TASK_INSTANCES_POLICY enumeration (taskschd.h)

Defines how the Task Scheduler handles existing instances of the task when it starts a new instance of the task.

Syntax

typedef enum _TASK_INSTANCES_POLICY {
  TASK_INSTANCES_PARALLEL = 0,
  TASK_INSTANCES_QUEUE = 1,
  TASK_INSTANCES_IGNORE_NEW = 2,
  TASK_INSTANCES_STOP_EXISTING = 3
} TASK_INSTANCES_POLICY;

Constants

TASK_INSTANCES_PARALLEL Value: 0 Starts new instance while an existing instance is running.
TASK_INSTANCES_QUEUE Value: 1 Starts a new instance of the task after all other instances of the task are complete.
TASK_INSTANCES_IGNORE_NEW Value: 2 Does not start a new instance if an existing instance of the task is running.
TASK_INSTANCES_STOP_EXISTING Value: 3 Stops an existing instance of the task before it starts a new instance.

Requirements

Requirement	Value
Minimum supported client	Windows Vista [desktop apps only]
Minimum supported server	Windows Server 2008 [desktop apps only]
Header	taskschd.h

See also

Task Scheduler Enumerated Types