id summary reporter owner description type status component version resolution keywords cc guest host 8332 Video controller VirtualBox guest additions 4.0.2 don't work with windows 2003 /3GB switch enable Sistemas "Windows 2003 SP2 32bits work fine with VirtualBox guest additions, but when enable /3GB switch video only supports lowest color profile (4 bits) and 640x480 resolution. Unistall VirtualBox additions and video works again with /3GB switch enable" enhancement new other VirtualBox 4.0.2 video guest additions Windows Mac OS X