Troubleshooting Error 0x800f0818: Feature Setup Failure on Windows Server 2012

To address error code 0x800f0818 in Windows Server 2012, consider these practical steps:

1. Verify updates: Ensure your server is fully updated. Navigate to Settings > Update & Security > Windows Update, and select Check for updates.
2. Utilize DISM: Launch Command Prompt with admin rights and enter: DISM /Online /Cleanup-Image /RestoreHealth. This command helps fix corrupt files within your system.
3. Run System File Checker: Open Command Prompt as an administrator and execute: sfc /scannow. This scans and repairs corrupted system files.
4. Temporarily disable antivirus: Antivirus programs can sometimes block feature installations. Deactivate your antivirus briefly and attempt the installation once more.
5. Employ installation media: If previous methods fail, use the Windows Server installation media. Insert the media, run setup.exe, select upgrade, and follow the instructions to install the feature.