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Check Windows Task Scheduler Status and Last Run Time

Task Scheduler is an awesome tool that every Sys Admin should be familiar with it.

Task Scheduler in a way can help automate task, if the task is repetitive or a task that has to be done at a certain date and time, or a task has to be done once a week, once a month or even once a year. Task Scheduler is the best tool for this scenario.

In this busy world of digital technology, who can keep remembering that a task must be done on a specific date and time. Yes, it might works once but as time goes on and task or jobs of a Sys Admin keep filing up chances are the task might be forgotten and the person-in-charge might just remember the things that needs to be done if there is an issue that happens already.

So, Task Scheduler is a tool in which you test once, set if tested okay and forget about it. Test to make sure that the task to be set, works properly and just forgot about it; it will do the task repetitively albeit depends on the settings that was set.

Of course, Task Scheduler can also be a good tool for any bad actor. Since it can be used to run a malicious task; a bad actor can used it to run a certain application and run it automatically to control or collect data on the computer at a specified date and time.

In this regard, it’s also a good thing to list what things are set on the Task Scheduler.

How to list all scheduled Task set on Task Scheduler?

Of course, we can always use the GUI and check it one by one. Command line can also be used an export the data on Task Scheduler and export it to a file for later analysis, or basically collect all the data and examine later. 

Or used the data as a based file and compare it later to check what has changed or what has been added. It’s a good thing to know what’s going on in the system.

Here’s the command to list all Task via command line:

schtasks /query /fo LIST /v > c:\temp\allTask.txt

schtasks /query /fo CSV /v > c:\temp\allTask.csv

Above command will list detailed settings of the Task Scheduler and has a lot of data.

To filter only, “Enabled” Task use this command:

schtasks /query /fo LIST /v | FINDSTR “TaskName Enabled"

Example output:
TaskName:                             \Microsoft\Windows\Subscription\EnableLicenseAcquisition

Scheduled Task State:                 Enabled

TaskName:                             \Microsoft\Windows\Subscription\LicenseAcquisition

TaskName:                             \Microsoft\Windows\Subscription\LicenseAcquisition

TaskName:                             \Microsoft\Windows\Subscription\LicenseAcquisition

TaskName:                             \Microsoft\Windows\Sysmain\HybridDriveCachePrepopulate

TaskName:                             \Microsoft\Windows\Sysmain\HybridDriveCacheRebalance

TaskName:                             \Microsoft\Windows\Sysmain\ResPriStaticDbSync

Scheduled Task State:                 Enabled

TaskName:                             \Microsoft\Windows\Sysmain\WsSwapAssessmentTask

Scheduled Task State:                 Enabled

TaskName:                             \Microsoft\Windows\SystemRestore\SR

Scheduled Task State:                 Enabled

TaskName:                             \Microsoft\Windows\Task Manager\Interactive

Scheduled Task State:                 Enabled



To query a single Task and check “Last Run Time “ and “Last Run Result” to know whether the task has run successfully or not, use this command:

schtasks /query /TN "\Microsoft\Windows\Work Folders\Work Folders Maintenance Work" /fo LIST /v | FINDSTR  "Last Run Time Last Result"

Sample output:

Next Run Time:                        N/A

Last Run Time:                        27/8/2020 4:55:41 PM

Last Result:                          0

Task To Run:                          COM handler

Idle Time:                            Disabled

Run As User:                          INTERACTIVE

Stop Task If Runs X Hours and X Mins: 24:00:00

Start Time:                           N/A

Repeat: Until: Time:                  N/A

Repeat: Stop If Still Running:        N/A


If "Last Result" is equals to "zero" then the Task has run successfully, if the result is not "zero" or "0" then the task has to be checked or there is a problem on the scheduled Task. 

To show all the details for a single task the just omit the pipe option:

schtasks /query /TN "\Microsoft\Windows\Work Folders\Work Folders Maintenance Work" /fo LIST /v

To use the command line in PowerShell, add the ampersand or "&" before the command line.

Example:

& schtasks /query /fo LIST /v > c:\temp\allTask.txt

& schtasks /query /fo CSV /v > c:\temp\allTask.csv

& schtasks /query /fo LIST /v | FINDSTR “TaskName Enabled" > c:\temp\enabledTask.txt

& schtasks /query /TN "\Microsoft\Windows\Work Folders\Work Folders Maintenance Work" /fo LIST /v | FINDSTR  "Last Run Time Last Result" > c:\temp\TaskResult.txt


Cheers...till next time. Stay safe and keep praying that this pandemic will end.

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