Part of the security matrix of Dynamics GP is the system password which provides another layer of protection after users have already logged in to Dynamics GP. Certain processes like changing security settings or setup options may require an additional password known as the system password. Even if a user has appropriate rights to set up options, they can't change those options without the system password.
While the use of a system password is technically optional, it is typically used in Dynamics GP implementations. In many environments it is also entered very infrequently and typically by administrators. Consequently, the system password can be lost or forgotten as people leave the company or change roles. Imagine how painful it could be to explain that security can't be changed because the system password has been lost!
Fortunately, there is a process available for administrators with access to the SQL Server to reset the administrator...