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Availability
How to get your system uptime to the maximum.
System Dashboard
The System Dashboard in WinCC OA provides a central overview of system status, performance metrics, and security aspects. It helps operators and administrators quickly view and assess important information.
System Dashboard Access and Configuration
Access the System Dashboard directly from the Diagnostics area of System Management, and learn how to configure and customize it for your operational needs.

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Availability
How to get your system uptime to the maximum.
- Disaster Recovery System
- Redundancy
  The high availability requirements of plant constructors and operators as well as the process and data security can be covered with the redundancy concept of WinCC OA.
- Redundant network connections
  In order to achieve a better fault tolerance WinCC OA Managers can connect to other WinCC OA Managers running on different computers via redundant network connections (this means connecting through two network connections (= IP connection)).
- Alive mechanism of manager connections
  The alive mechanism in WinCC OA serves for connection controlling between the single managers. Each manager sends alive messages at definable intervals.
- 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.
- Kubernetes Health Check
  An introduction to health checks with Kubernetes for WinCC OA.
- Message Compression
  The message compression compresses WinCC OA messages. Data compression means encoding information using fewer bits than an unencoded representation would use through use of specific encoding schemes.
- Identification Caching
  The identification caching provides you an advantage especially when using remote user interfaces and distributed systems. Identification caching allows the identification to be sent as “delta” instead of the whole identification. Thus, only the changes are sent by the Data and the Dist managers.
- System Dashboard
  The System Dashboard in WinCC OA provides a central overview of system status, performance metrics, and security aspects. It helps operators and administrators quickly view and assess important information.
  - System Dashboard Access and Configuration
    Access the System Dashboard directly from the Diagnostics area of System Management, and learn how to configure and customize it for your operational needs.
  - System Dashboard KPIs
    Discover the key performance indicators (KPIs) shown on the System Dashboard and their impact on system monitoring.
- NGA - High Availability Configuration (HAC)
  This chapter provides an overview of the High Availability Configuration for redundant or non-redundant WinCC OA projects (High Availability Configuration - HAC) and explains the roles of the components etcd and Patroni, which are required to set up HAC.
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Basic information about terms and functions within the documentation.
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System Dashboard Access and Configuration

Access the System Dashboard directly from the Diagnostics area of System Management, and learn how to configure and customize it for your operational needs.

Accessing the System Dashboard

The System Dashboard can be accessed from your project by navigating to System Management > Diagnostics > System Dashboard. In the System Management window, click the System Dashboard icon in the upper-right area.

The dashboard opens instantly and provides quick access to key performance and status indicators of your system.

Activation and Installation

The System Dashboard is usually enabled by default in new projects. If required, system administrators can manually add it during project setup or later via Node Manager.

Activation also takes place automatically during software updates.

In standard projects , the Manager system-dashboard/index.js is included by default. When upgrading, you can automatically add this Manager by selecting the relevant checkbox during the update process.

Alternatively, you may manually add it at any time by entering system-dashboard/index.js in the Manager Properties under Options.

Configuration Prerequisite: HTTP Server Setting

Important:

To open the System Dashboard using the button in the Diagnostics view, the correct HTTP server address must be configured in your project settings.

In your project's configuration file, ensure the following setting under the [ui] section points to the correct address (host and port) for your environment:

[ui]
                httpServer = https://your-server:port

In default projects, this value is usually set appropriately out of the box. You only need to modify it if you are using a custom host or port for your web UI.

Note:

When copying the project to a different host or changing the DNS name, the configuration entry httpServer must be manually edited since version 3.21 to make the System Dashboard work correctly. There is no automatic update of this value during registration, which is intentional because it is unclear whether the change is due to a DNS update or a completely new hostname.

Customization Options

Widget selection: Choose which KPIs and widgets appear on your dashboard.
Interface/network settings: Adjust settings as needed via the dashboard options.