Retrieve User and Password for CRM Custom Reports in SSRS

/*
https://support.microsoft.com/en-sg/help/2006869/cannot-create-a-connection-to-data-source-crm-error-occurs-when-you-ru
Here username should be systemuserid and password should be organizationid when running a SQL based custom report on a Report Server.
*/

SELECT fullname, systemuserid, organizationid FROM FilteredSystemUser ORDER BY FullName