Microsoft KB Archive/72034

= LAN Manager 2.0 Enhanced DOS Netpopup =

Article ID: 72034

Article Last Modified on 10/31/2006



This article was previously published under Q72034



SYMPTOMS
When a printer is temporarily out of service because the paper is jammed, no paper is in the paper tray, or the printer is off-line, normally a message is sent to the DOS or OS/2 workstation stating that the printer is unavailable to complete the print job. However, quite often a DOS Enhanced workstation will not display the message concerning the unavailability of the printer.



CAUSE
The messenger section of LANMAN.INI contains a parameter called sizmessbuf. On OS/2 workstations, the default value for sizmessbuf is 4096 bytes. On DOS Enhanced workstations, the default value for sizmessbuf is 256. When a message is received whose total size is larger than the message buffer size, the message is dropped. The printer unavailability message can easily exceed the 256-byte buffer size.



RESOLUTION
Increase sizmessbuf to accommodate longer messages. Doubling the default value to a 512 byte buffer should be sufficient for the printer messages. Please note, however, that doubling this value will affect the total available memory to the DOS workstation.

Additional query words: 2.00 2.10 2.10a 2.20 print

Keywords: KB72034

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