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Unable to load the windows server 2012 R2 ISO file in virtual box. Getting error VERR_NOT_SUPPORTED

Recently my friend was trying to set up an environment in virtual box with the iso file for Windows Server 2012 R2. He was getting the  below error and has asked my help. I would like to share the reason for this issue in our case with you. If you come across a similar error it would be helpful and would save your time digging for more information on the web.

 

Error Message while mounting the iso file:

Could not get the storage format of the medium ‘C:\SharedFolder_VM\windows_server_2012_r2_x64_dvd_2707946 – Copy.iso’ (VERR_NOT_SUPPORTED).

VirtualBox Error

The issue here was mainly with the ISO file (an incomplete one). ISO file size was not as mentioned in the Microsoft site and believe something went wrong while downloading the file and it got messed up.

 

What we did to resolve this error: Re downloaded the ISO file from Microsoft site and it worked 🙂