Support

Activating OPC Expert for free

Activating OPC Expert with Dynamic License

Activating OPC Expert with Static License

Add a Network Computer

Archive Data in SQL Server

Archive values regardless of change

Archive – Run as Windows Service

Browsing for data sources

Browsing Remote Computers

Connecting to B&R Industrial Automation

Convert OPC client

Convert OPC server

Convert OPC UA and DA Data

DCOM Authentication Level

Deep Browse

Excel – Archive data in CSV files for Excel

Excel – Bulk data export and import

Excel – Historical OPC data

Excel – Read and Write

Excel – Read array: 1-dimension

Excel – Read array: 2-dimension

Excel – Simulate a PLC using OPC

Excel – Troubleshooting setup

Exporting items without subscribing

Getting Started with OPC Expert

Getting Started with OPC UA

Install Microsoft SQL Server

Log4j and OPC Expert

Ping Port – checking port availability

Polling versus Subscription

Reasons Network Problems Suddenly Appear

Removing OPC Expert files and folders

Running OPC Expert as a Windows Service

Setup License Server for Dynamic Licenses

Snapshot of OPC settings

Store and Forward

Troubleshoot Microsoft KB5004442

Troubleshoot OPC Expert and Excel Connectivity

Updating OPC Expert Release or Version

User Access Control

Web Server API

Webinar Archives

Write to OPC server manually

Error Codes

0x80004002 DCOM Error (No such interface supported)

0x80004005 DCOM Error (Unspecified Error)

0x80040112 DCOM Error (RSLinx OPC server)

0x80040153 DCOM Error (Invalid Value for Registry)

0x80040154 DCOM Error (Class Not Registered)

0x80040155 DCOM Error (Interface Not Registered)

0x80040202 DCOM Error

0x80070002 DCOM Error (The system cannot find the file specified)

0x80070005 DCOM Error (Access Denied)

0x8007007e DCOM Error (The specified module could not be found)

0x800702E4 (The requested operation requires elevation)

0x80070422 DCOM Error (The service cannot be started, either because it is disabled or because it has no enabled devices associated with it)

0x800706BA DCOM Error (The RPC server is unavailable)

0x80080005 DCOM Error (Server execution failed)

Availability and hours of operation: Monday–Friday, 8:00 A.M.–5:00 P.M. Mountain Time (UTC-7) in the United States and Canada.