admin@srv-dc:/root$ kinit admin
Password for admin@FREE.IPA:
admin@srv-dc/root$ sudo kvno cifs/srv-dc.free.ipa@FREE.IPA
cifs/srv-dc.free.ipa@FREE.IPA: kvno = 1
admin@srv-dc:/root$ sudo smbclient -k -L srv-dc.free.ipa
lp_load_ex: changing to config backend registry
session setup failed: NT_STATUS_ACCESS_DENIED