Duplicate WOPI sessions in Chrome and Edge (

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Hello everyone,

I am facing an issue with Nextcloud 30 and Microsoft Office Online Server 2019. When editing an Excel document in Excel Online using Chrome or Edge, closing the document and reopening it causes a duplicate session for the same user. However, this issue does not occur in Firefox.

Has anyone encountered this issue before and found a solution? Any help would be greatly appreciated!

Thanks in advance!

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2

Updating to the latest Microsoft Online Office Server 2019 patch seems to be the key.

For anyone facing the same issue, here’s a quick summary of the steps:

  1. Download the latest Office Online Server update from the Microsoft Update Catalog:
    Microsoft Update Catalog - Office Online Server
  2. Extract the installer from the CAB file using built-in Windows Server tools.
  3. in Powershell check your farm settings and save for using in further

Get-OfficeWebAppsFarm

  1. In PowerShell, remove the existing Office Web Apps farm:

Remove-OfficeWebAppsMachine

  1. Install the update. If the installation completes successfully, the server will prompt for a restart.
  2. After rebooting, recreate the farm with the same parameters as before:

New-OfficeWebAppsFarm -InternalUrl “https://farm.domain.com” -ExternalUrl "https://farm.domain.com"
-EditingEnabled `
-CertificateName “name”
*use whole name which you see in CertificateName field in output of Get-OfficeWebAppsFarm cmdlet

This should resolve the issue.

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