Event ID 311 — Task Scheduler Engine Launching

Updated: December 6, 2007

Applies To: Windows Server 2008

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A task engine starts when a task is run for a specified principal (the security context the task runs under).

Event Details

Product: Windows Operating System
ID: 311
Source: Microsoft-Windows-TaskScheduler
Version: 6.0
Symbolic Name: SESSION_PROCESS_LAUNCH_FAILED
Message: Task Scheduler failed to start the "%1" task engine process due to an error occurring in "%3". The command is: "%2" . The error value is: %4.

Resolve

Use error code to identify the action failure

A failure occurred when the Task Scheduler attempted to start a task engine to run a task. Use the error code provided in the failure event to identify the cause of the failure. The following list contains information about possible error codes. The problem may also have been transient. In that case, retry the operation by attempting to restart the task that was trying to run.

Task Scheduler error codes:

SCHED_E_TRIGGER_NOT_FOUND
0x80041309

A task trigger is not found. Try to edit the task triggers.

SCHED_E_TASK_NOT_READY
0x8004130A

One or more of the properties required to run this task have not been set.

SCHED_E_TASK_NOT_RUNNING
0x8004130B

There is no running instance of the task.

SCHED_E_SERVICE_NOT_INSTALLED
0x8004130C

The Task Scheduler service is not installed on this computer.

SCHED_E_CANNOT_OPEN_TASK
0x8004130D

The task object cannot be opened.

SCHED_E_INVALID_TASK
0x8004130E

The object is either an invalid task object or is not a task object.

SCHED_E_ACCOUNT_INFORMATION_NOT_SET
0x8004130F

No account information could be found in the Task Scheduler security database for the task indicated. Set the account information for the task.

SCHED_E_ACCOUNT_NAME_NOT_FOUND
0x80041310

Unable to establish existence of the account specified. Set the account information for the task. 

SCHED_E_ACCOUNT_DBASE_CORRUPT
0x80041311

Corruption was detected in the Task Scheduler security database; the database has been reset.

SCHED_E_NO_SECURITY_SERVICES
0x80041312

Task Scheduler security services are available only on Windows NT.

SCHED_E_UNKNOWN_OBJECT_VERSION
0x80041313

The task object version is either unsupported or invalid.

SCHED_E_UNSUPPORTED_ACCOUNT_OPTION
0x80041314

The task has been configured with an unsupported combination of account settings and runtime options.

SCHED_E_SERVICE_NOT_RUNNING
0x80041315

The Task Scheduler Service is not running. Start the Task Scheduler service.

SCHED_E_UNEXPECTEDNODE
0x80041316

The task XML contains an unexpected node.

SCHED_E_NAMESPACE
0x80041317

The task XML contains an element or attribute from an unexpected namespace.

SCHED_E_INVALIDVALUE
0x80041318

The task XML contains a value which is incorrectly formatted or out of range.

SCHED_E_MISSINGNODE
0x80041319

The task XML is missing a required element or attribute.

SCHED_E_MALFORMEDXML
0x8004131A

The task XML is malformed.

SCHED_S_SOME_TRIGGERS_FAILED
0x0004131B

The task is registered, but not all specified triggers will start the task.

SCHED_S_BATCH_LOGON_PROBLEM
0x0004131C

The task is registered, but may fail to start. Batch logon privilege must be enabled for the task principal.

SCHED_E_TOO_MANY_NODES
0x8004131D

The task XML contains too many nodes of the same type.

SCHED_E_PAST_END_BOUNDARY
0x8004131E

The task cannot be started after the trigger end boundary.

SCHED_E_ALREADY_RUNNING
0x8004131F

An instance of this task is already running.

SCHED_E_USER_NOT_LOGGED_ON
0x80041320

The task will not run because the user is not logged on.

SCHED_E_INVALID_TASK_HASH
0x80041321

The task image is corrupt or has been tampered with.

SCHED_E_SERVICE_NOT_AVAILABLE
0x80041322

The Task Scheduler service is not available.

SCHED_E_SERVICE_TOO_BUSY
0x80041323

The Task Scheduler service is busy and cannot handle the request. Please try again later.

SCHED_E_TASK_ATTEMPTED
0x80041324

The Task Scheduler service attempted to run the task, but the task did not run due to one of the constraints in the task definition.

SCHED_S_TASK_QUEUED
0x00041325

The Task Scheduler service has instructed the task to run.

SCHED_E_TASK_DISABLED
0x80041326

The task is disabled.

SCHED_E_TASK_NOT_V1_COMPAT
0x80041327

The task has properties that are not compatible with earlier versions of Windows.

SCHED_E_START_ON_DEMAND
0x80041328

The task settings do not allow the task to start on demand.

Verify

Create a task for the user for which the task engine was failing to start and ensure that event 300, which indicates that the session started successfully, is logged in the Microsoft-Windows-TaskScheduler/Operational event log.

To define a task and register a task:

1. Click the Start button and type Task Scheduler in the Start Search box.

2. Select the Task Scheduler program to start Task Scheduler.

3. Click Create Task.

4. On the General tab, define a name for the task. On the Triggers tab, add a trigger to the task. On the Actions tab, define an action for the task. 

5. Click OK, and verify that no errors are reported when the task is created.

6. Select the newly created task and verify on the History tab that there are not any partial registration failures for the task.

To verify that events are in the Task Scheduler event log:

1. Click the Start button and type Event Viewer in the Start Search box.

2. Select the Event Viewer program to start Event Viewer.

3. Locate the Microsoft-Windows-TaskScheduler/Operational event log by expanding the Applications and Services Logs folder, expanding the Microsoft folder, expanding the Windows folder, expanding the TaskScheduler folder, and then clicking the Operational event log.

4. Verify that the event 300 is in the log.

Related Management Information

Task Scheduler Engine Launching

Management Infrastructure

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