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This article helps resolve an issue where you receive an error when you use the /z switch together with the Schtasks.exe command in Windows Vista.
Applies to: Windows Vista
Original KB number: 2004151
Symptoms
When you use the /z switch together with the Schtasks.exe command in Windows Vista, you may receive the following error message:
Error: The task XML is missing a required element or attribute.
The /z switch is used to delete a task after it's completed. For example, you can use the following command to start the Calc.exe process at a specified date and time:
schtasks /create /tn "calculator" /tr c:\Windows\System32\calc.exe /sc once /sd 12/02/2010 /st 03:39:00 /z
Note
This issue affects only the Schtasks.exe tool. You should be able to use the Scheduled Tasks interface to auto-delete a task after it's completed.
Cause
This issue occurs because of changes in the Task Scheduler service in Windows Vista.
Resolution
To resolve this issue, use the /V1 switch. The /V1 switch creates a task that is compatible with pre-Windows Vista platforms. For example, use the following command to start the Calc.exe process at a specified date and time in a pre-Windows Vista environment:
schtasks /create /tn "calculator" /tr c:\Windows\System32\calc.exe /sc once /sd 12/02/2010 /st 03:39:00 /V1 /Z
More information
For more information about the /V1 switch, visit the following MSDN website: