R12: Using IE8 to access two EBS Instances runs in error "Unable To Authenticate Session" (Doc ID 1098563.1)

Last updated on AUGUST 08, 2016

Applies to:

Oracle Applications Technology Stack - Version 12.1.1 to 12.1.3 [Release 12.1]
Information in this document applies to any platform.
***Checked for relevance on 24-May-2013***

Symptoms

You are using the Microsoft Internet Explorer 8 (IE8) or later (through IE11) to access multiple Release 12.1.x E-Business-Suite Instances (for example PROD, TEST and DEV).

When you log out from the DEV Instance and login to the TEST or PROD the following error is received:
...
Unable to authenticate session
...

For one Instance logon is working, but for other Instances (in most cases a clone) it is not working and the above error occurs.

Cause

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