New-OwaVirtualDirectory – An error occurred while creating the IIS virtual directory

During a recent update to Exchange 2016 CU9, I encountered the following error whilst trying to recreate one of the secondary OWA sites that I have running. The command being executed was:

The error I was getting:

The usual suspect is that the object was not cleanly removed from the domain, so remove
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Could not access OWA using HTTPS – Error 404

Symptoms here are: Unable to access OWA Outlook 2007 reports that it is unable to change any Out Of Office settings; server unavailable. The enviroment: Microsoft Exchange 2007 running on Microsoft Windows Server 2008. One other symptom, which I don’t know if this resolved or something else did, is that the Free/Busy information was not
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