![]() ![]() I have 9 of them, and I assume that the “VirtualBox Bridged Networking” driver was the 9th one added after I lifted the limit of 8. I believe that each of those checkboxed items is a “Network Filter Driver”. To view currently deployed Network Filter Drivers, right-click on your connection widget in the Network Connections control panel applet, and view properties: In one KB article, I read that a Windows Service Pack could not be installed until some filters were removed! Applications such as Virtual Machine managers and VPN clients need to add filters to the network stack, and increasing this limit in the registry seems to be the recommended fix. So setting the MaxNumFilters key to 20 probably only lifts the artificial limit and allows 14 possible filters. ![]() Thanks, Tronmech!Īfter some more research, it seems that Windows 7 has a maximum hard-coded limit of 14 network filter drivers… and for some reason, this setting in the registry reduces it further to 8, by default. Install 4.3.x (run installer as administrator, just in case).Change “MaxNumFilters” from 8 to 20 (decimal).Go into the registry at: HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Network.Fits All Systems: It works well with a bunch of different operating systems, and you can run both 32 and 64-bit virtual machines. I’ll repeat the instructions here in case for some reason that post vanishes: For instance, if you wanted to install Windows 10 or even Windows 7 using VirtualBox, adding the final touches would take time. Well… I really wanted to have the Workshop lab environment available, so despite the fact that last time I encountered this problem I didn’t find any useful help on the web, I tried again… and this time, I found something on the forums, a post by user Tronmech: Running as Adminstrator after a cold reboot didn’t help. This is followed up by “Installation failed! Fatal error during installation.”. “Oracle VM VirtualBox 4.3.20 Setup Wizard ended prematurely” because of “an error”. For example on my HP computer, I have to press the F10 key to access the BIOS setup setting. To enable hardware virtualization on your computer, open your BIOS settings by pressing the appropriate key at startup (depends upon the manufacturing settings). The problem is Virtual Box almost completely installs – until it gets a certain point, then the progress bar runs backwards and it says “rolling back install”, followed by: Enable 64-bit Version Option in VirtualBox. It works great on my Mac at home, but for some reason I’ve had problems installing 4.x on my work laptop (Lenovo W520, getting on a bit now but still recommended). Setup a new virtual machine using the 'Windows 7 (64 bit)' defaults Mount an image of W7 64-bit pro or W7 64-bit home premium (tried both) Install During the installation or at the first login the VM gives me a blue screen. Of course, being Oracle, it is a Virtual Box vm. I was preparing for an Oracle online workshop on Database 12c multi-tenancy, and as part of the prep, you get to download a VM image with the lab environment.
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