Parallels Shared Network Fails to Connect

A 2 minute read, Posted on Mon, Feb 10, 2020 In Technology
Tags parallels, network, tips

Today (Monday), out of the blue, one of my Windows 10 Parallels virtual machines decided that it had no connection to the internet. Friday I was on site at a client using thier WiFi network to work through some changes they needed. Today, back at the office, I fired up my VM to push the changes and make a couple more tweaks. I was immediated greated by git telling me that my git host didn’t exist. I realized that Windows was reporting that I had no internet connection.

Attempts at self-help

  • My first instinct was to reboot the VM, this didn’t work.
  • Next, I tried to use Window’s network troubleshooter to fix the problem, this didn’t work.
  • I rebooted again, because why not? Still no internet (or local network) connectivity.
  • I turned to the internet: A realatively quick search for ‘parallels shared network no internet’ got me to this forum post on the Parallels forums. The post was from 2010, and the OP was having issues on Windows XP, but I figured I’d give the solution a try, and it worked!

The Solution

The Parallels developer (Elric) stated that it may be the Windows TCP/IP Stack wigging out and to try to do a reset on the stack. Here are the steps so I can find this faster in the future, and in case that forum post dissapears.

  1. Open an elevated command prompt
  2. Run this command netsh winsock reset
  3. Reboot
  4. Open an elevated command prompt, again
  5. Run this command netsh int ip reset reset.log
  6. Reboot, again
  7. You should have a working internet connection!

This is another post that exists mostly to help me remember how I got this working, but I hope this helps someone else in the future.

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