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I am using Xamarin Andriod player for VS 2015,

enter image description here

I looked into this error and I think it is due to virtualization being disabled in windows BIOS. I have enabled and tried again, still it is exists. I have checked the Xamarin VS log. It is shown error as:

 Failed to open a session for the virtual machine Nexus 7 (Lollipop).

 Failed to open/create the internal network 'HostInterfaceNetworking-VirtualBox Host-Only Ethernet Adapter' (VERR_INTNET_FLT_IF_NOT_FOUND).

 Failed to attach the network LUN (VERR_INTNET_FLT_IF_NOT_FOUND).

I am not sure what to do next to fix this, could some one help me please?

Developer
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2 Answers2

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You can try this:

  1. Open Windows Network Connections
  2. Right click on VirtualBox Host only adapter that created
  3. Choose properties
  4. Check "VirtualBox NDIS6 Bridged Networking driver"
  5. disable and Enable the adapter

nitinkumarp
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0

Check this Stack Overflow question which includes several answers. It refers to Vagrant, but since the error message is the same, I think it's worth giving it a try.

Regarding Windows 7 and in case solutions provided in the first link don't work, here is a VirtualBox official forum workaround for the same error message:

Go to Device Manager --> Network adapters --> Uninstall network adapter (on which setting Bridged adapter is not working) --> Click on Scan for harware changes --> Restart PC --> after restart go to Device Manager --> Network adapters --> uninstalled network adapter will be marked with "!", again uninstall this network adapter --> Click on Scan for harware changes - now network adapter will be installed and restart will not be required. It is all, test Bridged adapter in VirtualBox ...

It seems to work on Windows 7 environments, as it worked for many users.

Community
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Luis Beltran
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  • I have tried this steps.. I am unable to find the driver adapter after restarting the system.. step stopped at "-> will be marked with "!" " – Developer Apr 26 '16 at 10:51
  • In this case, then proceed to Click on Scan for hardware. If it is not found, reinstall your network adapter. – Luis Beltran Apr 26 '16 at 10:58
  • By the way, did you try the "VirtualBox NDIS6 Bridged Networking driver" method which I also referenced? Solution was valid for Windows 10, but it may work for Windows 7 – Luis Beltran Apr 26 '16 at 11:01
  • Trid but getting this error now.. "VERR_INTNET_FLT_IF_NOT_FOUND" failed to open internal network – Developer Apr 26 '16 at 13:08
  • Try to uninstall first and then install your driver as Administrator – Luis Beltran Apr 30 '16 at 09:06
  • Look at the first comment here, there's another workaround that you can try: https://www.virtualbox.org/ticket/14604#comment:1 (Network & Sharing Center --> Change adapter settings in the sidebar. Right-click on the host-only adapter in the list of adapters --> Configure button --> Driver tab --> Update driver button. --> Browse my computer --> Let me pick .... You should see the list with just host-only driver in it. Select it and click next. After the driver is updated, please try using host-only network in a VM again. – Luis Beltran May 02 '16 at 10:24
  • still it is failed.. getting same as mentioned in my question. can you help online chatting.. – Developer May 04 '16 at 07:45