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All PCL inbox printer drivers become unsigned after you install the Microsoft .NET Framework 3.5 SP1 or the XPS Essentials Pack in Windows XP or in Windows Server 2003

Support for Windows XP has ended

Microsoft ended support for Windows XP on April 8, 2014. This change has affected your software updates and security options. Learn what this means for you and how to stay protected.

Support for Windows Server 2003 ended on July 14, 2015

Microsoft ended support for Windows Server 2003 on July 14, 2015. This change has affected your software updates and security options. Learn what this means for you and how to stay protected.

SYMPTOMS
Consider the following scenario. You have a computer that is running Windows XP or Windows Server 2003. You install the Microsoft .NET Framework 3.5 Service Pack 1 (SP1), XML Paper Specification (XPS) Essentials Pack, or any hotfix package that updates the Unidrv.dll file or other printer driver files. In this scenario, all Printer Control Language (PCL) inbox printer drivers become unsigned. Therefore, all PCL inbox printer driver installations are unsuccessful.

In this situation, all PCL inbox printer driver installations fail.
CAUSE
Inbox printer drivers are supposed to determine whether the Unidrv.dll file is signed in a catalog that is specified in the Ntprint.inf file. The path of this catalog file is displayed as "CatalogFile=ntprint.cat." When you use the Ntprint.inf file to install a driver, the system checks only for trusted files in the Ntprint.inf file.

However, if you install the .NET Framework 3.5 SP1, XPS Essentials Pack, or any hotfix package that updates the Unidrv.dll file or other printer driver files, binaries are signed in to a different .cat file than the Ntprint.cat file. Therefore, inbox driver installations fail.

Update information

Windows XP, 32-bit versions

The following file is available for download from the Microsoft Download Center:


DownloadDownload the Update for Windows XP (KB971314) package now.

For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:
119591 How to obtain Microsoft support files from online services
Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.

Windows Server 2003, 32-bit versions

The following file is available for download from the Microsoft Download Center:


DownloadDownload the Update for Windows Server 2003 (KB971314) package now.

For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:
119591 How to obtain Microsoft support files from online services
Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.

Windows Server 2003, x64-based versions and Windows XP Professional x64 Edition

The following file is available for download from the Microsoft Download Center:


DownloadDownload the Update for Windows Server 2003 x64 Edition (KB971314) package now.

For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:
119591 How to obtain Microsoft support files from online services
Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.

Windows Server 2003, Itanium-based versions

The following file is available for download from the Microsoft Download Center:


DownloadDownload the Update for Windows Server 2003 for Itanium-based Systems (KB971314) package now.

For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:
119591 How to obtain Microsoft support files from online services
Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.
STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
MORE INFORMATION
For more information about the Microsoft .NET Framework 3.5 SP1, visit the following Microsoft Web site:For more information about XPS Essentials Pack, visit the following Microsoft Web site:For more information, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates
Properties

Article ID: 971314 - Last Review: 08/25/2009 17:42:29 - Revision: 3.0

Microsoft Windows Server 2003, Datacenter Edition (32-bit x86), Microsoft Windows Server 2003, Datacenter Edition for Itanium-Based Systems, Microsoft Windows Server 2003, Datacenter x64 Edition, Microsoft Windows Server 2003, Enterprise x64 Edition, Microsoft Windows Server 2003, Enterprise Edition (32-bit x86), Microsoft Windows Server 2003, Enterprise Edition for Itanium-based Systems, Microsoft Windows Server 2003, Standard x64 Edition, Microsoft Windows Server 2003, Standard Edition (32-bit x86), Microsoft Windows XP Home Edition, Microsoft Windows XP Professional, Microsoft Windows XP Professional x64 Edition

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