Hello,
Thank you for your question.
I would like to suggest you to check below troubleshooting steps.
- Please try access YouTube from different Browsers and with Private or Incognito mode.
- Playing YouTube video may required additional domains or websites to be whitelisted.
For example,
. google.com
. ytimg.com
. googlevideo.com
. gstatic.com
. googleusercontent.com
.googlevideo.com
..googlevideo.com /*
i.ytimg.com/*
www.youtube.com/s/desktop/*
www.youtube.com/api/*
.googlevideo.com/
.googlevideo.com/videoplayback?expire=
www.youtube.com/s/
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