However, many engineers still need to maintain older HMI systems. Below is a guide on the risks, workarounds, and best practices for using WinCC Flexible 2008 on modern Windows 11 systems. 1. Compatibility Reality Check
Ignoring warnings, some engineers force a native installation using compatibility modes and registry hacks. The process—disabling Secure Boot, turning off Memory Integrity, running the installer in Windows 7 compatibility mode, and manually installing SQL 2005 using command-line switches ( /SkipRules=BlockIfWindowsInstalled )—is a tutorial in self-sabotage. wincc flexible 2008 windows 11
Note: Siemens has officially declared WinCC Flexible 2008 as discontinued. For new HMI development on Windows 11, the supported product is TIA Portal WinCC V17 or higher. However, many engineers still need to maintain older