Basicライセンスが有効にならない件

前提として、elasticsearch5.6系を利用しています。

kibanaのbasicライセンスでmonitoring機能を利用しておりました。
basicライセンスの有効期限が切れたので再発行して更新をしましたが、kibanaのmonitoring画面上では有効になりません。

# curl -XGET 'http://localhost:9200/_xpack/license?pretty'
{
  "license" : {
    "status" : "active",
    "uid" : "xxxxx",
    "type" : "basic",
    "issue_date" : "2019-07-28T00:00:00.000Z",
    "issue_date_in_millis" : 1564272000000,
    "expiry_date" : "2020-07-28T23:59:59.999Z",
    "expiry_date_in_millis" : 1595980799999,
    "max_nodes" : 100,
    "issued_to" : "xxxxx",
    "issuer" : "Web Form",
    "start_date_in_millis" : 1564272000000
  }
}

_xpack/licenseで確認すると上記のような表示になるので問題ないと思いますが、kibanaのmonitoring画面上で見れるようにするにはどうしたら良いでしょうか?

有識者の方、ご教授くださいませ。

Have you verified that the time and date on your server are set correctly?

Thank you.

I fixed it and rebooted kibana.
Not yet enabled.

You need to check the time and date on your Elasticsearch cluster are also correct.

If the time zone is Japan, do I need to match Elasticsearch's cluster and Kibana with Japan time?

You should set it to whatever policy your organization has for your servers. As far as the Elastic license is concerned, you just need to ensure that the data of the license validity falls within the time and date that the server is set to.

I had a misunderstanding.

Again, the elasticsearch cluster and kibana time were unified in utc, but the basic license is not valid.

Sorry, I forgot to apply the license to the elasticsearch cluster.

I would like to renew the license of servers in elasticsearch cluster, but is it possible to renew the license while using elasticsearch cluster in production?

Yes, you can. see https://www.elastic.co/guide/en/x-pack/5.6/installing-license.html#installing-license

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Thank you.