Resolving Error 0x800f0950 in Windows Server 2019 Installation

Follow these expert steps to address error code 0x800f0950 during roles and features setup in Windows Server 2019:

1. Update your server: Ensure your server has the latest updates by navigating to Settings > Update & Security > Windows Update, then click on Check for updates.
2. Utilize DISM: Launch Command Prompt as an administrator and execute: DISM /Online /Cleanup-Image /RestoreHealth to fix corrupted system files that might be causing the issue.
3. Verify source files: Confirm that the source files needed for the roles and features installation are present and reachable. If using a network share, check if it's accessible and if you possess the appropriate permissions.
4. Temporarily disable antivirus: Antivirus programs can occasionally disrupt the installation process. Deactivate your antivirus software briefly to see if the installation then completes without issues.
5. Employ Server Manager: Use Server Manager for installing roles and features instead of PowerShell or DISM. Open Server Manager, choose the server for the installation, and click Add roles and features. Proceed with the guided setup to finish the installation.