Troubleshooting
Problem
User launches the 'main' Controller client (Controller 'classic'). User clicks the green 'X' button ('Controller Link'). Excel starts to launch.
- However, an error appears.
Symptom

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Failed to register ExcelLink Addin
Add method of AddIns class failed
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If user clicks OK, they see:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
The Cognos Controller Link is not installed
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Document Location
Worldwide
[{"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SS9S6B","label":"IBM Cognos Controller"},"Component":"","Platform":[{"code":"PF033","label":"Windows"}],"Version":"All Versions","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
Modified date:
09 May 2025
UID
ibm11284004