Resolving SQL Server 2012 Setup Error 0x84B30002

Tackling the installation error code 0x84B30002 with SQL Server 2012 involves several strategies:

1. Verify system compatibility: Ensure your computer adheres to the minimum specifications required for SQL Server 2012, including operating system, CPU, RAM, and storage.
2. Turn off antivirus programs: Antivirus systems may disrupt the setup process. Temporarily disable your antivirus before initiating the SQL Server 2012 installation.
3. Execute setup with administrative rights: To install SQL Server 2012, right-click the setup executable and choose 'Run as administrator' to gain the appropriate access.
4. Inspect the installation media: If you're using physical media like a DVD or USB, confirm it isn't defective or corrupt. Alternatively, try transferring the setup files to another location and reinitiate the installation.
5. Review the installation log: For detailed error insights, consult the installation log in the %ProgramFiles%\Microsoft SQL ServerH\Setup Bootstrap\Log directory.
6. Remove existing SQL Server versions: Prior installations of SQL Server should be uninstalled to prevent conflicts during the new installation.
7. Update your system: Installing the most current service pack for your operating system can solve compatibility issues.