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**HOW TO TROUBLESHOOT** the generic error 'An error occurred while trying to access server' when launching Controller

Troubleshooting


Problem

Scenario #A - User launches Controller. User receives error message. Scenario #B - User launches Controller. User then receives database selection menu. User selects their database. User then receives error message.

Symptom

Screen message:

    An error occurred while trying to access server

Event Viewer (Application Log)
Depending on the exact scenario which caused the problem, you will typically find a unique error message recorder inside the application log (inside the Windows Event Viewer).

[{"Product":{"code":"SS9S6B","label":"IBM Cognos Controller"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Component":"Controller","Platform":[{"code":"PF033","label":"Windows"}],"Version":"8.5;8.4;8.3;8.2","Edition":"All Editions","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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Historical Number

1041951

Document Information

Modified date:
08 May 2025

UID

swg21366724