Error To Add VHD/X to an existing VM in Hyper V in server 2019

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Occasional Visitor

Hi 

I get the following message when try to add an VHD/VHDX Drive to an existing VM in hyper v windows 2019.

It use to work in Windows 2016 in early 2018 and then stopped.

Please see the attached Pix

Please any help would be very appreciated

Thanks

Jay Lazarowich 

1 Reply

Might also try copying the VHD(x) to local storage and try again.