Kepware RedundancyMaster: Easily Configure OPC Servers Into Pairs

Increase the reliability and availability of your OPC data by allowing multiple OPC servers to be configured into redundant pairs.

What Is RedundancyMaster?

RedundancyMaster increases the reliability and availability of your OPC data by allowing multiple OPC servers to be configured into redundant pairs. Each redundant pair seamlessly appears as a single OPC server to any OPC client application. RedundancyMaster can be added to an existing client/server application without any reconfiguration of the application, keeping your processes going without any downtime.

What Are The Benefits of RedundancyMaster?


Industrial Strength Reliability

Make OPC systems more reliable and efficient—and safe from software, hardware, and even human error—with OPC redundancy technology.

Increased ROI & Decreased Downtime

If the OPC client loses its communications link, RedundancyMaster will shift to the secondary OPC server—reducing system downtime and saving you money.

Ease of Use

Its intuitive configuration takes only minutes to establish a redundant OPC system. Simply browse and select your primary and secondary OPC servers.

Find OPC Redundancy Software For Your Use Cases

Want to learn more about how RedundancyMaster increases the availability and reliability of your OPC data? Explore some of the most common use cases.

Mitigating object-based failures
Mitigating link-based failures
Two OPC servers paired with RedundancyMaster
Multiple OPC Server Pair Redundancy
Local machine redundancy

Mitigating object-based failures

Object-based failures occur when the software link between a client application and your OPC server breaks down. RedundancyMaster prevents this downtime.

Mitigating link-based failures

Protect against hardware-based link failures with RedundancyMaster by monitoring for issues and redirecting client applications to a secondary OPC server. .

Two OPC servers paired with RedundancyMaster

Remove single points of failure by redesigning your OPC system to use more than one OPC server.

Multiple OPC Server Pair Redundancy

Configure multiple OPC server pairs to gather data from two separate device networks with RedundancyMaster.

Local machine redundancy

Reduce the need for another machine to run a secondary OPC server. Run your OPC client and secondary OPC server right on your local machine.

How Can Reliable OPC Pairs Be Built With RedundancyMaster?

Explore the features that will change how you think about OPC redundancy. The innovations in RedundancyMaster can work together seamlessly with your current OPC application to give you a more reliable, cost-effective solution.

  • Primary/Secondary Machine Name: Browse for the primary machine that specifies the preferred connection and the secondary machine which specifies the fallback connection for OPC clients.

  • Query Server Status Interval and Timeout: Choose the intervals for server status monitoring and what will trigger a fallback to the secondary OPC server for each application.

  • Connection Mode: Define how and when to connect to primary and secondary OPC servers, including automatic connections to the primary OPC server when available.

  • Versatile System Settings: Use settings to select when to initiate fail-over, capture diagnostics, and send event email alerts.

  • OPC Data Aliasing: Easily configure multiple pairs of OPC servers with the same ProgID.

RedundancyMaster Frequently Asked Questions

  • In what languages is RedundancyMaster available?

    RedundancyMaster is available in English.

  • What application support is available for RedundancyMaster?

    Available RedundancyMaster application support is as follows:

    • DDE Format CF_Text and AdvancedDDE
    • OPC Data Access (OPC DA) Versions 1.0a and 2.0
  • What operating systems is RedundancyMaster compatible with?

    • Windows 8
    • Windows 7 Professional/Enterprise/Ultimate
    • Windows Server 2012
    • Windows Server 2008 and 2008 R2
    • Windows Vista Business/Enterprise/Ultimate
    • Windows Server 2003 SP2
    • Windows XP Professional SP3 or higher
  • What are the system requirements for operating RedundancyMaster?

    • 2.0 GHz Processor
    • 1 GB installed RAM
    • 180 MB available disk space
    • Ethernet Card
    • Super VGA (800x600) or Higher Resolution Video
  • What is the Kepware RedundancyMaster end-of-life support?

    As of November 15, 2016, RedundancyMaster V1 is no longer supported. You can continue running a V1 instance but will not receive technical support or software patches. Contact us with any specific questions.

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