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  • SIOTH® Platform
    • Smart IoT Highway
      IT-OT-IIoT IntegrationAugmented AIVisualization & Monitoring
      SIOTH® Related Products
      SIOTH® SCADAMQTT Universal BrokerOPC UA Universal Server
      See it in action
      Download NowWatch Demo Video
  • OPC Products
    • Featured Products
      OPC UA WrapperOPCNet Broker DA HDA AE OPC UA Universal ServerOPC Easy ArchiverOPC UA Proxy
      OPC Servers
      OPC Server for ModbusOPC Server for DatabasesOPC UA Server for DatabasesOPC Server for SNMP OPC UA Server Simulator - Full Edition
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  • SIOTH® Platform
    • Smart IoT Highway
      IT-OT-IIoT Integration
      Seamlessly integrate your IT and OT in a secure way
      Augmented AI
      Leverage predictive analytics, ML/AI models combined with logic rules, workflows and fault propagation
      Visualization & Monitoring
      Configure web-based SCADA and dashboards
      SIOTH® Related Products
      SIOTH® SCADA
      Web SCADA enabling monitoring in minutes
      MQTT Universal Broker
      Unify Your OT Data with MQTT
      OPC UA Universal Server
      Unify Your OT Data with OPC UA
      See it in action
      Download Now
      Download your free SIOTH trial and start configuring your data flows
      Watch Demo Video
      Configure the OPC UA Universal Server, built in minutes using SIOTH
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OPC UA Server Toolkit

Your Fast Track to OPC UA Server Development

Quickly build and deploy robust OPC UA server applications using a high-performance .NET toolkit with free runtime distribution.

OPC UA Server Toolkit Overview

Build Secure OPC UA Servers Faster with .NET

  • .NET-based OPC UA Server Toolkit for rapid server development using C# or VB.NET
  • Simplifies OPC UA Server development by handling all protocol and specification complexities
  • Enables developers to focus on core application logic instead of low-level OPC UA details
  • Supports secure OPC UA server applications accessible locally or remotely
  • Fully compatible with standard OPC UA client connections via endpoint URLs
  • Designed for fast, reliable, and scalable OPC UA Server deployment
opc-architecture
Download User Guide

OPC UA Server Toolkit Features

OPC UA Compatibility

  • Support of OPC UA specification 1.03 
  • Support of OPC UA server functionalities, including creating server address space and data access information model and historical access information model 

Licensing and Distribution

  • Licensed per development machine 
  • Royaltee-free runtime distribution  

Data Access

  • Access to both real-time and historical data  
  • Support of methods functionality  

Security

  • Secure sessions with OPC UA clients  
  • Support of security policies: None, Basic256SHA256, and Basic 256 
  • Support of user authentication modes: Anonymous and Certificate 

Connectivity and Accessibility

  • Accessible locally and remotely to multiple OPC UA clients  

Development and Compatibility

  • Support for 32-bit and 64-bit applications  
  • Compatible with Visual Studio 2017 and later  
Frequently Asked Questions

Developers can quickly build OPC UA server applications in .NET without needing deep knowledge of OPC UA protocols. The toolkit provides a streamlined development process and ensures support of OPC UA standards. 

The OPC UA Server Toolkit is built to support both x86 (32-bit) and x64 (64-bit) platforms. When choosing the build configuration in Visual Studio, configure your application to target either platform based on your deployment environment. 


  • If your application needs to interact with 32-bit components, you can select x86 as the target platform. 
  • If you are deploying on a 64-bit system and want to take advantage of larger memory space, you can select x64. 


Choosing the correct target ensures proper memory management and compatibility with the Windows operating system version deployed. 


Yes. The OPC UA Server Toolkit is compatible with recent versions of Microsoft Visual Studio. It fully integrates into the Visual Studio development environment, allowing you to work with familiar tools when building your OPC UA server application. 

Yes. You are free to distribute the server applications you build using the OPC UA Server Toolkit. A free runtime license is included, which allows for the deployment and execution of your compiled OPC UA server applications without additional costs. 

The toolkit development license is tied to the original development machine and is not valid on the new one. To use the toolkit on another machine, you must obtain an additional development license if you need to keep both development machines. You may contact our support team if you need to transfer your license from the original development machine to a new one. 

Resources & Documentation

OPC UA Server Toolkit Resources

Product Datasheet

Comprehensive technical specifications and features overview

User Guide

Step-by-step installation and configuration guide

Quick user Guide

Step-by-step installation and configuration guide

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