if !sys.Initialized() {
		return errServerNotInitialized
	}

	return sys.store.UserNotificationHandler(ctx, accessKey, svcUser)
}

// initStore initializes IAM stores
func (sys *IAMSys) initStore(objAPI ObjectLayer, etcdClient *etcd.Client) {
	if sys.LDAPConfig.Enabled() {
		sys.SetUsersSysType(LDAPUsersSysType)
	}

	if etcdClient == nil {
		var group *singleflight.Group