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Update-SPWOPIProofKey

Office Web Apps
 

Applies to: SharePoint Server 2013, SharePoint Foundation 2013, Office Web Apps

Topic Last Modified: 2013-12-18

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

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

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…” or “Invalid Proof Signature for folder...” are found in the Unified Logging System (ULS) logs.

 

Parameter Required Type Description

AssignmentCollection

Optional

Microsoft.SharePoint.PowerShell.SPAssignmentCollection

Manages objects for the purpose of proper disposal. Use of objects, such as SPWeb or SPSite, can use large amounts of memory and use of these objects in Windows PowerShell scripts requires proper memory management. Using the SPAssignment object, you can assign objects to a variable and dispose of the objects after they are needed to free up memory. When SPWeb, SPSite, or SPSiteAdministration objects are used, the objects are automatically disposed of if an assignment collection or the Global parameter is not used.

NoteNote:
When the Global parameter is used, all objects are contained in the global store. If objects are not immediately used, or disposed of by using the Stop-SPAssignment command, an out-of-memory scenario can occur.

ServerName

Optional

System.String

Specifies the WOPI application to obtain the key from. This may be a server that runs Office Web Apps Server. If this parameter is missing, public keys for all WOPI applications which are connected to the current SharePoint farm, are updated.

--------------EXAMPLE-----------------

Update-SPWOPIProofKey -ServerName "Server.corp.Contoso.com"

This example obtains the current public key from the WOPI application (such as a server that runs Office Web Apps Server) and updates the key that is stored on the SharePoint farm.

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