Troubleshooting

Behavior	Description
Cannot export nodeset to TwinCAT OPC UA Server. The log shows an error “Failed to write …”.	Please make sure that you have write access to the TwinCAT OPC UA Server installation directory. If the TwinCAT OPC UA Server has been installed to the %ProgramFiles% directory, please make sure to start the TwinCAT OPC UA Nodeset Editor as Administrator using the “Run As Administrator” option.
I have deployed my nodeset to the TwinCAT OPC UA Server but the server namespace does not show my configured nodes.	Please make sure that you have configured the correct installation path of the TwinCAT OPC UA Server in the application settings. On a 32-bit system, the Win32 installation directory is used whereas on a 64-bit system the Win64 directory is used to execute the TcOpcUaServer.exe. You can also double-check which directory used via the Windows Task Manager by navigating to the TcOpcUaServer process and selecting Open file location from the context menu.

Behavior

Description

Cannot export nodeset to TwinCAT OPC UA Server. The log shows an error “Failed to write …”.

Please make sure that you have write access to the TwinCAT OPC UA Server installation directory. If the TwinCAT OPC UA Server has been installed to the %ProgramFiles% directory, please make sure to start the TwinCAT OPC UA Nodeset Editor as Administrator using the “Run As Administrator” option.

I have deployed my nodeset to the TwinCAT OPC UA Server but the server namespace does not show my configured nodes.

Please make sure that you have configured the correct installation path of the TwinCAT OPC UA Server in the application settings. On a 32-bit system, the Win32 installation directory is used whereas on a 64-bit system the Win64 directory is used to execute the TcOpcUaServer.exe. You can also double-check which directory used via the Windows Task Manager by navigating to the TcOpcUaServer process and selecting Open file location from the context menu.