If that doesn’t work setting all of this stuff
“ansible_user=username ansible_password=password ansible_become_pass=password ansible_port=5986 ansible_connection=winrm ansible_winrm_server_cert_validation=ignore ansible_winrm_read_timeout_sec=150 ansible_winrm_operation_timeout_sec=120”
in your group_vars would save you a lot of typing :-). Since it is going to be true for any windows hosts you have, it one of those things you can probably set once and forget about.