Resolving Error 0x800f081f: Missing Source Files in Windows Server 2022

The 0x800f081f error is frequently encountered during Windows Server 2022 feature installations or updates due to missing source files. Here’s a guide to address this issue:

1. Verify internet connectivity: Confirm that the server is connected to a reliable internet source. If disconnected, establish an internet connection and retry the operation.


2. Utilise the DISM tool: Employ the Deployment Image Servicing and Management (DISM) tool to fix the Windows image. Steps include:

a. Launch Command Prompt with administrative rights.
b. Execute: DISM /Online /Cleanup-Image /RestoreHealth
c. Allow the operation to complete.



3. Run the System File Checker (SFC): The System File Checker can scan and restore any corrupted files. To operate the SFC tool, execute the following:

a. Start Command Prompt as an administrator.
b. Enter and run: sfc /scannow
c. Await completion.



4. Implement the Windows Update Troubleshooter: This tool aids in resolving update-related issues. To use it, proceed as follows:

a. Access the Settings application.
b. Navigate to Update & Security.
c. Select Troubleshoot.
d. Choose Windows Update and start the troubleshooter.
e. Follow prompts to troubleshoot.



5. Download from Windows Update Catalog: If previous methods fail, manually download the needed files from the Windows Update Catalog. Follow these steps:

a. Visit the Windows Update Catalog website.
b. Locate and download the necessary update or feature.
c. Manually install the downloaded files.

By adhering to these steps, you can effectively resolve the error code 0x800f081f in Windows Server 2022.