RPTJ1007E   
The Driver: %1 has encountered a communication error. Please refer to Problem Determination Log for more details. For more information, see the Troubleshooting section of the online help.

Explanation

The agent computer that the message specifies encountered a problem when trying to run a command sent from the workbench.

User response

Check the error log for messages from the agent computer that the error message specifies. Click Window > Show View > Error Log. Check the test log for any failures from virtual users. This message might be displayed when you add or remove users manually or by means of schedule stages.
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