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Repair-WindowsImage

Windows Server 2012 R2 and Windows 8.1

Updated: June 4, 2014

Applies To: Windows 8.1, Windows PowerShell 4.0, Windows Server 2012 R2

Repair-WindowsImage

Repairs a Windows image in a WIM or VHD file.

Syntax

Parameter Set: Offline
Repair-WindowsImage -Path <String> [-CheckHealth] [-LimitAccess] [-LogLevel <LogLevel> ] [-LogPath <String> ] [-NoRestart] [-RestoreHealth] [-ScanHealth] [-ScratchDirectory <String> ] [-Source <String[]> ] [-SystemDrive <String> ] [-WindowsDirectory <String> ] [ <CommonParameters>]

Parameter Set: Online
Repair-WindowsImage -Online [-CheckHealth] [-LimitAccess] [-LogLevel <LogLevel> ] [-LogPath <String> ] [-NoRestart] [-RestoreHealth] [-ScanHealth] [-ScratchDirectory <String> ] [-Source <String[]> ] [-SystemDrive <String> ] [-WindowsDirectory <String> ] [ <CommonParameters>]




Detailed Description

The Repair-WindowsImage cmdlet repairs a Windows image in a WIM or VHD file.

Use the Online parameter to specify the running operating system on your local computer, or use the Path parameter to specify the location of a mounted Windows image.

The LimitAccess parameter prevents access to Windows Update (WU) as a Source for repairing online images.

The CheckHealth parameter checks whether the image has been flagged as corrupted by a failed process and whether the corruption can be repaired.

The ScanHealth parameter scans the image for component store corruption. This operation will take several minutes.

The RestoreHealth parameter scans the image for component store corruption, and then performs repair operations automatically. This operation will take several minutes.

The Source parameter specifies the location of known good versions of files that can be used for the repair, such as a path to the root directory of a mounted image.

CheckHealth, ScanHealth, RestoreHealth, Source, and LimitAccess can only be used when servicing images that are running at least Windows® 8 or Windows Server® 2012.

Parameters

-CheckHealth

Checks whether the image has been flagged as corrupted by a failed process and whether the corruption can be repaired.


Aliases

none

Required?

false

Position?

named

Default Value

none

Accept Pipeline Input?

true (ByValue, ByPropertyName)

Accept Wildcard Characters?

false

-LimitAccess

Prevents DISM from contacting Windows Update (WU) when searching for the source files to repair an online image.

LimitAccess can only be used when servicing images that are running at least Windows® 8, Windows Server® 2012, or Windows® Preinstallation Environment (Windows PE) 4.0.


Aliases

none

Required?

false

Position?

named

Default Value

none

Accept Pipeline Input?

true (ByValue, ByPropertyName)

Accept Wildcard Characters?

false

-LogLevel<LogLevel>

Specifies the maximum output level shown in the logs. The default log level is 3. The accepted values are as follows:1 = Errors only2 = Errors and warnings3 = Errors, warnings, and information4 = All of the information listed previously, plus debug output


Aliases

none

Required?

false

Position?

named

Default Value

none

Accept Pipeline Input?

true (ByValue, ByPropertyName)

Accept Wildcard Characters?

false

-LogPath<String>

Specifies the full path and file name to log to. If not set, the default is %WINDIR%\Logs\Dism\dism.log.In Windows PE, the default directory is the RAMDISK scratch space which can be as low as 32 MB. The log file will automatically be archived. The archived log file will be saved with .bak appended to the file name and a new log file will be generated. Each time the log file is archived the .bak file will be overwritten. When using a network share that is not joined to a domain, use the net use command together with domain credentials to set access permissions before you set the log path for the DISM log.


Aliases

none

Required?

false

Position?

named

Default Value

none

Accept Pipeline Input?

true (ByValue, ByPropertyName)

Accept Wildcard Characters?

false

-NoRestart

Suppresses reboot. If a reboot is not required, this command does nothing. This option will keep the application from prompting for a restart or keep it from restarting automatically.


Aliases

none

Required?

false

Position?

named

Default Value

none

Accept Pipeline Input?

true (ByValue, ByPropertyName)

Accept Wildcard Characters?

false

-Online

Specifies that the action is to be taken on the operating system that is currently running on the local computer.


Aliases

none

Required?

true

Position?

named

Default Value

none

Accept Pipeline Input?

true (ByValue, ByPropertyName)

Accept Wildcard Characters?

false

-Path<String>

Specifies the full path to the root directory of the offline Windows image that you will service. If the directory named Windows is not a subdirectory of the root directory, -WindowsDirectory must be specified.


Aliases

none

Required?

true

Position?

named

Default Value

none

Accept Pipeline Input?

true (ByValue, ByPropertyName)

Accept Wildcard Characters?

false

-RestoreHealth

Scans the image for component store corruption, and then performs repair operations automatically. This operation will take several minutes.


Aliases

none

Required?

false

Position?

named

Default Value

none

Accept Pipeline Input?

true (ByValue, ByPropertyName)

Accept Wildcard Characters?

false

-ScanHealth

Scans the image for component store corruption. This operation will take several minutes.


Aliases

none

Required?

false

Position?

named

Default Value

none

Accept Pipeline Input?

true (ByValue, ByPropertyName)

Accept Wildcard Characters?

false

-ScratchDirectory<String>

Specifies a temporary directory that will be used when extracting files for use during servicing. The directory must exist locally. If not specified, the \Windows\%Temp% directory will be used, with a subdirectory name of a randomly generated hexadecimal value for each run of DISM. Items in the scratch directory are deleted after each operation. You should not use a network share location as a scratch directory to expand a package (.cab or .msu file) for installation. The directory used for extracting files for temporary usage during servicing should be a local directory.


Aliases

none

Required?

false

Position?

named

Default Value

none

Accept Pipeline Input?

true (ByValue, ByPropertyName)

Accept Wildcard Characters?

false

-Source<String[]>

Specifies the location of the files that are required to repair an image. You can specify the Windows directory of a mounted image or a running Windows installation that is shared on the network.

If you specify multiple Source arguments, the files are gathered from the first location where they are found and the rest of the locations are ignored. Separate source locations with a comma.

If you do not specify a Source, the default location set by Group Policy is used. Windows Update (WU) is also used for online images.

Source can only be used when servicing images that are running at least Windows® 8 or Windows Server® 2012.


Aliases

none

Required?

false

Position?

named

Default Value

none

Accept Pipeline Input?

true (ByValue, ByPropertyName)

Accept Wildcard Characters?

false

-SystemDrive<String>

Specifies the path to the location of the BootMgr files. This is necessary only when the BootMgr files are located on a partition other than the one that you are running the command from. Use -SystemDrive to service an installed Windows image from a Windows PE environment.


Aliases

none

Required?

false

Position?

named

Default Value

none

Accept Pipeline Input?

true (ByValue, ByPropertyName)

Accept Wildcard Characters?

false

-WindowsDirectory<String>

Specifies the path to the Windows directory relative to the image path. This cannot be the full path to the Windows directory; it should be a relative path. If not specified, the default is the Windows directory in the root of the offline image directory.


Aliases

none

Required?

false

Position?

named

Default Value

none

Accept Pipeline Input?

true (ByValue, ByPropertyName)

Accept Wildcard Characters?

false

<CommonParameters>

This cmdlet supports the common parameters: -Verbose, -Debug, -ErrorAction, -ErrorVariable, -OutBuffer, and -OutVariable. For more information, see    about_CommonParameters.

Inputs

The input type is the type of the objects that you can pipe to the cmdlet.

  • System.String[]
  • Microsoft.Dism.Commands.ImageObject
  • Microsoft.Dism.Commands.ImageInfoObject
  • Microsoft.Dism.Commands.MountedImageInfoObject

Outputs

The output type is the type of the objects that the cmdlet emits.

  • Microsoft.Dism.Commands.ImageObjectWithState

Examples

Example 1

This command scans the specified image for component store corruption.


PS C:\> Repair-WindowsImage -Path C:\offline\Mount -ScanHealth

Example 2

This command checks whether the specified image has been flagged as corrupted by a failed process and whether the corruption can be repaired


PS C:\> Repair-WindowsImage -Path C:\offline\Mount -CheckHealth

Example 3

This command scans the specified image for component store corruption, and then performs repair operations automatically


PS C:\> Repair-WindowsImage –Online -RestoreHealth -Source C:\Mounted\VHD\Windows\WinSxS, C:\Windows\TEMP -LimitAccess

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