Article ID: 2930294 - View products that this article applies to.
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Symptoms

Consider the following scenario:
  • You customize a Windows 8 or Windows Server 2012 image with added drivers and software.
  • You upgrade the system to Windows 8.1 or Windows Sever 2012 R2.
  • You run the system image backup function.
In this situation, you receive an error that indicates the recovery partition has insufficient space for the function.

Resolution

Update information

How to obtain the update

This update is applied when you upgrade to the release version of Windows 8.1 or Windows Server 2012 R2.

Update replacement information

This update does not replace any previously released update.

File information

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The global version of this update installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and the times may change when you perform certain operations on the files.
Windows RT 8.1, Windows 8.1 and Windows Server 2012 R2 file information notes
  • The files that apply to a specific product, milestone (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table:
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    VersionProductMilestoneService branch
    6.3.960 0.16xxxWindows RT 8.1, Windows 8 and Windows Server 2012 R2RTMGDR
  • GDR service branches contain only those fixes that are widely released to address widespread, critical issues. LDR service branches contain hotfixes in addition to widely released fixes.
  • The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are not listed
For Windows RT 8.1
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File nameFile versionFile sizeDateTimePlatform
Reagent.dll6.3.9600.16521716,13628-Jan-201414:47Not applicable
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For all supported x86-based versions of Windows 8.1
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File nameFile versionFile sizeDateTimePlatform
Reagent.dll6.3.9600.16521769,53628-Jan-201414:26x86
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For all supported x64-based versions of Windows 8.1 and Windows Server 2012 R2
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File nameFile versionFile sizeDateTimePlatform
Reagent.dll6.3.9600.16521915,45628-Jan-201408:18x64
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Workaround

If you have upgraded to Windows 8.1 or Windows Server 2012 R2, use one of the following workarounds to work around this issue.

Temporarily disable WinRE when taking a system image backup

Note WinRE will be disabled in the backup image. Therefore, you have to enable it after you do a system recovery from this image.
  1. Right-click the Start button, and then click Command Prompt (Admin) to open an elevated Command Prompt window.
  2. Disable WinRE by running the following command:
    reagentc /disable
  3. Run the system image backup function.
  4. Enable WinRE by running the following command:
    reagentc /enable

Manually re-create the WinRE partition

Note Depending on your disk layout, the exact steps may vary.
  1. Right-click the Start button, and then click Command Prompt (Admin) to open an elevated Command Prompt window.
  2. Disable WinRE by running the following command:
    reagentc /disable
  3. Start DiskPart by running the following command:
    diskpart
  4. To obtain summary information about each disk in the computer, run the following commands, and then select a disk:
    list disk
    Select disk 0
  5. From the "list partition" output, find the Recovery partition, and then note the current size of the partition.

    If there are multiple Recovery partitions, select the one that comes after drive C from Disk Management.
    DISKPART> list partition
    
    Partition ###  Type              Size     Offset
    -------------  ----------------  -------  -------
    Partition 1    Recovery           300 MB  1024 KB
    Partition 2    System             100 MB   301 MB
    Partition 3    Reserved           128 MB   401 MB
    Partition 4    Primary            885 GB   529 MB
  6. To delete the partition, run the following commands:
    select partition 1
    delete partition override
  7. Right-click the Start button, and then click Disk Management.
  8. Find the unallocated partition, and reduce the volume before it by 100 megabytes (MB) so that you have a free block that is 100 MB larger than the original recovery partition. If there is no volume before the free block, reduce any volume by 100 MB plus the original Recovery partition size. For example, reduce a volume by 400 MB in the earlier example. For more information about how to shrink a basic volume, go to the following Microsoft TechNet website: 
    Shrink a Basic Volume
  9. Right-click the unallocated partition, and then click New Simple Volume.
  10. Continue through the steps in the wizard, using the default settings, to create the new partition.
  11. To copy the WinRE image to the partition and enable WinRE, run the following commands: 
    mkdir  G:\Recovery\WindowsRE
    xcopy /h C:\Windows\System32\Recovery\Winre.wim G:\Recovery\WindowsRE
    reagentc /setreimage /path G:\Recovery\WindowsRE /target C:\Windows
    reagentc /enable
    del /a  C:\Windows\System32\Recovery\Winre.wim
    Note Inthese commands, it’s assumed that the new partition is assigned the letter G.
  12. To remove the drive letter and mark the partition as a recovery partition by using DiskPart, run the following commands:
    • For UEFI systems
      select disk 0
      select partition 1
      remove
      set id=de94bba4-06d1-4d40-a16a-bfd50179d6ac
      gpt attributes=0x8000000000000001
    • For BIOS systems
      select disk 0
      select partition 1
      set id=27
      remove
  13. Exit DiskPart.

Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

More information

For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates

Properties

Article ID: 2930294 - Last Review: May 23, 2014 - Revision: 6.0
Applies to
  • Windows 8.1
  • Windows 8.1 Enterprise
  • Windows 8.1 Pro
  • Windows RT 8.1
  • Windows Server 2012 R2 Datacenter
  • Windows Server 2012 R2 Essentials
  • Windows Server 2012 R2 Foundation
  • Windows Server 2012 R2 Standard
Keywords: 
kbfix atdownload kbexpertiseadvanced kbsurveynew KB2930294

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