Microsoft KB Archive/940393

= Event ID 271 is logged in the System log after you install Microsoft MPIO Multipathing Support for iSCSI on a computer that is running Microsoft Windows Server 2003 or Microsoft Windows 2000 Server =

Article ID: 940393

Article Last Modified on 11/26/2007

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APPLIES TO


 * Microsoft Windows Server 2003, Datacenter Edition for Itanium-Based Systems
 * Microsoft Windows Server 2003, Enterprise Edition for Itanium-based Systems
 * Microsoft Windows Server 2003, Datacenter x64 Edition
 * Microsoft Windows Server 2003, Enterprise x64 Edition
 * Microsoft Windows Server 2003, Standard x64 Edition
 * 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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SYMPTOMS
After you install Microsoft MPIO Multipathing Support for iSCSI, an event that resembles the following is logged in the System log: Event ID: 271

Source: PlugPlayManager

MPIO\DISK&VEN_ FileSystem\Ntfs 6 PNP_VetoDevice

You experience this problem on a computer that is using an iSCSI boot from SAN configuration and that is running Microsoft Windows Server 2003 or Microsoft Windows 2000 Server.



CAUSE
This issue occurs because the system requires a restart. This issue occurs when you install a driver for a device that is in a critical device path such as the boot disk. The property changes require a restart of the system.



RESOLUTION
To resolve this issue, restart the computer. You may have to restart the computer three times to complete the MPIO installation for the boot disk.

Additional query words: MSiSCSI Boot initiator

Keywords: kbsetup kbprb kbexpertiseadvanced kbtshoot KB940393

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