Yubikey registration depends on browser

Yubikey registration depends on browser

Yubikey 5 registration using PrivacyIDEA server console without pin

  • Firefox: OK
  • Chrome: no pop-up windows asking to insert a Yubikey
  • Edge: no pop-up windows asking to insert a Yubikey

is it a bug or a misconfigured settings (browser or PrivacyIDEA server) ?
Thanks for your assistance