Wincc 7.5 Sp2 Compatibility List

When in doubt, stick to – this is the most battle-tested combination in the industry today.

However, before upgrading or deploying a new project, the single most critical document you need is the . Installing this version on an unsupported operating system or with the wrong SQL server is a recipe for runtime errors, system crashes, or silent data corruption. wincc 7.5 sp2 compatibility list

| Application | Supported Version | Notes | | :--- | :--- | :--- | | | 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. 6. Antivirus and Security Software Compatibility WinCC 7.5 SP2 is sensitive to real-time scanning of its archive and project folders. When in doubt, stick to – this is

| Hypervisor | Supported | Key Requirement | | :--- | :--- | :--- | | | ✅ Yes | Use VMXNET3 NIC, disable USB passthrough for dongles (use a hardware key server) | | Microsoft Hyper-V (Win Server 2019) | ✅ Yes | Network must be set to "Static MAC" if using redundant servers | | Oracle VirtualBox | ❌ No | Not tested by Siemens. Runtime errors likely. | | Proxmox / KVM | ❌ No | No official support. Use at your own risk. | Licensing in VMs: Soft dongles (ALM) are difficult to manage in dynamic VMs. Siemens recommends using a USB hardware dongle on a dedicated key server or Static license file (SLS) . 8. Upgrading from Older Versions to WinCC 7.5 SP2 If you are migrating from WinCC 7.4 SP1 or 7.5 SP1 , here is the direct upgrade compatibility: | Application | Supported Version | Notes |