Printing Through HPMON(DLC) May Cause Print Subsystem to Hang

Last reviewed: September 7, 1996
Article ID: Q130876

The information in this article applies to:

Microsoft Windows NT Workstation version 3.51
Microsoft Windows NT Server version 3.51 ------------------------------------------------------------------------

SYMPTOMS

The system displays a dialog box containing the following message when you print to a network printer attached to the network through HPMON:

   Spoolss.exe
   The driver \driver\dlc failed to complete an i/o request in the
   allotted time.

While the dialog is displayed, the print subsystem (SPOOLSS) and all applications interacting with it are locked up, until the dialog is cleared when you select OK.

CAUSE

On a Windows NT system with a large amount of DLC traffic, the thread writing data to a network attached printer may time-out while waiting for the I-frame to be transmitted. After timing out, the thread exits and in the thread termination processing, the system finds and cancels all outstanding I/O requests for this thread. A dialog box containing information regarding the failing driver is then displayed.

STATUS

Microsoft has confirmed this to be a problem in Windows NT version 3.51. This problem was corrected in the latest Windows NT 3.51 U.S. Service Pack. For information on obtaining the Service Pack, query on the following word in the Microsoft Knowledge Base (without the spaces):

   S E R V P A C K

KBCategory: kbnetwork
KBSubcategory: ntprint NTSrvWkst
Additional reference words: 3.51 prodnt hang hung

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Last reviewed: September 7, 1996
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