Ground Zero Service Manager (formerly released as Service Central) is a service management software for work orders, service call tracking, customer equipment tracking, preventative maintenance, technician scheduling and dispatch. Note: Free, easy to install Microsoft Data Access Components required for pre Windows 2000 OS's see our website for details. Passwords and usernames: The program requires user accounts in order to properly track the information entered. To log in for the first time you will need to use the default manager account. On the login screen use the login name: 'manager' and password: 'letmein' in lower case. There are also several sample user accounts in the evaluation database. Their login names are their first names in lower case and their passwords are also their first names in lower case.