Disclaimer: This document reflects publicly available information from Siemens as of 2026. Always verify with the official Siemens Industry Online Support for your specific hardware and software revisions.
WinCC 7.5 SP2 Compatibility Overview Siemens WinCC 7.5 SP2 is a robust SCADA system. Ensuring hardware and software compatibility is critical for system stability. Operating System Compatibility WinCC 7.5 SP2 supports 64-bit versions of Windows. Windows 10 (64-bit) Professional and Enterprise Versions: 1903, 1909, 2004, 20H2, 21H1, and 21H2. Windows 11 (64-bit) Pro and Enterprise Versions: 21H2 or higher. Windows Server (64-bit) Windows Server 2016: Standard and Datacenter. Windows Server 2019: Standard and Datacenter. Windows Server 2022: Standard and Datacenter. Microsoft SQL Server Requirements WinCC 7.5 SP2 installs a specific instance of SQL Server. Included Version: Microsoft SQL Server 2017 (64-bit).
Note: Do not manually upgrade the SQL instance; use Siemens-provided updates only. Virtualization and Hardware Virtualization Platforms VMware vSphere Hypervisor (ESXi): 6.5, 6.7, 7.0. Microsoft Hyper-V: Based on the supported OS. Minimum Hardware Specs CPU: Multi-core, 2.5 GHz or higher. RAM: 8 GB (16 GB recommended for Server/Engineering).
Storage: SSD strongly recommended for the OS and project data. Software Coexistence SIMATIC Software STEP 7: Compatible with v5.6 SP2 and higher. TIA Portal: Generally coexists with v15.1, v16, and v17. Office Compatibility Microsoft Office: 2016, 2019, and 2021 (32-bit and 64-bit). Office 365: Only locally installed versions are supported. Browser and Security
WebUX/WebNavigator: Supports Microsoft Edge, Google Chrome, and Safari (iOS).
Antivirus: Compatible with Trend Micro OfficeScan, Symantec Endpoint Protection, and McAfee Endpoint Security. Key Best Practices
Check the Tool: Always use the Siemens Compatibility Tool before installation.
Windows Updates: Disable automatic updates on production servers to prevent unplanned restarts.
WinCC V7.5 SP2 Compatibility: A Comprehensive Guide Maintaining a stable SCADA environment requires careful adherence to the SIMATIC WinCC V7.5 SP2 compatibility requirements. This service pack, released by
, serves as a bridge for modern operating systems while maintaining support for legacy industrial hardware. Supported Operating Systems
WinCC V7.5 SP2 transitioned the platform toward 64-bit architecture, dropping support for older 32-bit systems like Windows 7 (which was supported in V7.0). Windows 10 (64-bit) : Professional and Enterprise editions, including LTSB 2015/2016 Windows 11 : Supported specifically starting with WinCC 7.5 SP2 ; older versions of 7.5 are not compatible with Windows 11. Windows Server (64-bit)
(Support confirmed via forum consensus and official tool updates). Software & Option Compatibility
For a fully integrated system, WinCC options must match the version of the base package. The following options are released for and compatible with Core Options : Server, Redundancy, Archive, and UserArchives. Web & Connectivity : WebNavigator, WebUX, DataMonitor, and Connectivity Pack. Process Management
: Sequence Execution System (SES), Calendar Scheduler, and Event Notifier. Analysis Tools : Performance Monitor and IndustrialDataBridge. Plant Historians : Compatible with SIMATIC Process Historian 2014 SP3 (Upd 4/5) Information Server 2014 SP3 (Upd 4/5) . Note that Update 20 of WinCC 7.5 SP2 is explicitly incompatible Process Historian 2020 SP2 until a specific patch is applied. Engineering & PLC Integration : Compatible with STEP 7 V5.6 TIA Portal
: Can coexist with various TIA versions (e.g., V16, V17, V18, V19) for PLC programming, though WinCC V7.5 itself remains a standalone SCADA system distinct from WinCC Professional (TIA Portal). SIMATIC NET : Specifically tested with SIMATIC NET V16 Installation Best Practices
To ensure a successful deployment, Siemens recommends the following workflow: Check the Compatibility Tool : Always use the official Siemens Compatibility Tool
to verify specific build numbers of Windows against your WinCC update level. Cumulative Updates wincc 7.5 sp2 compatibility list
: Updates for V7.5 SP2 are cumulative. For example, installing includes all fixes from Updates 1 through 13.
: Ensure your virus scanner version is explicitly listed in the compatibility tool, as industrial software is sensitive to real-time file scanning. detailed table
comparing the hardware requirements for the Server vs. Client installations of WinCC 7.5 SP2
SIMATIC WinCC V7.5 SP2 is a versatile HMI/SCADA software release that serves as a bridge for modern Windows environments, notably being the first version in the V7 series to support Windows 11 and Windows Server 2022. This update is essential for users moving away from older hardware while maintaining the specialized architecture of the WinCC V7 line. Key Compatibility Overview WinCC 7.5 Windows 11 - SiePortal - Siemens
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).
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
SIMATIC WinCC V7.5 SP2 is compatible with several 64-bit Windows operating systems, including Windows 10, Windows 11 (with specific updates), and multiple Windows Server versions. Operating System Compatibility Engineering & runtime components
WinCC V7.5 SP2 supports the following 64-bit operating systems: Windows 10: Professional and Enterprise. Windows 10 LTSC: LTSB 2015/2016 and LTSC 2019.
Windows 11: Supported starting from WinCC V7.5 SP2 (typically requiring the latest updates/service packs for full official support, such as Pro version 21H2). Windows Server 2012 R2: Standard and Datacenter editions. Windows Server 2016: Standard and Datacenter editions. Windows Server 2019: Standard and Datacenter editions.
Windows Server 2022: Successfully reported as compatible in community environments. Software & Hardware Requirements Delivery Release SIMATIC WinCC V7.5 SP2 including options
SIMATIC WinCC V7.5 SP2 is a widely used SCADA system designed for complex plant visualizations. According to the official Siemens release notes, compatibility centers on specific 64-bit operating systems and database versions. Operating System Compatibility
WinCC V7.5 SP2 is officially supported on the following 64-bit platforms: Windows 10: Professional and Enterprise. Windows 10 Enterprise LTSC: 2015, 2016, and 2019 versions.
Windows 11: Supported as of version 22H2 (Pro and Enterprise) and later, though specific Windows 11 releases like 25H2 may not yet be approved. Windows Server: Windows Server 2012 R2. Windows Server 2016. Windows Server 2019. Database & Software Requirements
Microsoft SQL Server: Requires SQL Server 2016 SP2 (64-bit) in either Standard or Express editions.
Internet Explorer: For internal web components on Windows 11, Internet Explorer 11 must be enabled via Windows Features.
Exclusions: It cannot be installed simultaneously with WinCC RT Professional (TIA Portal), WinCC Unified, or legacy WinCC V6/V7.x versions. Compatible Options & Components
The following Siemens add-ons and options are released for use with V7.5 SP2: Communication: SIMATIC Net V16.
Web Systems: WinCC/WebNavigator V7.5 SP2 and WinCC/WebUX V7.5 SP2.
Reporting & Archiving: SIMATIC Information Server 2014 SP3 (Upd4/5) and SIMATIC Process Historian 2014 SP3.
Standard Options: Server, Redundancy, UserArchives, Connectivity Pack, and DataMonitor (all V7.5 SP2).
For the most up-to-date and specific hardware/firmware combinations, users should utilize the Siemens Compatibility Tool to verify their exact configuration.
Are you planning to upgrade an existing system or perform a fresh installation on new hardware?
WinCC V7.5 SP2 Architectures - Digital Asset Management - Siemens Database and middleware
Supported Windows operating systems
Engineering & runtime components
Database and middleware
Virtualization and VMs
Browsers and web clients
Hardware/PLC connectivity
Important action items
If you want, I can fetch the official Siemens compatibility matrix and list exact supported OS builds, SQL Server versions, TIA Portal versions, and browser versions for WinCC 7.5 SP2.
⚠️ Home, Education, or Windows 11 are not supported.
WinCC 7.5 SP2 uses Office for report generation (WinCC/Reporting) and export to Excel.
| Application | Supported Version | Notes | | :--- | :--- | :--- | | Microsoft Excel | 2016, 2019, Office 365 (32-bit only) | WinCC automation DLLs are 32-bit. 64-bit Office will fail to export. | | Microsoft Word | 2016, 2019, Office 365 (32-bit) | For report layouts. | | Microsoft Access | 2016, 2019 (32-bit) | Used for archiving to MDB format (legacy). Avoid if possible. |
Critical: Install 32-bit Office, even if your Windows is 64-bit. Siemens does not provide 64-bit Office automation.
WinCC uses Microsoft SQL Server for process value archiving, alarm logging, and user administration. WinCC 7.5 SP2 still relies on a dedicated MS SQL instance (not the TIA Portal integrated one).
| Use Case | Compatible SQL Version | Provided by Siemens | Notes | | :--- | :--- | :--- | :--- | | Single-station (<= 2048 tags) | SQL Server 2017 Express Edition SP2 | Included in WinCC setup | Free, limited to 10GB database size | | Server/Multi-client (> 2048 tags) | SQL Server 2017 Standard (64-bit) | User must purchase separately | Requires specific collation (Latin1_General_CI_AS) | | High Availability / Cluster | SQL Server 2017 Enterprise | User purchase | Supports failover clustering | | Redundant Servers | SQL Server 2017 Standard | User purchase | Mirroring or Always On (with restrictions) |
WinCC V7.5 SP2 typically requires specific versions of SIMATIC NET for connecting to S7-300/400/1200/1500 PLCs.
| Source Version | Target Version | Allowed? | |----------------|----------------|-----------| | WinCC 7.4 SP1 | 7.5 SP2 | ✅ Yes (project conversion) | | WinCC 7.5 | 7.5 SP2 | ✅ Yes (Update installation) | | WinCC 7.5 SP1 | 7.5 SP2 | ✅ Yes | | WinCC 7.3 or older | 7.5 SP2 | ❌ No (must go via 7.4 SP1) |