Wincc 7.4 Compatibility List Jun 2026

Siemens' WinCC (Windows Control Center) is a popular human-machine interface (HMI) software used in various industries for monitoring and controlling industrial processes. The latest version, WinCC 7.4, offers numerous enhancements and new features, making it an attractive upgrade option for existing users. However, before upgrading to WinCC 7.4, it's essential to ensure compatibility with your existing hardware and software components. In this article, we'll provide a detailed WinCC 7.4 compatibility list to help you plan a smooth transition.

Do not use snapshots while the SQL Server (WinCC database) is running. Always stop the WinCC Runtime before snapshotting to prevent database corruption. wincc 7.4 compatibility list

WinCC V7.4 is officially supported on:

| Controller Family | Protocol | Compatibility Status | | :--- | :--- | :--- | | (315, 317, 319) | Industrial Ethernet (ISO-on-TCP) | Fully compatible | | S7-400 (all variants) | Industrial Ethernet / PROFINET | Fully compatible | | S7-1200 (Firmware V4.0 – V4.4) | S7-1200 Symbolic (via TIA Portal export) | Supported (requires WinCC Options) | | S7-1500 (Firmware V1.8 – V2.8) | S7-1500 Symbolic (Optimal) | Fully supported via "SIMATIC S7-1500 Channel" | | S7-200 SMART | TCP/IP (Modbus or Open IE) | Limited (Use OPC as gateway) | Siemens' WinCC (Windows Control Center) is a popular

Siemens released three major updates for WINCC 7.4. The compatibility list changes slightly between them. You can find your version under Help > About . In this article, we'll provide a detailed WinCC 7

The required SQL Server version is typically included with the WinCC installation media and creates a dedicated "WinCC" instance.