T.2.8.2 When [Pass-Through Configuration Tool] is
double-clicked, is the following message displayed?
Cause
If the following error
message appears when you try to start the Pass-Through
Configuration Tool, the virtual COM port driver may not have been
installed.
Solution
Make sure that two or more COM ports have been registered.
Click the Start button, select [Settings], [Control
Panel], and double-click [System].
After the [System Properties] window opens, click
the [Hardware] tab and select [Device Manager].
Make sure that two or more COM ports have been
registered in [Ports (COM & LPT)].
When [Device Manager] does not display any COM
ports for [Pass-Through for User]
Select [Show hidden devices] from the [View] menu to display all
COM ports.
When [Device Manager] displays a different
number of COM ports for [Pass-Through for AGP] and [Pass-Through
for User] (example, two and three ports)
Uninstall the Pass-Through Configuration Tool and the virtual COM
port driver.
To uninstall the virtual COM port driver, be
sure to refer to the following Pass-Through Configuration Tool
guide to understand the procedure completely.
Pass-Through Configuration Tool
installation GP-Pro
EX Device/PLC Connection Manual, Pass-through function guide,
Appendix 5.1 Uninstallation of Virtual COM pass driver/Virtual COM
port driver
Device/PLC Connection Manual, Chapter 2
Installation