IBM Support

HTTP 441 Error when accessing Cognos via Windows Authentication Single-Signon (SSO)

Troubleshooting


Problem

When trying to access the Cognos Portal via SSO, Developer Tools built into the browser, or Fiddler show a 441 error message.

[{"Product":{"code":"SSTSF6","label":"IBM Cognos Analytics"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Component":"Administration and Configuration v11x","Platform":[{"code":"PF033","label":"Windows"}],"Version":"11.0","Edition":"","Line of Business":{"code":"LOB76","label":"Data Platform"}},{"Product":{"code":"SS6G84","label":"IBM Cognos Analytics 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 Analytics

Software version:
11.0

Operating system(s):
Windows

Document number:
554865

Modified date:
01 May 2025

UID

swg21992587