Back in October I published an article around the fact that the vSphere client won’t allow a console connection to a VM from Windows 8, giving the error The VMRC console has disconnected. Attempting to reconnect. Failed to open console. This error has since been fixed with an update to the vSphere Client.
To fix the VMRC console has disconnected error, download the latest version (Version 184.108.40.2063 or above) of the vSphere Client from VMware’s website.