SYMPTOM:
When an administrator user logs into the project source to go in the History List Messages monitor, the following error message is seen:

History List Content Service initialization failed. Please check whether the History List database and its tables are set up properly.
MsiUserInBox::PopulateFromDB(): content service is not initialized correctly

ACTION:
Ensure the Database Instance and the DSN used to connect to the History List Content Server is set up correctly. Also, ensure that the required History List tables were created previously on this database using the Strategy Configuration Wizard. After making any changes to the DSN or the Database Instance, restart the Intelligence Server for the changes to take affect.