3rd party apps are just so superior.
    Quite so - and it was only in 1511 that it was recommended WinRE came after C. Always in the past it was recommended (had to be perhaps?) before C. Not surprising Win 7 backup gets confused.
      My ComputerSystem Spec


 
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