You can try it with the command line tool, schtasks.exe; /s allows you to specify a remote machine, /change will let you edit a task:
Schtasks.exe
http://msdn.microsoft.com/en-us/library/bb736357(VS.85).aspxHow to use Schtasks.exe to Schedule Tasks in Windows Server 2003
http://support.microsoft.com/kb/814596