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Installation
How to properly install WinCC OA.
WinCC OA License Portal
The SIMATIC WinCC Open Architecture License Portal streamlines license management with a modern, user-friendly interface and advanced features, launching in October 2025. This documentation offers comprehensive guidance, support resources, and step-by-step instructions to help users and administrators efficiently manage licenses and access essential materials.
Essential Skills
To work successfully with the WinCC OA License Portal, you should be familiar with several key processes that ensure efficient license management and organizational clarity.
Publish Changes
Apply and synchronize your recent license management actions in the WinCC OA License Portal.

Installation
How to properly install WinCC OA.
- Hardware and software requirements for WinCC OA
  This section contains the current hardware and software requirements for various WinCC OA application scenarios. Recommendations are given for practical deployment of WinCC OA depending on the specific application and scale of the project.
- WinCC OA Licensing
  Overview of the licensing model used by WinCC OA
- WinCC OA License Portal
  The SIMATIC WinCC Open Architecture License Portal streamlines license management with a modern, user-friendly interface and advanced features, launching in October 2025. This documentation offers comprehensive guidance, support resources, and step-by-step instructions to help users and administrators efficiently manage licenses and access essential materials.
  - License Portal Interface
    The License Portal Interface provides centralized access to group- and license management functions. Its intuitive layout allows users to navigate between groups, projects, and related administrative features efficiently.
  - Essential Skills
    To work successfully with the WinCC OA License Portal, you should be familiar with several key processes that ensure efficient license management and organizational clarity.
    - Login
      Log in to the WinCC OA License Portal as an invited user and explore your group overview and portal interface.
    - Create Group
      The Create Group feature in the WinCC OA License Portal enables you to organize licenses into structured groups and sub-groups for improved transparency and management. By building a hierarchical group structure, you can easily oversee and assign licenses to your WinCC OA servers. This process streamlines license administration and enhances clarity across your projects.
    - Create Project
      Projects in the WinCC OA License Portal are essential for organizing your containers efficiently. By creating projects within specific groups and subgroups, you keep your license structure clear and easy to manage.
    - Assign License to Virtual Container
      Assigning licenses to a virtual container in the WinCC OA License Portal enables pre-packaging of license options for remote deployment. This process streamlines license preparation for off-site technicians or service personnel, ensuring efficient and organized distribution.
    - Move License
      Moving licenses between projects in the WinCC OA License Portal allows you to efficiently reallocate resources as your needs change.
    - Remove License from Container
      Removing a user interface client license from a container in the WinCC OA License Portal allows you to make the license available for use in other projects. Follow these steps to ensure the license is properly released and ready for reassignment.
    - Activate Virtual Container and Assign to Real Container
      This task describes how to activate a virtual container and assign it to a real software container in the WinCC OA License Portal. Follow these steps to deploy the virtual container, confirm the assignment, and update the container details for your project.
    - Invite User
      Adding a new user to your group in the WinCC OA License Portal is a straightforward process that ensures team members are set up quickly and correctly.
    - Publish Changes
      Apply and synchronize your recent license management actions in the WinCC OA License Portal.
  - Additional Information
    Explore additional explanations of license states, essential licensing terms, and recommendations to optimize your licensing experience.
- Installation under Windows
- Installation under Linux
- WinCC OA as service
- Terminal server, basics
- Virtual Environment Support
  WinCC OA is used in very diverse computing environments, some of which are easier managed with the use of a enterprise virtualization software. Due to the good encapsulation and platform independence of WinCC OA, the use on a wide range of current versions of the most common virtualization products is possible. Our extensive, automated tests are provided via Proxmox and VMware(vSphere).
- Error tolerance and stability
  Continuous improvements are made concerning the error tolerance and reliability. This page gives an overview and description of the changes. Additional information can be found in the further chapters of the documentation.
- WinCC OA Product Packaging
  Explains the file structure presented in the configuration bundles as well as some use cases with detailed descriptions
- Branding of the WinCC OA MSI Installation

Publish Changes

Apply and synchronize your recent license management actions in the WinCC OA License Portal.

After making changes such as moving licenses between projects in the WinCC OA License Portal, you must publish these changes to ensure they are applied and synchronized across the system. Publishing changes finalizes your actions and updates the license status for all users and systems.

Review your recent changes in the License Portal.
For example, verify that licenses have been moved to the correct project and appear as expected in the destination project's Licenses section.
Locate the Publish Changes button or option in the portal interface.
This is typically found in the toolbar or at the top of the license management area.
Click Publish Changes to apply your modifications.
The system will process your changes and update the license status accordingly.
Wait for confirmation that the changes have been published successfully.
A notification or status message will indicate when the process is complete.
Verify that all changes are reflected in the relevant projects and license lists.
Check both the source and destination projects to ensure the licenses are correctly updated.

Your changes are now published and synchronized in the WinCC OA License Portal, ensuring all license allocations and project updates are up to date.