Hyper-v launch fails with foreign characters in virtual switch name

[fredrikbaberg]

Vagrant version

Vagrant 2.0.2

Host operating system

Edition: Windows 10 Pro
Version: 1709
OS Build: 16299.214

Language: Swedish

Guest operating system

bento/Ubuntu-16.04

Vagrantfile

# Copy-paste your Vagrantfile here (but don't include sensitive information such as passwords, authentication tokens, or email addresses)
Vagrant.configure("2") do |config|
  config.vm.box = "bento/ubuntu-16.04"
end

Debug output

https://gist.github.com/fredrikbaberg/6192b350f5136fad96a69e2fb5b38552

Expected behavior

Machine should start.

Actual behavior

Machine did not start, due to "Hyper-V was unable to find a virtual switch with name ..."

Steps to reproduce

1. Have Hyper-V virtual switch with foreign character in name. Note: in Swedish the name of the default switch, which can't be changed, is Standardväxel, which does not seem to be an allowed name.
2. Create new machine with vagrant init --box bento/ubuntu-16.04
3. Run vagrant up --provider=hyperv
4. Creating another switch with similar name gives the same result, creating with only "normal" characters works.

References

[chrisroberts]

Fixed by #9747. Cheers!

[ghost]

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