Before you upgrade Customer 360, use the schema validation utility to validate the database schema for any errors. The validation utility generates a validation report that lists all the errors in the database and fixes all the errors in the validation report. To view all the errors in the validation report, ensure that you download and apply the following Emergency Bug Fixes (EBF):

If you upgrade from Customer 360 10.3 HotFix 3, download and apply EBF-21675.
If you upgrade from Customer 360 10.4, download and apply EBF-21761.
If you upgrade from Customer 360 10.4 HotFix 1, download and apply EBF-21762.
If you upgrade from Customer 360 10.4 HotFix 2, download and apply EBF-21763.

You can download the Emergency Bug Fixes (EBF) from the following portal:

http://tsftp.informatica.com