Below is my conference component configuration:
Component "conference.localhost" "muc"
modules_enabled = {
"muc_mam";
}
max_history_messages = 100
storage = { muc_log = "sql"; }
muc_room_locking = false
muc_room_lock_timeout = 10
muc_log_by_default = true
muc_log_presences = true
log_all_rooms = true
muc_log_expires_after = "1w"
muc_log_cleanup_interval = 4 * 60 * 60