You are trying to migrate four virtual machines to a virtualization host computer. The virtualization host computer has a total of $16GB$ of memory available. The total amount of memory currently being utilized by the four virtual machines is $17GB.$ You receive an error during the migration process. What might the problem be$?$

The virtual machines are not supported on the host computer's hardware

The virtual machines are not running the correct operating system

The virtualization host does not have enough CPU resources

The virtualization host does not have enough available memory to support the virtual machines