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Suddenly all users are prompted to logon with Native authentication (instead of Cognos CAM authentication) - triggered by IIS AppPool recycling

Troubleshooting


Problem

System is configured so that users logon using CAM authentication (in other words, they logon to Controller using their Windows usernames and passwords. This works OK for a long time (for example many months).
However, suddenly one day the users are prompted to logon with the standard Controller 'native' logon prompt.
  • The administrator checks the security settings, but they are still set to authenticate via Cognos CAM authentication.

Symptom

For a long time (for example several months) the users are correctly prompted to logon to Controller via a Cognos CAM logon prompt.

Suddenly, all users find that they are prompted with a 'Native' logon screen (the next time that they launch Controller) instead:



Problem is very rare. Typically the system works OK for many months before/afterwards.

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Document Information

Modified date:
08 May 2025

UID

swg21990348