Addressing Error Code 0x800f0927: Challenges Installing .NET Framework 3.5 on Windows Server 2012

To address the error code 0x800f0927 during the installation of .NET Framework 3.5 on Windows Server 2012, follow these procedures:

1. Confirm .NET Framework 3.5 installation status: Access Control Panel > Programs and Features > Turn Windows features on or off to verify whether .NET Framework 3.5 is already active on your system.
2. Utilize the DISM command: Execute the following in Command Prompt with administrative privileges: DISM /Online /Enable-Feature /FeatureName:NetFx3 /All /LimitAccess /Source:D:\sources\sxs (substitute D: with your Windows Server 2012 installation media drive letter). This operation facilitates the installation of .NET Framework 3.5 directly from your installation media.
3. Employ the Windows Update Troubleshooter: Navigate to Control Panel > Troubleshooting > System and Security > Fix problems with Windows Update and proceed as directed to resolve any update-related issues.
4. Manually install .NET Framework 3.5: Visit the Microsoft Download Center, secure the .NET Framework 3.5 installer, and execute it following the provided guidelines to complete the installation.
5. Inspect for corrupted system files: Open Command Prompt as an administrator and input: sfc /scannow to scan and potentially repair corrupted system files.