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WinCC 7.5 SP2 is officially supported on:
👉 Avoid Windows 11 or standard Windows 10 builds. They are not certified and will cause unpredictable runtime behavior.
Pro tip: Always use the LTSC or Server SKUs. Consumer Windows = trouble.
If you need the exact Update level (e.g., SP2 U6) compatibility with a specific OS build or TIA Portal version, let me know.
SIMATIC WinCC V7.5 SP2 is compatible with modern 64-bit Windows operating systems, including Windows 11 as of specific updates. To ensure a stable installation, you must use the official Siemens Compatibility Tool for the most current validated combinations. Operating System Compatibility
The following 64-bit operating systems are officially supported for WinCC V7.5 SP2:
Windows 11: Supported beginning with version 22H2. Note that Internet Explorer 11 must be enabled via Windows Features for internal web components to function.
Windows 10: Professional and Enterprise (versions 2004, 20H2). Windows 10 LTSC: LTSB/LTSC 2016 and LTSC 2019. Windows Server: Windows Server 2012 R2 (Standard/Datacenter). Windows Server 2016 (Standard/Datacenter). Windows Server 2019 (Standard/Datacenter). Windows Server 2022 (verified by community installations). Software Prerequisites
.NET Framework: Must be enabled prior to installation. Windows 10/Server 2016 requires version 4.7, while Server 2012 R2 requires 4.6.1.
Microsoft SQL Server: WinCC V7.5 SP2 typically bundles SQL Server 2016 SP2 (64-bit). If you need to use SQL Server Express, it must be installed before WinCC as a named instance to avoid conflicts. wincc 7.5 sp2 compatibility list
Microsoft Office: Compatible with Office 365 Professional Plus (32/64-bit) version 1908. Virtualization & Maintenance
Virtualization: Often deployed using VMware environments for "world without UCL" (Unified Compatibility List) architectures.
Updates: It is highly recommended to install the latest updates (e.g., Update 7 or higher) to ensure compatibility with Windows 11 and newer Microsoft components.
For detailed technical manuals and release notes, you can refer to the Siemens Industry Online Support (SIOS) portal. 5 SP2 server or client installation? WinCC V7.5 SP2 Architectures - Siemens
The compatibility list for SIMATIC WinCC 7.5 SP2 is critical for ensuring a stable SCADA environment. While initial releases targeted older versions of Windows 10 and Server 2019, subsequent updates have expanded support to modern operating systems like Windows 11 and Server 2022.
Before starting any installation, you should always consult the official Siemens Compatibility Tool for the most current build-specific data. Supported Operating Systems
WinCC 7.5 SP2 supports 64-bit architectures only. Below are the primary supported platforms:
Windows 10 (64-bit): Supports Professional and Enterprise editions, including LTSB 2015/2016 and LTSC 2019.
Windows 11 (64-bit): Compatible with Pro and Enterprise versions as of WinCC 7.5 SP2 Update 4 and later. Windows Server: Windows Server 2012 R2 Windows Server 2016 Windows Server 2019 Windows Server 2022 (Supported with newer updates) Microsoft SQL Server Requirements WinCC 7
WinCC 7.5 SP2 requires a specific version of SQL Server, which is typically included in the installation package.
Version: Microsoft SQL Server 2016 SP2 (64-bit) is the standard released version for this service pack.
Editions: Both Standard and Express editions are supported depending on the project scale.
Note: WinCC is generally not compatible with newer SQL versions like 2022 or 2025; attempting to use unreleased versions often leads to database connection failures. Browser & Option Compatibility
For web-based monitoring via WebNavigator or DataMonitor, browser selection is vital. Delivery Release SIMATIC WinCC V7.5 SP2 including options
SIMATIC WinCC V7.5 Service Pack 2 (SP2) is a specific version of Siemens' SCADA software that introduced support for modern operating systems like Windows 11 and Windows Server 2022. Compatibility depends on your project type (Server, Single-user, or Client) and installed updates. Operating System Support
WinCC V7.5 SP2 is strictly 64-bit and requires modern Windows environments.
Windows 10 (64-bit): Pro and Enterprise versions are supported. It also supports Long-Term Servicing Channel versions like LTSB 2015/2016 and LTSC 2019/2021.
Windows 11 (64-bit): Pro and Enterprise versions are compatible specifically with WinCC V7.5 SP2. Windows Server (64-bit): Server 2012 R2. Server 2016. Server 2019. Server 2022 (released for use with SP2). 👉 Avoid Windows 11 or standard Windows 10 builds
Legacy Support: Note that while WebNavigator and DataMonitor clients can still run on Windows 7 SP1 or Windows 8.1, these OS versions reached the end of support in 2020 and 2023 respectively. Software & Database Compatibility
To function correctly, WinCC must be paired with specific database and framework versions.
Microsoft SQL Server: WinCC V7.5 SP2 requires SQL Server 2016 SP2 (64-bit). This is typically included in the WinCC delivery package.
Microsoft Office: DataMonitor's Excel Workbook Wizard specifically supports 32-bit Office installations.
Conflict Notice: WinCC V7.5 SP2 cannot be installed on the same machine as WinCC RT Professional, WinCC Unified, or older versions like WinCC V6.x. Hardware Requirements
For a smooth experience, Siemens recommends a multi-core CPU and at least 8 GB of RAM for server systems. Minimum (Single-User/Client) Recommended (Server/Single-User) CPU Dual-core 2.5 GHz Multi-core 3.5 GHz RAM Storage 1.5 GB (Installation) 10 GB (Work space) + Archive memory Resolution 1920 x 1080 (Full HD)
For the most accurate and up-to-date configuration checks, you should use the official Siemens Compatibility Tool. WinCC 7.5 Windows 11 - SiePortal - Siemens
WinCC 7.5 SP2 supports the following operating systems: