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Monday, 18 December 2023

Unable to open kernel device '\\.\VMCIDev\VMX': The operation completed successfully.

Hello Friends, 


When I was working on new machine and install VMware 17 Pro, I copied backed up VM machine to new machine and started VM, It was showing below error.    


Error :



====================================================================================================

 Unable to open kernel device '\\.\VMCIDev\VMX': The operation completed successfully. Did you reboot after installing VMware Workstation?


Module 'DevicePowerOn' power on failed.


Failed to start the virtual machine.


====================================================================================================


Solution : 

I have copied/restored VM to "D:\VMware\VM2\EL_7.9" . 

1. Go to your VM directories. 

2. take backup of VMware virtual machine configuration (.vmx), as highlighted.  



3. Open OEL7.9 in notepad and search for vmci0.present. If it has set with TRUE value. Make it FALSE. shown as below.



4. Restart your VM machine, it will run without any error.

Feel free to share if issue not fixed. 

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