Conversion problem in a VM with Paravirtual SCSI Disk using VMware Converter 4.3

Problem: Unable to convert a VM with Paravirtual SCSI Disk using VMware Converter 4.3

When we to convert a VM with Paravirtual SCSI Controller, VMware Converter 4.3 throws an error and the task fails with Status:

FAILED: An error occurred during the conversion:

When you start analyzing the log files you will get an errorUnknown controller” is detected.

Reason: VMware Converter 4.3 doesn’t know the Paravirtual Controller!

Resolution: Perform the following steps to resolve this issue

  • Power off the VM
  • Change all Paravirtual controllers to LSI Logic
  • Perform the Conversion on powered off VM and make sure VM is not powered on automatically after convert.
  • Change SCSI controller back to Paravirtual
  • Power on VM

How to Change SCSI Controller

Select the VM and click on Edit Settings. Select the SCSI Controller from devices list and click on change type button.

Note: This is a known bug in VMware Converter 4.3


About Manish Jha

Hi All I am Manish Kumar Jha aka Alex Hunt. I am currently working in VMware Software India Pvt Ltd as Operations System Engineer (vCloud Air Operations). I have around 5 Years of IT experience and have exposure on VMware vSphere, vCloud Director, RHEL and modern data center technologies like Cisco UCS and Cisco Nexus 1000v and NSX. If you find any post informational to you please press like and share it across social media and leave your comments if you want to discuss further on any post. Disclaimer: All the information on this website is published in good faith and for general information purpose only. I don’t make any warranties about the completeness, reliability and accuracy of this information. Any action you take upon the information you find on this blog is strictly at your own risk. The Views and opinions published on this blog are my own and not the opinions of my employer or any of the vendors of the product discussed.
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