Updating the J2C authentication data As part of the upgrade process, configure the Java 2 Connector (J2C) authentication. ProcedureLog on to the WebSphere® Application Server Administration Console. Navigate to Security > Global Security. Expand Java Authentication and Authorization Services > J2C authentication data. Edit the user ID and password of the upgraded database schema for the alias: application-name/MDMServer-MDSDB-User-Config application-name/DB-User application-name/DB-User-Config