Intermittent "The RPC server is unavailable. (Exception from HRESULT: 0x800706BA)" errors launching Excel-related functionality

Troubleshooting

Problem

User launches the 'main' Controller program. User clicks the 'X' button (to launch the 'Controller link'). An error appears. The problem is intermittent. Most of the time it works OK.

Symptom

User clicks the green 'X' button:
cid:image009.gif@01D3EDBB.73829000

An error appears:
cid:image010.gif@01D3EDBB.73829000

Error Launching menu item "Controller Link"

The RPC server is unavailable. (Exception from HRESULT: 0x800706BA)
at Microsoft.Office.Interop.Excel.ApplicationClass.get_Workbook()
at Cognos.Controller.Forms.Common.fFrmFrangoFunc.InitExcelLink(Object& xlApp, String sText, Int32 excelProcessId)
at Cognos.Controller.Forms.ControllerMDI.DoAction(Int32 iMenuIDNumber, ControllerMenuItem ClickedItem)"

[{"Product":{"code":"SS9S6B","label":"IBM Cognos Controller"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Component":"Controller","Platform":[{"code":"PF033","label":"Windows"}],"Version":"10.3.1","Edition":"","Line of Business":{"code":"LOB76","label":"Data Platform"}},{"Product":{"code":"SSMRTZ","label":"IBM Cognos Controller on Cloud"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Component":" ","Platform":[{"code":"","label":""}],"Version":"","Edition":"","Line of Business":{"code":"LOB76","label":"Data Platform"}}]

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Document Information

More support for:
IBM Cognos Controller

Software version:
10.3.1

Operating system(s):
Windows

Document number:
712413

Modified date:
09 May 2025

UID

swg22017509

IBM Support

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