Unable to authenticate session – EBS R12

EBS logon is failing with following error:

“Unable to Authenticate Session”


1. Clear the Browser cache.
2. Stop all Browser sessions.
3. Start a new Browser session and logon to the Instance.

Go to Tools >Internet Options > Click on delete browsing Cache (shown below)



Oracle E-Business Suite environment with IE8 and higher, When you are now logging out from your DEV Instance and want to login to the TEST- or PROD-Instance it happens “Unable to authenticate session”

Go to all programs, Right click on your IE icon and add -noframemerging to the end of the link in the Target field e.g.”C:\Program Files\Internet Explorer\iexplore.exe” -noframemerging (shown below)

1)  Start -> Program Files
2)  Right click on the Internet Explorer icon and select Properties
3)  Add -nomerge to the end of the link in the Target field i.e.
“C:\Program Files\Internet Explorer\iexplore.exe” -noframemerging
4)  Click the OK button to close the window
5)  This icon may then be copied to the desktop if desired.


Thank You !!

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  • Ammar  On October 17, 2018 at 9:38 am

    I have encountered same problem on some users. Solution to problem ” Somebody mistakenly changed the profile value of ICX Territory to Albania from United states. Changed the profile value to United stated back”. and It worked.

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