Configuration Manager - Database Update Tool

The Database update tool available from the Database node of the Configuration Manager updates the merchant key and all encrypted data (for example, passwords or credit card numbers) in one or more WebSphere Commerce databases for a given instance. From the Run Database Update Tool node of Configuration Manager, select one of the following:

Update all databases for this instance
Migrates encrypted data for all databases for the selected instance 
Update selected database
Migrates encrypted data for a specific database by selecting the database from the drop-down list (the default).
Action Item
Select an action you want to run from the Action Item box, and fill in the required information in the Parameter field:
Database Update Tool - Actions
ActionsParametersAction Required
Change Merchant KeyOld Merchant KeyEnter your existing merchant key that you used when you created your current WebSphere Commerce instance.
New Merchant KeyEnter your new merchant key. This is a16-digit hexadecimal number for the Configuration Manager to re-encrypt the currently encrypted  data. The Merchant Key must have at least one alphanumeric character (a to f) and at least one numeric character (0 to 9). Any alphanumeric character must be entered in lower case letters, and you cannot have the same character entered more than four times in a row.

After making your selections and completing the fields as necessary, click OK to run the database update tool for your selected WebSphere Commerce database or for all your WebSphere Commerce databases.  Upon successfully updating the configuration for your instance, you will receive a message indicating a successful update. From the WebSphere Application Server Administration Console, stop then restart the WebSphere Commerce Server instance.

For more information, see the section on authentication in the WebSphere Commerce Security Guide.