When starting samba you may receive this error:

smbd[11632]: ../source3/auth/auth_util.c:1382(make_new_ses...guest)
smbd[11632]:   create_local_token failed: NT_STATUS_ACCESS_DENIED
smbd[11632]: ../source3/smbd/server.c:2000(main)
smbd[11632]:   ERROR: failed to setup guest info.

Read more Fix Samba Error – Failed to setup guest info ›