FIX: "Invalid LPI" messages are logged in the Application log when you configure 3270 print session to use a PDT file in Host Integration Server

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Article ID: 980717 - View products that this article applies to.
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SYMPTOMS

In a Microsoft Host Integration Server 2009 environment, you configure a 3270 print session to use a Printer Definition Table (PDT) file. For each print job that contains a PDF file that does not have the "Printer language is HP PCL” option enabled, an error message that resemble the following is logged in the Application log:

Event ID: 5
Source: SNA Virtual Print Driver
Description: Invalid LPI.
Print Session: Print Session Name.
Printer: Printer Name.

Because of this problem, computers that receive many print jobs have a corresponding number of entries logged in the Application log.

Note This issue occurs in all versions of Host Integration Server. However, this hotfix applies only to Host Integration Server 2009.

RESOLUTION

Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing the problem described in this article. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site:
http://support.microsoft.com/contactus/?ws=support
Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Prerequisites

You must have Host Integration Server 2009 installed to apply this hotfix.

Restart requirement

You do not have to restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace other hotfixes.

File information

The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.
32-bit versions of Host Integration Server 2009
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File nameFile versionFile sizeDateTimePlatform
winvprt.dll8.0.3755.2208,72025-Feb-201015:40x86
64-bit versions of Host Integration Server 2009
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
winvprt.dll8.0.3755.2247,63225-Feb-201015:41x64

WORKAROUND

To work around this issue, on the print session properties windows, Job Format tab, select the "Printer Language is HP PCL" option. This enables the SNAPRINT service to send the correct LPI (Lines Per Inch) down to the printer by using the LPI that is defined in the Page Layout tab.

Note This only works for printers that understand PCL 2 or later versions.

MORE INFORMATION

After you apply this hotfix, add the following registry key to suppress the logging of the Event ID 5:
HKLM\system\currentcontrolset\services\snaprint\parameters

Name: SuppressVPEventID5
Type: REG_SZ
Value: TRUE

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

Properties

Article ID: 980717 - Last Review: October 6, 2011 - Revision: 2.0
APPLIES TO
  • Microsoft Host Integration Server 2009
Keywords: 
kbexpertiseinter kbsurveynew kbqfe KB980717

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