In NT Server 4.0, one can change global print job priority:
Hive: HKEY_LOCAL_MACHINE
Key: SYSTEM\CurrentControlSet\Control\Print
Name:
SchedulerThreadPriority
Type: REG_DWORD
Value: 1 Above normal priority
Value: 0 normal (default) priority
Value:
ffffffff Below normal priority
Restart the computer or restart the Spooler service to make the change
take effect. To restart the Spooler service, type the following at a command
prompt:
net stop spooler
net start spooler
