Windows – No internet connection on Virtualbox after upgrading to Virtualbox 5.2.0

I upgraded VirtualBox 4.3.6 to 5.2.0 r118431 (Qt5.6.2) on Windows 7 SP1 x64 Ultimate. After the upgrade, the network stopped working for all my virtual machines (Windows 7 and Kubuntu 16.04). What could be the issue?

Upgrading to VirtualBox 6.0.6 didn't solve the issue.

I checked that the network is activated on each virtual machine:

The "virtual box host-only network" is enabled on the host:

What I see on the Windows 7 SP1 x64 Ultimate guest:

I disabled my firewall. Virtual machines created after the upgrade are also affected. I've already rebooted the host VM since the VBox upgrade.

On the Windows 7 SP1 x64 Ultimate host, I see that the VirtualBox Host-Only Network has "no Internet access": that's likely to be the root of the issue:

Output of ipconfig /all:

Microsoft Windows [Version 6.1.7601]
Copyright (c) 2009 Microsoft Corporation.  All rights reserved.

C:\Users\FD>ipconfig /all

Windows IP Configuration

   Host Name . . . . . . . . . . . . : FD-PC
   Primary Dns Suffix  . . . . . . . : mit.edu
   Node Type . . . . . . . . . . . . : Mixed
   IP Routing Enabled. . . . . . . . : No
   WINS Proxy Enabled. . . . . . . . : No
   DNS Suffix Search List. . . . . . : corp.adobe.com
                                       mit.edu

Ethernet adapter Local Area Connection 4:

   Connection-specific DNS Suffix  . : corp.adobe.com
   Description . . . . . . . . . . . : Cisco AnyConnect Secure Mobility Client V
irtual Miniport Adapter for Windows x64
   Physical Address. . . . . . . . . : 00-05-9A-BB-7A-00
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes
   Link-local IPv6 Address . . . . . : fe80::3558:acef:fe:ca7f%21(Preferred)
   Link-local IPv6 Address . . . . . : fe80::5639:5db4:2d7a:5565%21(Preferred)
   IPv4 Address. . . . . . . . . . . : 10.177.28.149(Preferred)
   Subnet Mask . . . . . . . . . . . : 255.255.224.0
   Default Gateway . . . . . . . . . : ::
                                       10.177.33.1
   DHCPv6 IAID . . . . . . . . . . . : 855639450
   DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-1A-33-49-71-8C-89-A5-02-91-47

   DNS Servers . . . . . . . . . . . : 10.8.4.242
                                       153.32.14.241
   NetBIOS over Tcpip. . . . . . . . : Enabled

Ethernet adapter Local Area Connection 2:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : Plugable Ethernet
   Physical Address. . . . . . . . . : 8C-AE-4C-F8-E7-3C
   DHCP Enabled. . . . . . . . . . . : Yes
   Autoconfiguration Enabled . . . . : Yes

Wireless LAN adapter Wireless Network Connection 3:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : Microsoft Virtual WiFi Miniport Adapter #
2
   Physical Address. . . . . . . . . : 0C-D2-98-02-38-30
   DHCP Enabled. . . . . . . . . . . : Yes
   Autoconfiguration Enabled . . . . : Yes

Wireless LAN adapter Wireless Network Connection 2:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : Microsoft Virtual WiFi Miniport Adapter
   Physical Address. . . . . . . . . : 0C-D2-92-09-38-30
   DHCP Enabled. . . . . . . . . . . : Yes
   Autoconfiguration Enabled . . . . : Yes

Wireless LAN adapter Wireless Network Connection:

   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : Intel(R) Centrino(R) Wireless-N 135
   Physical Address. . . . . . . . . : 0C-D2-92-08-38-2F
   DHCP Enabled. . . . . . . . . . . : Yes
   Autoconfiguration Enabled . . . . : Yes
   Link-local IPv6 Address . . . . . : fe80::d07f:b2a0:7a42:256a%13(Preferred)
   IPv4 Address. . . . . . . . . . . : 172.24.1.247(Preferred)
   Subnet Mask . . . . . . . . . . . : 255.255.0.0
   Lease Obtained. . . . . . . . . . : Monday, October 23, 2017 10:19:51 PM
   Lease Expires . . . . . . . . . . : Tuesday, October 24, 2017 2:19:54 AM
   Default Gateway . . . . . . . . . : 172.24.0.1
   DHCP Server . . . . . . . . . . . : 192.0.2.1
   DHCPv6 IAID . . . . . . . . . . . : 336384658
   DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-1A-33-19-70-8C-89-A5-02-91-47

   DNS Servers . . . . . . . . . . . : 8.8.8.8
                                       4.4.4.2
   NetBIOS over Tcpip. . . . . . . . : Enabled

Ethernet adapter Local Area Connection:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : Realtek PCIe GBE Family Controller
   Physical Address. . . . . . . . . : 8C-89-A6-02-91-47
   DHCP Enabled. . . . . . . . . . . : Yes
   Autoconfiguration Enabled . . . . : Yes

Ethernet adapter VirtualBox Host-Only Network:

   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : VirtualBox Host-Only Ethernet Adapter
   Physical Address. . . . . . . . . : 0A-00-27-00-00-31
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes
   Link-local IPv6 Address . . . . . : fe80::4515:65a8:de91:d601%49(Preferred)
   IPv4 Address. . . . . . . . . . . : 192.168.56.1(Preferred)
   Subnet Mask . . . . . . . . . . . : 255.255.255.0
   Default Gateway . . . . . . . . . :
   DHCPv6 IAID . . . . . . . . . . . : 822738983
   DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-1A-33-49-70-8C-89-A5-02-91-47

   DNS Servers . . . . . . . . . . . : fec0:0:0:ffff::1%1
                                       fec0:0:0:ffff::2%1
                                       fec0:0:0:ffff::3%1
   NetBIOS over Tcpip. . . . . . . . : Enabled

Tunnel adapter isatap.{F7F563AC-FB24-4229-9E92-B9DAC1F54171}:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : Microsoft ISATAP Adapter
   Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes

Tunnel adapter Local Area Connection* 11:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : Microsoft Teredo Tunneling Adapter
   Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes

Tunnel adapter 6TO4 Adapter:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : Microsoft 6to4 Adapter
   Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes

Tunnel adapter isatap.{53E7CB64-E52D-45A8-A51E-65EBBBC680E0}:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : Microsoft ISATAP Adapter #3
   Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes

Tunnel adapter isatap.{F91F4A4C-1736-461B-B4F9-B39E853B6351}:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : Microsoft ISATAP Adapter #5
   Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes

Tunnel adapter isatap.corp.adobe.com:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . : corp.adobe.com
   Description . . . . . . . . . . . : Microsoft ISATAP Adapter #6
   Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes

Tunnel adapter isatap.{46D09D35-E8C2-4F2E-B7AE-74D155D356EA}:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : Microsoft ISATAP Adapter #7
   Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes

I also tried to enable the DHCP on the virtual box host-only network on the host, but it didn't help:

Reinstalling VirtualBox and resetting all VirtualBox preferences didn't help.

The network works fine with VMware Workstation Pro 14.0.0.

I have crossposted the question at:

Best Answer

This happened to me several times (and still happens) with a Linux guest on a Windows 7 Professional host machine, with your same symptoms, including the inability to fix the situation even rebooting both machines. I have had this since last year, I've upgraded VirtualBox several times, now am on 5.1.30 r118389 (Qt5.6.2), and it still happens around once or twice a month (I use the VM daily).

After various voodoo attempts, I simplified the ritual down to these two steps:

set the adapter to a different one (I use my Dell WiFi port)
wait about 8-10 seconds (if I ping 8.8.8.8 in the Linux guest I see that it starts responding)
set the adapter back to the original wired Intel one
after 8-10 seconds the ping resumes, and I have connectivity.

My conclusion was that for some reason some internal structure in the network layer gets stuck into an incorrect configuration, and switching it to and fro fixes whatever it is that got stuck.

I'd love to know the real cause, but I can live with the current situation.

Best Answer

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