"There was no endpoint listening at https://URL that could accept the message" エラーメッセージにて Apply が失敗する (4210053)

Migrator for Notes to Exchange (以下、MNE) の Exchange Server 内の 「User admin account pool」 を設定した時に以下のエラーが出力される場合があります。

There was no endpoint listening at https://MyServer/MyVirtualDir/MyService.svc that could accept the message. This is often caused by an incorrect address or SOAP action. See InnerException, if present, for more details.

Unable to connect to 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 failed to respond

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