Troubleshoot – Unable to open Excel document in Office web apps

By | February 16, 2017


You have Office Web Apps in your farm, and it can open all office document in browser, except for Excel.


  1. ULS logs shows following exceptions “ServerSession.ProcessWebException: A Web exception during ExecuteWebMethod has occurred for server: http:/../exc/ExcelService*.asmx”
  2. Restarting Excel calculation services doesn’t help
  3. Reconfigure connection OWA server to SharePoint doesn’t help
  4. You have Microsoft Monitoring Agent tools installed in OWA server


  1. Uninstall Microsoft Monitoring Agent from OWA server

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