id summary reporter owner description type status component version resolution keywords cc guest host 3964 Windows 2003 R2 Guest aborts when NAT interface is attached but host machine has no connectivity Daniel Hamilton "Host OS: Ubuntu 8.10 GNU/Linux; Guest OS: Windows Server 2003 R2 Windows 2003 R2 guest aborts at the login screen when the guest has a network adaptor attached to NAT and the host machines network adaptor is down/not connected. Repeatable: Yes[[BR]] Work around: Before starting the VM set the ""Attached To"" field for the adaptor to not attached. This allows the VM to start and operate normally. " defect closed other VirtualBox 2.2.2 fixed Windows Linux