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Events 2015 2016 2026 5255 5256 - Excel back end memory issues

Office Web Apps

Published: September 25, 2012

Summary: Resolve issues when an event indicates memory failures that affect the Excel Services server or the workbook disk cache on that server.

Applies to:  Office Web Apps Server | Office Web Apps 

Audience: IT Professionals

This System Center Operations Manager (SCOM) Management Pack knowledge article (KA) provides suggested resolutions for two problems that can occur in an Office Web Apps Server farm:

  • Memory failures that affect the Excel Services server.

  • Memory issues with the workbook disk cache on the Excel Services server.

For more information, see Microsoft Office Web Apps Server Management Pack Guide for System Center Operations Manager.

Event Names:

  • Excel Workbook Disk Cache Is Full

  • Excel Back End Internal Error

  • Excel Maximum Memory Configured For Back End Has Been Exceeded

  • Excel Back End Memory Allocation Failed

Event IDs: 2015, 2016, 2026, 5255, 5256

Symptoms: One or more of the following symptoms might appear:

  • Some user sessions are interrupted and workbooks in the browser might stop responding.

  • Users can't create sessions and so can't view workbooks in their browsers.

  • Existing user sessions may stop responding and cause open workbooks in the browser to stop responding.

  • Workbooks do not load.

  • Workbook performance is poor.

Cause: One or both of the following might be the cause:

  • The Excel Services server has reached capacity and the server cannot allocate more memory resources.

  • The Excel Services server experienced an unexpected failure and cannot allocate new memory.

Resolution: One or both of the following actions might resolve the issue:

  • Evaluate whether Excel Services servers are sufficient or if there are enough servers to support user load.

  • Restart the Excel Services server.

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