How to obtain the latest service pack for the Microsoft Jet 4.0 Database Engine

This article describes how to determine the current Microsoft Jet 4.0 Database Engine release level. This article gives you information about how to download the latest service pack for the Jet 4.0 Database Engine, gives you setup instructions, lists the files that are included with the latest Jet service pack and Jet security bulletins, and then gives you the history of the Jet 4.0 service packs.

Important You must install the latest Jet update to keep your Jet database in good working condition. For more information about other best practices, click the following article number to view the article in the Microsoft Knowledge Base:

How to determine the current release level of Jet 4.0

To determine the Jet 4.0 release level that is currently installed on your computer, follow these steps.

Note Because there are several versions of Microsoft Windows, the following steps may be different on your computer. If they are, see your product documentation to complete these steps.

1. Click Start, and then click Search.
2. In the Search Results pane, click All files and folders under Search Companion.
3. In the All or part of the file name box, type Msjet40.dll, and then click Search.
4. In the list of files, right-click the Msjet40.dll file that is located in the Windows\System32 folder or in the Windows\System folder, and then click Properties.
   
   Note On 64-bit versions of Windows operating systems, the Msjet40.dll file is in the Windows\SysWOW64 folder.
5. Click the Version tab, and then use the following table to determine the current Jet 4.0 service pack level:

Note If you have a version of Msjet40.dll that is not previously listed, you probably have a hotfix installed. If this is the case, go back to the next earlier version number to determine your release level.

Download the latest Jet 4.0 service pack

There are five versions of the Jet 4.0 Service Pack 8 (SP8) download.

• The first download is only for computers that are running Windows 2000.
• The second download is only for computers that are running Windows XP.
• The third download is only for computers that are running Windows Server 2003.
• The fourth download is only for computers that are running Windows 95, Windows 98, or Windows NT 4.0.
• The fifth download is only for computers that are running Windows Millennium Edition.

Each download contains updated versions of several .dll files that are included with Windows 2000 and later, Access 2000, Access 2002, Microsoft Office 2000 Developer, Microsoft Office XP Developer, Microsoft Visual Basic version 6.0 and later, and other Microsoft products that incorporate the Microsoft Jet 4.0 Database Engine.

The Access 2002 Setup program only updates system files on certain versions of Windows and to a certain level. The Access 2003 Setup program does not update any system files. Therefore, after you install Access you may not have the latest version of the Jet 4.0 Database Engine. Use the links in this article to obtain the latest service pack for the Jet 4.0 Database Engine.

If you have previously installed the latest Jet service pack for Access or for another application that uses the Jet 4.0 Database Engine, you do not have to install the latest Jet service pack for Access again if you install a later version of Access.

For computers that are running Windows Vista and later versions

If you are running Windows Vista or a later version,�you have a later version of Jet 4.0 than the version that is included with Jet 4.0 SP8.

For computers that are running Windows Server 2008 and later versions

If you are running Windows Server 2008 or a later version, you have a later version of Jet 4.0 than the version that is included with Jet 4.0 SP8�

For computers that are running Microsoft Windows XP

If you are running Windows XP SP2, you have a later version of Jet 4.0 than the version that is included with Jet 4.0 SP8. We recommend that you install the latest service pack for Windows XP. For more information about how to obtain the latest service pack for Windows XP, click the following article number to view the article in the Microsoft Knowledge Base: If you cannot install Windows XP SP2, you can use WindowsXP-KB829558-x86-ENU.exe to install Jet 4.0 Service Pack 8 on computers that are running Windows XP. Click the following link to download and to install the correct version of Jet 4.0 Service Pack 8 on computers that are based on the language version of Windows XP that is running on the computer.

• WindowsXP-KB829558-x86-ENU.exe

For computers that are running Microsoft Windows Server 2003

If you are running Windows Server 2003 SP1 or a later version, you have a later version of Jet 4.0 than the version that is included with Jet 4.0 SP8. We recommend that you install the latest service pack for Windows Server 2003. For more information about how to obtain the latest service pack for Windows Server 2003, click the following article number to view the article in the Microsoft Knowledge Base: If you cannot install Windows Server 2003 SP1 or a later version, you can use WindowsServer2003-KB829558-x86-ENU.exe to install Jet 4.0 Service Pack 8 on computers that are running Windows Server 2003. Click the following link to download and to install the correct version of Jet 4.0 Service Pack 8 on computers that are based on the language version of Windows Server 2003 that is running on the computer.

• WindowsServer2003-KB829558-x86-ENU.exe

For computers that are running Microsoft Windows 2000

If you are running Windows 2000 Service Pack 4 Update Rollup 1, you have a later version of Jet 4.0 than the version that is included with Jet 4.0 SP 8. We recommend that you install the latest service pack for Windows 2000. For more information about how to obtain the latest service pack for Windows 2000, click the following article number to view the article in the Microsoft Knowledge Base: If you cannot install Windows 2000 Service Pack 4 Update Rollup 1, you can use Windows2000-KB829558-x86-ENU.exe to install Jet 4.0 Service Pack 8 on computers that are running Windows 2000. Click the following link to download and to install the correct version of Jet 4.0 Service Pack 8 on computers that are based on the language version of Windows 2000 that is running on the computer.

• Windows2000-KB829558-x86-ENU.exe

For computers that are running Microsoft Windows 95, Microsoft Windows 98, or Microsoft Windows NT 4.0

Use Jet40SP8_9xNT.exe to install Jet 4.0 Service Pack 8 on computers that are running Windows 95, Windows 98, or Windows NT 4.0. The following files are available for download from the Microsoft Download Center:

Download the Jet40SP8_9xNT.exe package now.

For computers that are running Microsoft Windows Millennium Edition

Use Jet40SP8_WMe.exe to install Jet 4.0 Service Pack 8 on computers that are running Windows Millennium Edition. Download the Jet40SP8_WMe.exe 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: 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.

How to install the latest Jet 4.0 Service Pack 8

The Jet 4.0 service packs are self-expanding archives that expand the files to the appropriate folder. To install the latest Jet 4.0 service pack, follow these steps:

1. Download the appropriate version of the Jet service pack for your computer.
2. In Windows Explorer, double-click the file that you downloaded in step 1 to start the Jet service pack Setup.
3. Restart your computer.

Files in the Jet 4.0 Service Pack 8

The most current service pack, Jet 4.0 Service Pack 8, contains the following files. These files were updated on October 15, 2003: Note The file size may vary somewhat. The file size depends on the version of Windows that is running on your computer. The file version does not change.

If you obtain the Jet 4.0 Service Pack 8 download for computers that are running Microsoft Windows 95, Microsoft Windows 98, and Microsoft Windows NT version 4.0, you will also receive the ODBC Desktop Driver Pack drivers. These drivers are included with the Windows 2000 operating system, the Windows XP operating system, and the Windows Server 2003 operating system. The ODBC Desktop Driver Pack drivers includes the following files:Note The Jet 4.0 Service Pack 8 download for computers that are running Microsoft Windows 95, Microsoft Windows 98, and Microsoft Windows NT version 4.0 does include the ODBC Desktop Driver Pack drivers but does not completely install them. To correctly register the ODBC drivers on your computer, you also must install Microsoft Data Access Components (MDAC) 2.6 or later. MDAC does not include these driver files, but MDAC does include the core ODBC DLLs that are required to install the drivers and to use the drivers. You must install MDAC after you install Jet 4.0 Service Pack 8 to correctly register these files.

Information about Microsoft Jet Security Bulletin MS04-014

On April 13, 2004, Microsoft released Jet Security Bulletin MS04-014. This is a security update to the Jet 4.0 Database Engine. This release fully supersedes Jet 4.0 Service Pack 8. For more information about Microsoft Jet Security Bulletin MS04-014, click the following article number to view the article in the Microsoft Knowledge Base: Note This security bulletin applies only to the following:

• Microsoft Windows NT Workstation 4.0 Service Pack 6a
• Microsoft Windows NT Server 4.0 Service Pack 6a
• Microsoft Windows NT Server 4.0 Terminal Server Edition Service Pack 6
• Microsoft Windows 2000 Service Pack 2, Microsoft Windows 2000 Service Pack 3, and Microsoft 2000 Windows Service Pack 4
• Microsoft Windows XP, Microsoft Windows XP Service Pack 1
• Microsoft Windows XP 64-Bit Edition Service Pack 1
• Microsoft Windows XP 64-Bit Edition Version 2003
• Microsoft Windows Server 2003
• Microsoft Windows Server 2003 64-Bit Edition

Files in Windows XP SP2 and Microsoft Jet Security Bulletin MS04-014

Windows XP SP2 and the Microsoft Jet Security Bulletin MS04-014: Vulnerability in the Microsoft Jet Database Engine could permit code execution contains the following files. These files were first updated on April 13, 2004: Note The file size may vary somewhat. The file size depends on the version of Windows that is running on your computer. The file version does not change.

Files in Windows Server 2003 SP1 and Windows 2000 Service Pack 4 Update Rollup 1

Windows Server 2003 SP1 and Windows 2000 Service Pack 4 Update Rollup 1 contain the following files:
Note The file size may vary . The file size depends on the version of Windows that is running on your computer. The file version does not change.

Jet 4.0 service pack history

There are six previous updates to Jet 4.0. The current Jet update, Jet 4.0 Service Pack 8, includes the updates from previous Jet 4.0 service packs. The first significant release, Jet 4.0 Service Pack 3, contains the following files: The second release was a minor update to Jet 4.0 Service Pack 3 (October 11, 1999) and contains the following files: The third release, Jet 4.0 Service Pack 4 (April 26, 2000), contains the following files: The fourth release, Jet 4.0 Service Pack 5 (October 26, 2000), contains the following files: The fifth release, Jet 4.0 Service Pack 6 (April 15, 2002), contains the following files: The sixth release, Jet 4.0 Service Pack 7 (June 11, 2003), contains the following files:

Earlier updates to the Jet Database Engine included the Jet Compact (JetComp) utility. This utility is not included with Jet 4.0 Service Pack 5 and later. For more information about how to obtain JetComp, click the following article number to view the article in the Microsoft Knowledge Base: The following Jet 4.0 replication files have also been updated:

• Msreclr40.dll
• Msrecr40.dll
• Msrpfs40.dll
• Mstrai40.exe
• Mstran40.exe

If you plan to use Jet Replication Manager with Jet 4.0 Service Pack 7 or later, and you do not have Mstran40.exe version 4.0.6508.0, you must also download and install Jet4Repl.exe. For more information about how to obtain Jet4Repl.exe, click the following article number to view the article in the Microsoft Knowledge Base: Starting with Microsoft Data Access Components (MDAC) version 2.6, MDAC no longer contains the Jet components. If you try to install the Jet components on a computer that does not already have Jet 4.0, you must obtain those components from the following article: For more information about existing problems that are resolved by the latest Microsoft Jet service pack, click the following article number to view the article in the Microsoft Knowledge Base: