+++ This bug was initially created as a clone of Bug #2081201 +++

Description of problem:
With a Win2k19 image, trying to set up cloudbase-init, using the wizard to create a VM with cloud-init yields an error trying to provision the default (for cloudbase-init) "Admin" user with error: "Username is required. must be a valid OS username"

Version-Release number of selected component (if applicable):
4.10.0

How reproducible:
Always

Steps to Reproduce:
1. Create Windows (2k19) VM with wizard
2. Customize VM and visit Advanced pane
3. Click cloud-init
4. Try to set User to "Admin"

Actual results:
"Username is required. must be a valid OS username"

Expected results:
Wizard understands capitalized usernames are valid in Windows OSes

Additional info:
Cloudbase-init default example case is to create a new administrator user called "Admin"

--- Additional comment from glekner on 2022-05-17 06:53:02 UTC ---

this is fixed in latest nightly.
please check @cwilkers

--- Additional comment from cwilkers on 2022-05-18 14:59:50 UTC ---

Do you need for me to test it in nightly before it can be put into a release, or will it be released in 4.10.1?
I don't quite have capacity at the moment to reinstall to a nightly.

--- Additional comment from gouyang on 2022-05-25 08:31:02 UTC ---

(In reply to Chandler Wilkerson from comment #2)
> Do you need for me to test it in nightly before it can be put into a
> release, or will it be released in 4.10.1?
> I don't quite have capacity at the moment to reinstall to a nightly.

QE will test it.

--- Additional comment from gouyang on 2022-05-26 03:07:52 UTC ---

(In reply to Gilad Lekner from comment #1)
> this is fixed in latest nightly.
> please check @cwilkers

The issue does not exist on kubevirt-ui, but exists on openshift/console.

--- Additional comment from yzamir on 2022-05-29 09:38:06 UTC ---

did you try a linx vm ?
it looks like the bug is for linux vm as well ?