You should be fine.
I check it out on a server and the network work fine during the restart.
Frank
It is posible !!!
Hi,
Restating Vmware tools doesn't disturb much on the Guest OS.
Instead of loggin in to the system, You can try this script for multiple systems. http://ict-freak.nl/2009/05/05/restart-vmware-tools-on-all-windows-vms/