Unable to authenticate session – EBS R12

Unable to authenticate session – EBS R12

This is one of the most common problem with a common solution.

Unable to authenticate session – EBS R12

EBS login error:

“Unable to Authenticate Session”

Start the Internet Explorer with the option '-noframemerging', as described in Note 389422.1 - 'Recommended Browsers for Oracle E-Business Suite Release 12' under the Known issues.

Solution 1:

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)

Solution 2:

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




Reference metalink documents.

R12: Using IE8 to access two EBS Instances runs in error "Unable To Authenticate Session" [ID 1098563.1]
R12 - logon to a cloned Instance is failing with error 'Unable to Authenticate Session' [ID 744086.1]
Unable To Authenticate Session Error When Login to Different R12 Instance in Same IE Session [ID 1159313.1]
Unable To Authenticate Session When Trying To Get To Main Login Screen [ID 1353483.1]