id summary reporter owner description type status component version resolution keywords cc guest host 5736 New disk does not appear in guest wacher "Steps for reproduce 1) Create a new VDI 2) Attach it to a Windows 2003 R2 Server Enterprise 3) Start VM 4) New disk does not appear in Disk Management 5) If you open Device Manager and perform a ""scan for hardware changes"", guest OS will be chrashed. (If your eyes are quick enough, you can see a a memory read error (VirtualBox service, and/or Delayed write failed.) In previous versions of VirtualBox everthing was fine. I can attach these diskes to W7 Ultimate guest properly. " defect closed other VirtualBox 3.1.0 fixed Windows Windows