Can't unlock taskbar in Windows XP

If you right click on the taskbar in Windows XP SP2, there is the option to lock the tkasbar.  Now when I try to unlock it to move some things around, the option to unlock it is greyed out.  I can't unlock the task bar.  I checked the Group Policies for my domain and there don't appear to be any that would restrict the task bar.  I am not using any local policies.  I don't recall changing anything that would cause this.  Does anyone know of any other places where I could check to try to re-enable this option?

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If you've already checked the Group Policy, check these registry values:

Open Registry Editor (Click Start, Run, and type regedit) and go to:
HKEY_CURRENT_USER \ Software \ Microsoft \ Windows \ CurrentVersion \ Policies \ Explorer
In the right-pane, delete the LockTaskbar value. (If present)

Navigate to HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced.
Double-click TaskbarSizeMove.
Set the TaskbarSizeMove value to 0 to lock the taskbar or to 1 to unlock the taskbar, then click OK.
Close the registry editor.

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MCPJoeAuthor Commented:
Thanks for the suggestion, just after I posted this, I found the setting, it was in my GPO, I had just overlooked it.  Oops.  Your suggestion would have worked as well, so thanks!!!
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Windows XP

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