Verify that the user has been setup properly in the Administration Module | Users and Security | Users. The user must be marked as an 'Active' user, and the email address must be valid.
The time on the SQL Server housing the reporting services databases is more than one minute out of synchronization from the SQL Reporting Services server. The report being run is sufficiently complex as to take more time to complete than SQL Reporting Services allows in its timeout setting.
Mariner security roles are also referred to as non-administrator roles. They are used to secure access to the investment and resource trees in each corresponding module of the user interface. These roles determine to which portfolios the user will have access.
It is neither recommended or frowned upon to continue to use a batch file in production. However, it is recognized that once in production unwanted batch file modifications can break a production system. If CmdLineWait() calls an executable , the production system is potentially more secure.