Resolving Error 0x800f0927: Installing .NET Framework 3.5 on Windows Server 2012

Follow these practical steps to address error code 0x800f0927 while attempting to install .NET Framework 3.5 on Windows Server 2012:

1. Verify .NET Framework 3.5 Installation Status: Navigate to Control Panel > Programs and Features > Turn Windows features on or off. Ensure that .NET Framework 3.5 is not already enabled on your system.
2. Execute DISM command: Launch Command Prompt with administrative privileges and input the following: DISM /Online /Enable-Feature /FeatureName:NetFx3 /All /LimitAccess /Source:D:\sources\sxs (substitute D: with the appropriate drive letter where your Windows Server 2012 media is mounted). This will initiate the installation of .NET Framework 3.5 directly from your installation media.
3. Run Windows Update Troubleshooter: Access Control Panel > Troubleshooting > System and Security > Fix problems with Windows Update. Execute the troubleshooter as per the prompts to resolve potential Windows Update problems.
4. Manually Install .NET Framework 3.5: Visit the Microsoft Download Center, download the .NET Framework 3.5 setup file, and follow the provided instructions to complete the installation.
5. Inspect for Corrupted System Files: Open an elevated Command Prompt and execute the command: sfc /scannow. This will scan and potentially repair corrupted files within your system.