I do have linux ubuntu with synergy installed. Linux has virtualbox installed and runs other virtual machines. Once vitual machine grabs the mouse the synergy clients loose connectivity to synergy server running on ubuntu box. When i press CTRL key to release mouse off the virtual machine, all the clients see the synergy and can connect again to it. Many times mouse inside the virtualmachines disappears and i must click ctrl to restore it. Below is the log that shows synergy complaining to leave the screen.
INFO: switch from "xxx-host-lnx" to "corp-lt-xxx" at 0,692 INFO: leaving screen WARNING: can't leave screen
