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I have a backup script that uses robocopy to copy files from my computer to an external USB drive.

I added the script to Windows 7 Task Scheduler. It works, but it takes around 4 hours to copy everything.

If I run the script manually it takes around 45 to 50 minutes.

I enabled the "Run with highest privileges" option.

Any ideas why it's so slow when running from the task scheduler? Thanks

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up vote 3 down vote accepted

Try this -

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Welcome to Super User! Whilst this may theoretically answer the question, it would be preferable to include the essential parts of the answer here, and provide the link for reference. – Sathya Jun 26 '12 at 10:08
Thanks!, this was a step in the correct direction. What I did was export the task to XML. modify the Priority to 4 (normal) and then import the new task. More info… – Alex Angelico Jul 17 '12 at 20:43
Yes! Export to XML, delete the task, open the XML with notepad, change priority to 4, and Import the task. Worked wonders for me. – Brent Jan 20 '14 at 22:39

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