SUMMARY Under GPG4WIN version 3.2.2.231170 When trying to publishing to server (sending the public key), it gets this error: An error occurred while trying to export OpenPGP certificates. The output of C:\Program Files (x86)\GnuPG\bin\gpg.exe was: gpg: enviando a chave FCD039CFF085CE17 para hkps://keys.ubuntu.com gpg: falhou o envio ao servidor de chaves: Sem servidor de chaves disponível gpg: falhou o envio ao servidor de chaves: Sem servidor de chaves disponível (Maybe the server hkps://keys.ubuntu.com is unreachable..) STEPS TO REPRODUCE 1. IN KLEOPATRA OF GPG4WIN, , CLICK ON CERTIFICATES. 2. SELECT YOUR KEY / CERTIFICATE 3. PRESS CTRL+SHIFT+E OBSERVED RESULT An error occurred while trying to export OpenPGP certificates. The output of C:\Program Files (x86)\GnuPG\bin\gpg.exe was: gpg: enviando a chave FCD039CFF085CE17 para hkps://keys.ubuntu.com gpg: falhou o envio ao servidor de chaves: Sem servidor de chaves disponível gpg: falhou o envio ao servidor de chaves: Sem servidor de chaves disponível EXPECTED RESULT The public certificate should be published SOFTWARE/OS VERSIONS Windows: 10 macOS: - Linux/KDE Plasma: - (available in About System) KDE Plasma Version: - KDE Frameworks Version: - Qt Version: ADDITIONAL INFORMATION
Try hkps://keyserver.ubuntu.com. I don't know why your Kleopatra tries to use hkps://keys.ubuntu.com because keys.ubuntu.com doesn't exist. Closing as WORKSFORME because it works if one uses the correct keyserver address.