Update: To run the Scheduler users require the Create Global Objects right.
Administrative Tools, Local Security Policy. Under Security Settings, Local Policies, User Rights Assignment, Create Global Objects. Users or groups can then be assigned this right.
Looking on an XP workstation, Interactive users appear to get this right by default. On Server 2008 it appears they don't. I haven't checked Windows 7.
Update: To run the Scheduler users require the Create Global Objects right.
Administrative Tools, Local Security Policy. Under Security Settings, Local Policies, User Rights Assignment, Create Global Objects. Users or groups can then be assigned this right.
Looking on an XP workstation, Interactive users appear to get this right by default. On Server 2008 it appears they don't. I haven't checked Windows 7.