You may notice that some tasks in the console are showing as failed. When looking at the details you may see the following as the cause:
Task was stopped because it took longer than the allowed time. Please verify that a maintenance window is not preventing task execution. To change the task timeout setting go the task's advanced properties.
ITMS 8.6
Task running on the client may be timing out.
Return code -1003 is a timeout error meaning the task was terminated on the client-side because the task handler failed to finish the task in the specified amount of time. The timeout is specified in the task in the console. Try modifying the client task advanced tab, and change the timeout to a higher value.