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USE THE AT COMMAND TO SCHEDULE TASKS

 * Article
 * 09/23/2021
 * 2 contributors

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IN THIS ARTICLE

This article describes how to use the at command to create and to cancel
scheduled tasks.

Applies to:   Windows 2000
Original KB number:   313565

Note

This article applies to Windows 2000. Support for Windows 2000 ends on July 13,
2010. For more information, see the Microsoft Support Lifecycle Policy.


SUMMARY

In Windows 2000, you can use the Task Scheduler tool in Control Panel to
schedule tasks. You can also use the at command to schedule tasks manually.


OVERVIEW OF THE AT COMMAND

You can use the at command to schedule a command, a script, or a program to run
at a specified date and time. You can also use this command to view existing
scheduled tasks.

To use the at command, the Task Scheduler service must be running, and you must
be logged on as a member of the local Administrators group. When you use the at
command to create tasks, you must configure the tasks so that they run in the
same user account.

The at command uses the following syntax:

 * at \\computername time/interactive | /every: date, ... /next: date, ...
   command

 * at \\computername id/delete | /delete /yes

The following list describes the parameters that you can use with the at
command:

 * \computername: Use this parameter to specify a remote computer. If you omit
   this parameter, tasks are scheduled to run on the local computer.

 * time: Use this parameter to specify the time when the task is to run. Time is
   specified as hours: minutes based on the 24-hour clock. For example, 0:00
   represents midnight and 20:30 represents 8:30 P.M.

 * /interactive: Use this parameter to allow the task to interact with the
   desktop of the user who is logged on at the time the task runs.

 * /every: date,... : Use this parameter to schedule the task to run on the
   specified day or days of the week or month, for example, every Friday or the
   eighth day of every month. Specify date as one or more days of the week (use
   the following abbreviations: M,T,W,Th,F,S,Su) or one or more days of the
   month (use the numbers 1 through 31). Make sure that you use commas to
   separate multiple date entries. If you omit this parameter, the task is
   scheduled to run on the current day.

 * /next: date, ...: Use this parameter to schedule the task to run on the next
   occurrence of the day (for example, next Monday). Specify date as one or more
   days of the week (use the following abbreviations: M,T,W,Th,F,S,Su) or one or
   more days of the month (use the numbers 1 through 31). Make sure that you use
   commas to separate multiple date entries. If you omit this parameter, the
   task is scheduled to run on the current day.

 * command: Use this parameter to specify the Windows 2000 command, the program
   (.exe or .com file), or the batch program (.bat or .cmd file) that you want
   to run. If the command requires a path as an argument, use the absolute path
   name (the entire path beginning with the drive letter). If the command is on
   a remote computer, use the Uniform Naming Convention (UNC) path name
   (\ServerName\ ShareName). If the command is not an executable (.exe) file,
   you must precede the command with cmd /c, for example, cmd /c copy C:\*.*
   C:\temp.

 * id: Use this parameter to specify the identification number that is assigned
   to a scheduled task.

 * /delete: Use this parameter to cancel a scheduled task. If you omit the id
   parameter, all scheduled tasks on the computer are canceled.

 * /yes: Use this parameter to force a yes answer to all queries from the system
   when you cancel scheduled tasks. If you omit this parameter, you are prompted
   to confirm the cancellation of a task.

Note

When you use the at command, the scheduled task is run by using the credentials
of the system account.


CREATE A SCHEDULED TASK

 1. Click Start, point to Programs, point to Accessories, and then click Command
    Prompt.

 2. At the command prompt, type the net start command, and then press ENTER to
    display a list of currently running services:
    
    If Task Scheduler is not displayed in the list, type the following line, and
    then press ENTER:
    
    net start "task scheduler"
    

 3. At the command prompt, type the following line (use the parameters that are
    appropriate to your situation), and then press ENTER:
    
    at \\computername time/interactive | /every: date, ... /next: date, ... command  
    


EXAMPLES

 * To copy all files from the Documents folder to the MyDocs folder at midnight,
   type the following line, and then press ENTER:
   
   at 00:00 cmd /c copy C:\Documents\*.* C:\MyDocs
   

 * To back up the Products server at 11:00 P.M. each weekday, create a batch
   file that contains the backup commands (for example, Backup.bat), type the
   following line, and then press ENTER to schedule the backup:
   
   at \\products 23:00 /every:M,T,W,Th,F backup
   

 * To schedule a net share command to run on the Sales server at 6:00 A.M. and
   to redirect the listing to the Sales.txt file in the shared Reports folder on
   the Corp server, type the following line, and then press ENTER:
   
   at \\sales 06:00 cmd /c "net share reports=d:\Documents\reports >> \\corp\reports\sales.txt"
   


CANCEL A SCHEDULED TASK

 1. Click Start, point to Programs, point to Accessories, and then click Command
    Prompt.

 2. At the command prompt, type the net start command, and then press ENTER to
    display a list of currently running services.
    
    If Task Scheduler is not displayed in the list, type the following line, and
    then press ENTER:
    
    net start "task scheduler"
    

 3. At the command prompt, type the following line (use the parameters that are
    appropriate to your situation), and then press ENTER:
    
    at \\computername id /delete | /delete /yes
    


EXAMPLES TO CANCEL SCHEDULED TASKS

 * To cancel all tasks that are scheduled on the local computer, type at
   /delete, and then press ENTER.
 * To cancel the task ID 8 on a computer that is named MyServer, type at
   \\MyServer 8 /delete, and then press ENTER.


VIEW SCHEDULED TASKS

To view the tasks that you created by using the at command, follow these steps:

 1. Click Start, point to Programs, point to Accessories, and then click Command
    Prompt.

 2. At the command prompt, type the net start command, and then press ENTER to
    display a list of currently running services.
    
    If Task Scheduler is not displayed in the list, type the following line, and
    then press ENTER:
    
    net start "task scheduler"
    

 3. At the command prompt, do one of the following steps:
    
    * To view a list of tasks that you scheduled by using the at command, type
      the at \\computername line, and then press ENTER.
    * To view a specific scheduled task, type the at \\computername id command,
      and then press ENTER.


EXAMPLES TO VIEW SCHEDULED TASKS

 * To view all scheduled tasks on the local computer, type at, and then press
   ENTER.
 * To view all scheduled tasks on a computer named Support, type at \\support,
   and then press ENTER.
 * To view the task ID 18 on the local computer, type at 18, and then press
   ENTER.


TROUBLESHOOTING

 * When you type at \\computername to view a list of scheduled tasks, some (or
   all) of the scheduled tasks that you created by using the at command are not
   listed.
   
   This behavior can occur if you modified the tasks in the Scheduled Tasks
   folder after you used the at command to create the task. When you use the at
   command to schedule a task, the task is displayed in the Scheduled Tasks
   folder in Control Panel. You can view or modify the task. However, if you
   modify the task, when you use the at command, you cannot view the task.

 * When you use the at command to schedule a task, the task does not run at the
   specified time or date.
   
   This behavior can occur if one of the following conditions is true:
   
   * The command syntax is incorrect.
     
     After you schedule a task, type at \\computername to confirm that the
     syntax is correct. If the information that is displayed under Command Line
     is incorrect, cancel the task, and then recreate it.
   
   * You schedule a task to run a command that is not a .exe file.

The at command does not automatically load cmd (the command interpreter) before
it runs commands. Unless you are running a .exe file, you must load Cmd.exe at
the beginning of the command, for example, at cmd /c dir > c:\test.txt.


REFERENCES

For more information about how to use the at command in Windows 2000, see
Windows 2000 Help. To do so, click Start, click Help, click the Index tab, and
then type at command.





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Theme
 * Light
 * Dark
 * High contrast

 * 
 * Previous Versions
 * Blog
 * Contribute
 * Privacy
 * Terms of Use
 * Trademarks
 * © Microsoft 2023