User tried to log into the Server Manager website with a valid username, the user would get a "Database access error".
Solution
A Google search revealed that SQL Server has issues when connecting to a database via ODBC DSN when passwords contain special characters. When the user was setting up the Database, he had change the Ivara user's password to include special characters such as "$*". Although the server manager tested ok and the ODBC tested ok, the problem only presented itself when trying to log into the Server Manager website. Changing back to the default password database user password allowed the user to connect to the website without further issue because it is just simple alpha numeric text.
VSTS #21433 - Update installation guide specifying alpha numeric password for the default database owner user.