IBM Support

"The underlying connection was closed: An unexpected error occurred on a send" when click 'tick' button (to test Report Server) inside 'Controller Configuration', solved by forcing TLS 1.2

Troubleshooting


Problem

Administrator logs onto the Controller application server, and launches 'Controller Configuration'.
Inside section 'Report Server', administrator clicks the green 'tick' button (to check the connection to the Cognos Analytics report server). An error appears.

Symptom

image 6118
The underlying connection was closed: An unexpected error occurred on a send

Document Location

Worldwide

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Document Information

Modified date:
09 May 2025

UID

ibm16333469