SnapCenter は、使用停止中のホストを削除できません

環境

• SnapCenter サーバ（ SC ） 4.4 以降
• SnapCenter MySQL NSMデータベース

問題

SC でホストまたはクラスタを削除できません 運用停止された GUI または PowerShell （ PS ）を使用

SnapManagerWeb.log

ERROR SnapManagerWeb_<job id> PID=[xxxx] TID=[xxx] Unable to connect to the remote server. A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond 1.2.3.4:8145
DEBUG SnapManagerWeb_<job id> PID=[xxxx] TID=[xxx] error calling smcore https://<hostname>:8145/SMProtectionGroupService/SchedulerTaskAction, for managing schedulers. Error: Failed to set host '<hostname>' in Production mode. The plug-in services might be down. Ensure that the plug-in services are up and running to proceed.

 Failed to find host (host.domain.com). Verify if the host is up and running and check the DNS and firewall settings