Resolving Error Code 0x84B20001 During SQL Server 2012 Installation

Various effective strategies exist to address the error code 0x84B20001 while setting up SQL Server 2012:

1. Verify system compatibility: Ensure your system conforms to SQL Server 2012's minimum requirements, including hardware and software specifications such as OS version, CPU, RAM, and available disk space.
2. Turn off antivirus protection: Antivirus programs can disrupt the installation process. Temporarily disable any antivirus programs prior to the SQL Server 2012 setup.
3. Execute setup with administrative rights: To ensure all necessary permissions for installation, right-click the setup executable and choose 'Run as administrator'.
4. Inspect the installation medium: If installing from physical media like a DVD or USB, verify it isn't damaged or corrupt. Alternatively, copy the setup files to another location and retry the installation.
5. Review the installation logs: For detailed error information, consult the installation logs located in the %ProgramFiles%\Microsoft SQL ServerH\Setup Bootstrap\Log directory.
6. Remove prior SQL Server versions: Uninstall any previous SQL Server installations before attempting a new install of SQL Server 2012.
7. Update your operating system: Ensure your operating system has the latest service pack installed.