EM12c login FAILED for all users after database upgrade from to

Two days back I ran into an issue where I was not able to login to my OEM12c test environment using any of the account. This happened after OEM database upgrade. Recently I did upgrade of my OEM database from to followed by upgrade to

After upgrade was done successfully I tried to login to OEM using my account “dksharma” it gave me error, then I tried using the “sysman” but login failed again. All other users also  reported the same issue.

I have document all  my findings and solution to that in the attached document. If you also face the same Issue you use to document to fix your problem.





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