The Driver: %1 has become unresponsive, possibly due to an out-of-memory condition.
At last notification this Driver was using %2 percent of its allocated memory.
Please refer to the "Increasing memory allocation" Help topic for information on how to increase memory allocation. For more information, see the Troubleshooting section of the online help.
The workbench cannot communicate with the agent computer. The agent computer might have a memory allocation problem.
Try running the schedule again, using the default values for Test Log and Problem Determination log levels.
Follow the instructions in Increasing memory allocation. Set the memory allocation to the size of physical memory minus 256 megabytes, up to a limit of 1500 megabytes. For example, on an agent computer with one gigabyte of physical memory, set the memory allocation to 756 megabytes.