Connection to Oracle database fails when you use Microsoft ODBC or OLE DB Driver for Oracle or Microsoft DTC in Windows

This article describes an issue that occurs when you use Microsoft ODBC or OLE DB Driver for Oracle or Microsoft Distributed Transaction Coordinator (DTC) to connect to Oracle database in Windows 8.1, Windows Server 2012 R2, Windows Server 2012, Windows 7 Service Pack 1 (SP1), Windows Server 2008 R2 SP1, Windows Vista Service Pack 2 (SP2), or Windows Server 2008 SP2. Before you install this update, see the Prerequisites section.

NoteThis issue may occur after you install security update 3126587.

How to get this update

ImportantIf you install a language pack after you install this update, you must reinstall this update. Therefore, we recommend that you install any language packs that you need before you install this update. For more information, see Add language packs to Windows.

Method 1: Windows Update

This update is provided as a Recommended update on Windows Update. For more information on how to run Windows Update, see How to get an update through Windows Update.

Method 2: Microsoft Download Center

The following files are available for download from the Microsoft Download Center:
Operating systemUpdate
All supported x86-based versions of Windows 8.1DownloadDownload the package now.
All supported x64-based versions of Windows 8.1 DownloadDownload the package now.
All supported x64-based versions of Windows Server 2012 R2DownloadDownload the package now.
All supported x64-based versions of Windows Server 2012DownloadDownload the package now.
All supported x86-based versions of Windows 7 DownloadDownload the package now.
All supported x64-based versions of Windows 7DownloadDownload the package now.
All supported x64-based versions of Windows Server 2008 R2DownloadDownload the package now.
All supported IA-based versions of Windows Server 2008 R2DownloadDownload the package now.
All supported x86-based versions of Windows Vista DownloadDownload the package now.
All supported x64-based versions of Windows VistaDownloadDownload the package now.
All supported x86-based versions of Windows Server 2008DownloadDownload the package now.
All supported x64-based versions of Windows Server 2008DownloadDownload the package now.
All supported IA-based versions of Windows Server 2008DownloadDownload the package now.
For more information about how to download Microsoft support files, select 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.
Update detail information

Prerequisites

To install this update, you should first install April 2014, update rollup for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 (2919355) in Windows 8.1 or Windows Server 2012 R2. Or, install Service Pack 1 for Windows 7 or Windows Server 2008 R2. Or, install Service Pack 2 for Windows Vista and for Windows Server 2008.

Additionally, you have to install security update 3126587 before you install the update that is described in this article.

Registry information

To apply this update, you don't have to make any changes to the registry.

Restart requirement

You may have to restart the computer after you apply this update.

Update replacement information

This update doesn't replace a previously released update.
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
References
Learn about the terminology that Microsoft uses to describe software updates.

Third-party information disclaimer

The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.

File information
For a list of the files that are provided in this update, download the file information for update 3147071.
Properties

Article ID: 3147071 - Last Review: 04/22/2016 07:27:00 - Revision: 8.0

Windows Server 2012 R2 Datacenter, Windows Server 2012 R2 Standard, Windows Server 2012 R2 Essentials, Windows Server 2012 R2 Foundation, Windows 8.1 Enterprise, Windows 8.1 Pro, Windows 8.1, Windows Server 2012 Datacenter, Windows Server 2012 Standard, Windows Server 2012 Essentials, Windows Server 2012 Foundation, Windows Server 2008 R2 Service Pack 1, Windows 7 Service Pack 1, Windows Server 2008 Service Pack 2, Windows Vista Service Pack 2

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