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Troubleshooting migration compatibility error: Device is a SCSI controller engaged in bus-sharing

Symptoms


  • When performing a VMotion migration the following compatibility error is displayed:

    Unable to migrate from <source server> to <destination server>: Virtual machine is configured to use a device that prevents migration: Device '<device>' is a SCSI controller engaged in bus-sharing.

Resolution

Overview

This unable to migrate error message appears if you have a SCSI controller being used in a virtual machine that has the bus-sharing mode changed to either virtual or physical. 
 
This configuration is used in virtual machines that are running Microsoft Cluster Services.
 

Workaround

VMware does not permit VMotion migrations when a virtual machine is using SCSI bus-sharing.
 
The recommended way to migrate a virtual machine that is participating in SCSI bus-sharing is to power down the virtual machine and perform a cold migration to the new host.
 
 

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Actions
  • KB Article: 1003797
  • Updated: Aug 14, 2009
  • Products:
    VMware VirtualCenter
  • Product Versions:
    VMware VirtualCenter 2.0.x
    VMware VirtualCenter 2.5.x