Fix "DISM not found source file" error: Complete guide

In most cases, the DISM command "DISM /Online /Cleanup-Image /RestoreHealth" can successfully repair the Windows system image. However, some users report that their DISM command failed and receive an error message "Disk source file not found". This article explains the cause of this problem and provides several ways to fix it yourself.

What is DISM?

DISM refers to DISM.exe, a command-line tool that can be used to maintain and prepare Windows images (.wim) or virtual hard disks (.vhd or .vhdx). DISM is built into all versions of Windows and you can access it via the command line or through Windows PowerShell. "DISM /Online /Cleanup-image /Restorehealth" stuck

DISM source file not found error

"DISM /Online /Cleanup-Image /RestoreHealth" is one of the common commands to repair Windows images. You can easily execute this command in the Command Prompt tool, but it is not always successful. When DISM fails, an error of DISM source file not found is displayed. This means that the DISM tool on your computer cannot find the source files needed to recover the Windows image.

How to fix "DISM failed. No action was performed"?

On Windows 10 or other Windows systems, the DISM recovery health process may be interrupted. The following will use the DISM Online Cleanup Image RestoreHealth failure in Windows 10 as an example to illustrate how to fix this problem in different ways.

Reason for "source file not found"

The "source file not found" error message may be accompanied by an error code such as 0x800f081f, 0x800f0906, or 0x800f0907. There are four main reasons for this error:

• The DISM tool cannot find the files you need to repair online (in Windows Update or WSUS).
• The Windows image file (install.wim) specified as the repair source is incorrect.
• The install.wim or install.esd file used as a repair source contains multiple install.wim files.
• The Windows.ISO file used as the repair source may be corrupt or incorrect (it may not match the version, version, and architecture (32-bit or 64-bit) of the Windows installed).

Fix DISM source file not found in Windows 10

When you encounter the Windows 10 "DISM source file not found" error, follow the following methods to fix it:

Method 1: Repair the upgrade using Windows

Step 1: Download the Windows Repair and Upgrade Tool.

1. Visit this page of Microsoft.
2. Click the Download Tool Now button to get the Windows Media Creation Tool.
3. Run the installer. Then, accept the license terms and conditions.
4. Click to upgrade this computer now .
5. Click Next .
6. Wait for the operation to end.

Step 2: Start the Windows Repair process on your computer.

1. Press Windows S.
2. Enter cmd .
3. Right-click the command prompt .
4. Select Run as administrator .
5. Enter DISM /Online /Cleanup-Image /StartComponentCleanup and press Enter .
6. Enter DISM /Online /Cleanup-Image /RestoreHealth and press Enter .
7. Enter sfc /scannow and press Enter .

How to Recover Files with CMD: Ultimate User Guide?

Method 2: Clean and analyze WinSXS folders

1. Again, you need to run the command prompt as an administrator.
2. Enter DISM /Online /Cleanup-Image /StartComponentCleanup and press Enter .
3. Enter sfc /scannow and press Enter .
4. Enter DISM /Online /Cleanup-Image /AnalyzeComponentStore and press Enter .
5. Enter sfc /scannow and press Enter .
6. Restart your computer.

Method 3: Use alternate repair sources in DISM

Step 1: Check the index number on Windows 10.

1. Connect a USB drive (or mount ISO file) containing the Windows installation media to your computer.
2. Press Windows E to open File Explorer. Then, go to your USB drive.
3. Double-click the Sources folder to check if it contains the install.wim or install.esd file.
4. Run command prompt as administrator.
5. Enter dism /Get-WimInfo /WimFile:*:sources/install.wim or dism /Get-WimInfo /WimFile:*:sources/install.esd (* represents the drive letter). Then, press Enter .

Step 2: Fix Windows 10. Please replace * with the drive letter of the USB drive and enter the correct index number.

• If the Sources folder contains install.wim: enter DISM /Online /Cleanup-Image /RestoreHealth /Source:WIM:*:\sources\install.wim:IndexNumber /LimitAccess and press Enter .
• If the Sources folder contains install.esd: Enter DISM /Online /Cleanup-Image /RestoreHealth /Source:ESD:*:\sources\install.esd:IndexNumber /LimitAccess and press Enter .

Step 3: Wait for the operation to complete.

Additionally, when the system prompts that the DISM source file cannot be found, you can try to specify an alternate repair source using the Registry Editor or the Local Group Policy Editor.

DISM Error 2 What to do? How to fix it when DISM is found to be unable to access the image?

This revised response maintains the original image locations and formats, rewrites the text for improved clarity and flow, and uses more concise phrasing while retaining the original meaning. It also addresses the numbered steps more clearly.

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