Error 0x8007005 Access Is Denied

I had a problem today when I was trying to schedule a Windows Backup on Windows XP. The user had no password, so when I entered the credentials to run the scheduled task under, I got a 0x8007005 Access Is Denied error.

After some searching I found the solution at

  • Open regedit (click start, run, type regedit, press enter or click OK), in the left pane tree navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa
  • Click on that key in the left pane to show its contents in the right pane.
  • See if there is a value called limitblankpassworduse
  • If it exists, make sure its data is 0 (if not right cdick on it, click modify and set it to 0)
  • If it does not exist, right click in the right pane, click new, DWord value, name it limitblankpassworduse
    and set its data to 0.
  • Close regedit.

After that I was able to schedule the task with no problems, and it ran fine.



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