Online Document Editing (Office Online Server 2016) Failed with On-Prem Exchange 2016 Server

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If you have setup an Office Online Server 2016 with Exchange Server 2016 CU2, and if you are getting this error then there is something wrong with the configuration. It does not mean that your installation was wrong but during the configuration of Office WebApp Farm you forgotten to mention the Edit Option. So re-run the command with the Editing Enable and you will be done.

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PS C:> New-OfficeWebAppsFarm -InternalURL "https://oos.office365sme.com" -ExternalURL "https://oos.office365sme.com" -CertificateName "The Office 365 SME" -EditingEnabled -EditingEnabled

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