Troubleshooting SQL Server 2016 Installation Error 0x80070643

Encountering error code 0x80070643 during SQL Server 2016 installation can be resolved through various methods:

1. Evaluate system specifications: Ensure your computer meets SQL Server 2016’s essential requirements. This includes verifying the compatibility of the operating system, as well as ensuring sufficient processor speed, memory, and available disk space.
2. Temporarily disable anti-virus software: Anti-virus programs may obstruct the software installation. Temporarily turn off your anti-virus and attempt the installation of SQL Server 2016 once more.
3. Install with administrative rights: To initiate the setup, right-click the SQL Server 2016 installer and choose 'Run as administrator'. This action allows the installer the appropriate permissions to execute properly.
4. Update your system: Confirm your system is fully updated by navigating to Settings > Update & Security > Windows Update and applying any pending updates.
5. Remove prior SQL Server versions: If older versions of SQL Server are installed, remove them prior to the new installation to prevent any conflicts.
6. Utilise SQL Server Installation Center: For a guided installation process, use the SQL Server Installation Center, which helps navigate common pitfalls and streamline the setup.
7. Review installation logs: If the installation does not succeed, examine the installation logs for specific errors. These logs are typically located in the %ProgramFiles%\Microsoft SQL ServerX\Setup Bootstrap\Log folder.