Troubleshooting OPC Applications
Resolve unexpected OPC application issues in Industrial Communication Toolbox™
You may encounter some unexpected issues while attempting to query, connect or communicate with an OPC server. Use the client and server logs to diagnose and solve problems.
Functions
opcuaserverinfo | Query host for installed OPC UA servers | 
opcsupport | OPC HDA troubleshooting utility | 
opchdaserverinfo | Query host for installed HDA servers | 
Troubleshooting
Specific suggestions for the most common problems communicating with OPC UA servers.