The classic STEP 7 versions (e.g., V5.5, V5.6) are generally compatible in side-by-side installations with WinCC 7.5 SP2. However, avoid installing it on a PCS 7 station, as the integrated WinCC version will conflict.
This tool allows you to check if a specific Windows KB update or a specific version of SQL breaks compatibility with your version of WinCC.
To eliminate configuration risk before commissioning an upgrade or a clean deployment, follow these verified validation steps:
Virtualization is a key IT/OT convergence practice. WinCC 7.5 SP2 is officially released to run as a standard application within the following virtual machine (VM) environments: wincc 75 sp2 compatibility list best
While WinCC can run on lower specifications, the "best" performance requires a robust system to avoid lags in alarming and reporting. Best Practice (2026) Intel Core i3 Intel Core i7 / Xeon (3.0 GHz+ ) RAM 16 GB - 32 GB (Especially for Server) Storage 100 GB Free Space SSD / NVMe (High-speed drives) Network 1 Gbps / Dual NIC (Separated networks) Summary Checklist for Installation OS: Windows 10/11 Pro/Ent (64-bit) or Server 2019/2022. Version: WinCC V7.5 SP2 + Upd 7+. Framework: .NET 3.5 and 4.8 Enabled. Security: Antivirus exclusions for Siemens paths applied.
Pro, Enterprise, and Enterprise LTSC (1909, 20H2, 21H1, 21H2) Windows Server 2022 (64-bit): Standard, Datacenter Windows Server 2019 (64-bit): Standard, Datacenter Windows Server 2016 (64-bit): Standard, Datacenter Software & Database Requirements Microsoft SQL Server: WinCC V7.5 SP2 typically installs SQL Server 2017 (64-bit) as part of its setup. Microsoft Office:
For those deploying in virtual environments, WinCC V7.5 SP2 is compatible with: Versions 6.5, 6.7, and 7.0. Microsoft Hyper-V: Versions 2012 R2, 2016, and 2019. 4. Antivirus & Security Software The classic STEP 7 versions (e
Ensure the host hypervisor and all guest WinCC virtual machines are synchronized to a central NTP (Network Time Protocol) master clock to prevent time discrepancies in alarm logging. 4. Coexistence with Other SIMATIC Software
If deploying WinCC V7.5 SP2 in a virtualized architecture for high availability or simplified backups, Siemens supports the following hypervisors: Versions 6.5, 6.7, 7.0, and 8.0.
Create the following folder exceptions in your antivirus policy: Version: WinCC V7
V16 and V17 (Required for advanced industrial Ethernet communications like S7-RedConnect).
Ultimate Guide: SIMATIC WinCC V7.5 SP2 Compatibility List & Best Practices
Disclaimer: Siemens product compatibility changes with updates. Always verify your exact part number (6AV6xxx) using the official Siemens Industry Online Support compatibility tool before your final build.
, provided Internet Explorer 11 is enabled via Windows Features for internal web components. Windows Server: Standard / Datacenter (64-bit). Standard / Datacenter (64-bit). Standard / Datacenter (64-bit). Database & Software Dependencies Microsoft SQL Server: WinCC V7.5 SP2 requires SQL Server 2016 SP2 (64-bit)
