etcdClnt, err := etcd.New(etcdCfg)
			if err != nil {
				return err
			}
			etcdClnt.Close()
		}
	case config.IdentityOpenIDSubSys:
		if _, err := openid.LookupConfig(s,
			xhttp.WithUserAgent(NewHTTPTransport(), func() string {
				return getUserAgent(getMinioMode())
			}), xhttp.DrainBody, globalSite.Region()); err != nil {
			return err
		}
	case config.IdentityLDAPSubSys: