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You receive an error message when you try to install Microsoft iSCSI Initiator version 1.06 in Windows Server 2003 or in Windows 2000 Server

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.

Important This article contains information about how to modify the registry. Make sure to back up the registry before you modify it. Make sure that you know how to restore the registry if a problem occurs. For more information about how to back up, restore, and modify the registry, click the following article number to view the article in the Microsoft Knowledge Base:
256986 Description of the Microsoft Windows registry
When you try to install Microsoft iSCSI Initiator version 1.06, you receive the following error message:
The installer has encountered an unexpected error installing this package. This may indicate a problem with this package. The error code is 2753.
Additionally, the following event is recorded in the Application log:

Event Type: Error
Event Source: MsiInstaller
Event Category: None
Event ID: 10005
Date: date
Time: time
User: user
Computer: computer name
Product: Microsoft iSCSI Initiator -- The installer has encountered an unexpected error installing this package. This may indicate a problem with this package. The error code is 2753. The arguments are: _6F676F21B2C24BB6B1C01E2FF6B74AEB

These symptoms occur if the following conditions are true:
  • You are using a Microsoft Windows Server 2003-based or Microsoft Windows 2000 Server-based computer.
  • You upgraded iSCSI Initiator version 1.06 to version 2.0. Then, you uninstalled iSCSI Initiator version 2.0.
This problem occurs if iSCSI Initiator registry keys are not restored correctly.
Warning Serious problems might occur if you modify the registry incorrectly by using Registry Editor or by using another method. These problems might require that you reinstall your operating system. Microsoft cannot guarantee that these problems can be solved. Modify the registry at your own risk.

To resolve this problem, use one of the following methods.

The problem has already occurred

To resolve this problem after it has occurred, delete the iSCSI registry subkeys. To delete the iSCSI registry subkeys, follow these steps:
  1. Click Start, click Run, type regedit in the Open box, and then click OK.
  2. Delete the following registry subkeys:
    • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\iSCSI
    • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\iSCSI\Discovery
    • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\iSCSI\Discovery\Authentication Cache
    • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\iSCSI\Discovery\Send Targets
    • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\iSCSI\Discovery\Static Targets
    • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\iSCSI\Discovery\Tunnel Address
  3. Quit Registry Editor.
  4. Double-click the iSCSI Initiator 1.06 installer file, and then click Repair.

The problem has not already occurred

To prevent this problem, uninstall Microsoft iSCSI Initiator 1.06 by using the Add or Remove Programs tool in Control Panel before you upgrade to Microsoft iSCSI Initiator 2.0.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
iSCSI Initiator 1.06 and iSCSI Initiator 2.0 use different locations in which to store registry information.
  • iSCSI Initiator 1.06:
  • iSCSI Initiator 2.0:
    HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\iSCSI
To download the Microsoft iSCSI Software Initiator Osaka Users Guide, visit the following Microsoft Web site:

Article ID: 908267 - Last Review: 10/06/2005 23:47:56 - Revision: 1.2

Microsoft Windows Server 2003, Datacenter Edition (32-bit x86), Microsoft Windows Server 2003, Enterprise Edition (32-bit x86), Microsoft Windows Server 2003, Standard Edition (32-bit x86), Microsoft Windows Server 2003, Web Edition, Microsoft Windows 2000 Advanced Server, Microsoft Windows 2000 Datacenter Server, Microsoft Windows 2000 Server

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