windows 7 User State Migration tool

At work we are running windows 7 enterprise. the other day I was experimenting with USMT ( user state migration tool ) and was surprised at how easy it is. I got the software from the automated installation kit, and ran this on a computer I am transferring data from
scanstate \\servershare\migration  /i:migdocs.xml /i:migapp.xml /v:13 /l:scan.log
then on the target pc I ran
loadstate \\servershare\migration /i:migdocs.xml /i:migapp.xml /lac /lae /v:13 /l:"C:migrate\migrate.log"
and it worked great! Then I thought that since this is being run from an elevated command prompt, I should be able to run it with psexec. I want to run it with psexec because I have a computer I need to upgrade, and the user hasn't gotten back to me yet. So in the meantime I could run scanstate and the loadstate on the computer I would be upgrading her to. Then, when she gets back to me, all I have to do is swap the computers. However, when I tried this it keep getting errors, even though I'm using the same commands.
Is there some reason scanstate doesn't run when using psexec?
or maybe a better question is, has anyone tried successfully to run scanstate using psexec?
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Does USMT need to be run as logged in user? If so I dont believe psexec can do this.
David Johnson, CD, MVPOwnerCommented:
you have to run as system  use the -s command line option

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JeffBeallAuthor Commented:
Thank you for the help. Guess what happened! I looked at the logs, and found a bunch of registry hives that where saying access denied. No matter if I was running as admin or with the -s switch. So on a hunch I tried psloggedon and found that the use was logged in! I logged her out, and scanstate worked.
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Windows 7

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