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Synopsis

Updates the public key that is used to connect to the WOPI application on the current SharePoint farm where this cmdlet is run.

Syntax

Update-SPWOPIProofKey [-AssignmentCollection <SPAssignmentCollection>] [-ServerName <String>] [<CommonParameters>]

Detailed Description

The Update-SPWOPIProofKey cmdlet updates the public key that is used to connect to the WOPI application (which could be a server that runs Office Web Apps Server) on the current SharePoint farm where this cmdlet is run. You may want to use this cmdlet if the keys become unsynchronized between the SharePoint farm and the WOPI application. If the keys are unsynchronized, documents may not open in the browser and messages such as "Invalid Proof Signature for file