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Version Information
Release Notes, Update information, Certifications and Frequently Asked Questions.
Release Notes Version 3.20
All the new features and changes in WinCC OA V3.20.
Supported Operating Systems, Platforms & Databases

Version Information
Release Notes, Update information, Certifications and Frequently Asked Questions.
- What is WinCC OA?
- Release Notes Version 3.20
  All the new features and changes in WinCC OA V3.20.
- Patch Release Notes 3.20
  The release notes of all patches for WinCC OA Version 3.20.
- Notes for Upgrading a WinCC OA Project
  Important steps and information to consider when upgrading an existing WinCC OA project to the latest version.
- WinCC OA Version Incompatibilities
  A list of all incompatibilities that needed to be introduced between different versions of WinCC OA.
- Product Certifications
  Certificates held by ETM – A Siemens Company.
- Frequently Asked Questions
  A collection of common customer questions
Concepts
Your first step into modern and powerful process visualization.
Deployment
Topics you need to know before using WinCC OA.
Security
Go beyond the norm in cybersecurity.
Engineering
Powerful tools for easy or complex engineering tasks.
Data Management
Classify, structure and archive your data.
Business Logic / Control
Endless possibilities in data processing for your projects.
Data Visualization
User interfaces, Trends and Reports for every purpose and device.
Southbound Interfaces
The process connection to the actual machines/sensors.
Northbound Interfaces
Your portal to the cloud or supervising systems.
Web Connectivity / Network Interfaces
Data exchange, APIs and web technologies
User Management
All about authorization, authentication and login-customization.
Availability
How to get your system uptime to the maximum.
Reporting
Create state of the art project reports without limits.
Addons
Useful tools and enhancements for special demands.
Reference Tables
Detailed and extensive content for special project adaptation.
Videos & Tutorials
Explore the capabilities of WinCC OA with our carefully selected collection of video tutorials and guides.
Documentation
Basic information about terms and functions within the documentation.
Support & Services
An experienced team of support agents, consultants and trainers are ready to facilitate active partnerships with our customers, so they can profit from our comprehensive service.
Disclaimer
A brief clarification of liability exclusions or legal notices.

Supported Operating Systems, Platforms & Databases

Windows

Windows® 2022 Server
Windows® 10 LTSC
Windows® 11

Linux

RHEL®/Oracle Linux® 9
Industrial OS® 4/Debian® 12
VMware Cluster (HA) ESXi®

Cloud Connectivity

Runs on Azure® and AWS®

Databases

InfluxDB® 1.8.10
MS SQL® Server 2022
PostgreSQL® V16
SQLite® 3.45.1 (included)
Oracle® 19c Server/Oracle® 19c Instant Client

Others

Qt® 6.5 LTS
PM Add-ons® V10.3 Update 3 or higher

Please note that all Windows OS types are Enterprise versions. All listed products are registered trademarks of the corresponding companies. For more details, please check the Software Requirements page.

Supported Operating ​Systems, Platforms ​& Databases