Wincc 7.5 Sp2 | Compatibility List
The following 64-bit operating systems are officially supported for WinCC V7.5 SP2:
: For the most stable experience on modern OS versions like Windows 11, it is recommended to use the WinCC V7.5 SP2 full installation medium rather than upgrading from 7.5 base. : It is highly recommended to install the latest WinCC 7.5 SP2 Updates
| Category | Supported Versions | Key Notes | |---|---|---| | | Windows 10 Pro / Enterprise / Enterprise LTSC; Windows 11 Pro / Enterprise; Windows Server 2012 R2 / 2016 / 2019 (Standard & Datacenter) | ❗ WinCC 7.5 SP2 is not compatible with Windows Home editions. | | SQL Server Version | Microsoft SQL Server 2016 SP2 (64‑bit, Standard or Express Edition) | ➕ Update 20 includes optimizations for SQL Server memory usage. | | SIMATIC Software | WinCC V7.5 (base) + SP2; WinCC Options (Server, Redundancy, Archive, etc.); SIMATIC NET V16; SIMATIC Information Server 2014 SP3; SIMATIC Process Historian 2014 SP3 | ✔️ Compatibility tested with these products. | | TIA Portal & STEP 7 | TIA Portal V15.1 / V17 / V18; STEP 7 V5.x | ❗ Cannot be installed on the same PC as WinCC Professional . | | PLCs / Hardware | S7‑300, S7‑400, S7‑1200, S7‑1500, S7‑200 (via appropriate communication drivers) | 🔐 Security Note: WinCC 7.5 SP2 Update 4 or higher is required for TLS 1.3 secure communication with newer S7‑1200/1500 firmware. |
👉 Windows 11 or standard Windows 10 builds. They are not certified and will cause unpredictable runtime behavior. wincc 7.5 sp2 compatibility list
: Optimized communication channel (symbolic addressing supported).
Caution: Before upgrading, verify that older OPC servers or custom VBA/scripting tools are compatible with the updated API functions of V7.5 SP2. 5. Hardware Requirements
WinCC 7.5 SP2 is still in the "Delivery Release" phase, meaning it is available for purchase and is actively supported with patches and security fixes. As a general rule, Siemens provides support for the current version and the previous major version. For long-term planning, note that Microsoft has announced the end of support for Windows 10 in 2025, which may influence future upgrade decisions. | | SIMATIC Software | WinCC V7
Many antivirus products can interfere with WinCC installation or real-time operations by locking files used by WinCC. The following antivirus programs have been tested and are released for use with WinCC:
| Operating System | Edition | WinCC Server (RT) | WinCC Client (RC/Web) | Notes | | :--- | :--- | :--- | :--- | :--- | | (1809) | 64-bit Pro/Enterprise | ✅ Full Support (up to 2048 tags) | ✅ Fully supported | Recommended for single-station systems | | Windows 10 LTSC 2021 (21H2) | 64-bit Enterprise | ✅ Full Support | ✅ Fully supported | Newer option, requires specific hotfix | | Windows Server 2019 | 64-bit Standard (Desktop Experience) | ✅ Full Support (unlimited tags) | ✅ Supported via RDP | Preferred for multi-client server setups | | Windows Server 2022 | 64-bit Standard | ✅ Full Support | ✅ Supported | Requires WinCC 7.5 SP2 + Update 1 or later | | Windows 11 (21H2/22H2) | Pro/Enterprise | ❌ Not officially supported | ⚠️ Limited (Testing only) | Not recommended for production use. Use Windows 10 LTSC instead. |
Installing WinCC 7.5 SP2 and TIA Portal on the same engineering PC is possible but requires strict installation order (TIA first, then WinCC). | 👉 Windows 11 or standard Windows 10 builds
For a complete and authoritative list of all compatible products and versions, you can download the official and up-to-date compatibility matrix in PDF format from the Siemens Industry Online Support page for WinCC 7.5 SP2. A full and detailed compatibility matrix can be downloaded from the official Siemens Industry Online Support portal for WinCC 7.5 SP2.
Versions 15, 16, and 17 (Recommended for engineering or testing only; not for production runtime).
V15 SP1, V16, and V17 are generally compatible. SIMATIC NET: Requires versions compatible with WinCC V7.5. 6. Where to Find Official Information
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