: Fully supported only starting with WinCC 7.5 SP2 setups. Base versions of WinCC 7.5 will fail on Windows 11 due to SQL Server mismatches. Windows Server Operating Systems (64-Bit Only)
The following 64-bit operating systems are officially supported for WinCC V7.5 SP2:
: Modbus TCP/IP driver for third-party PLCs (e.g., Schneider Electric). Upgrade Paths to WinCC 7.5 SP2
Always check the specific "Readme" file or release notes for the exact OS Build numbers (KB patches). Some Windows Updates released after the SP2 release may require a specific WinCC Update patch to maintain compatibility. wincc 7.5 sp2 compatibility list
Supports Professional and Enterprise editions, including LTSB 2015/2016 and LTSC 2019.
: Compatible with SIMATIC Information Server 2014 SP3 (Upd4/5) and SIMATIC Process Historian 2014 SP3 (Upd4/5). Verifying Specific Configurations
WinCC uses a deep SQL database architecture for archiving alarms, trends, and configuration variables. WinCC 7.5 Windows 11 - SiePortal - Siemens : Fully supported only starting with WinCC 7
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Are you checking compatibility for a (e.g., Windows 10 LTSC vs. Windows 11)? Upgrade Paths to WinCC 7
: For single-station systems, Workstation OS is suitable.
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It's important to know which software combinations are or aren't allowed.