An SNA Server 3270 Print Session gets stuck in Spooling status forever and all printing for that print session stops. You have to stop the SNA Print Service and restart in order to recover.
The problem happens when print sessions are stopped while print jobs are still being spooled and other print sessions are still running. The Spooling status bit is never unset (because of a bug in the code that was supposed to do this), and SNA Manager will display this status in preference to any other status bit which may be set (closing, inactive and so on). Therefore, the status bar sits at Spooling and never gets updated with the real status.
Microsoft has confirmed this to be a problem in SNA Server 3.0 and 3.0 sp1. This problem was corrected in the latest SNA Server version 3.0 U.S. Service Pack. For information on obtaining this Service Pack, query on the following word in the Microsoft Knowledge Base (without the spaces):
S E R V P A C K
With the fix applied, printing status is set to idle whenever SNA Print Service ends the current print job.
Article ID: 169854 - Last Review: Jun 22, 2014 - Revision: 1