SCSQLバックアップジョブの「最新の保持」タスクが失敗します

環境

• SnapCenter Server
• SnapCenter Plug-In for Microsoft SQL Server （ SCSQL ）
• 複数のSCSQLバックアップジョブを同時に実行します

問題

• SCSQLバックアップジョブの「最新の保持」タスクが原因で失敗するThe underlying connection was closed: An unexpected error occurred on a receive
• SnapCenterサーバホストで過剰なメモリ消費が観察されました
• SMCoreジョブログに次のエラーが表示される：

INFO  SMCore_XXXX PID=[XX] TID=[XX] Activity - Up To The Minute Retention, Starting
DEBUG SMCore_XXXX PID=[XX] TID=[XX] SqlUtmRetention Begin
...
DEBUG SMCore_XXXX PID=[XX] TID=[XX] RemoteUrl: https://XXXXXX:8146/BackupService.svc/GetBackups
...
ERROR SMCore_XXXX PID=[XX] TID=[XX] WebException Encountered, Response null
ERROR SMCore_XXXX PID=[XX] TID=[XX] Exception in method: Invoke.
System.Net.WebException: The underlying connection was closed: An unexpected error occurred on a receive. ---> System.IO.IOException: Unable to read data from the transport connection: An existing connection was forcibly closed by the remote host.00000000