When you upgrade to K2 Five and execute the “List” Method for a SmartObject that you are not authorized for, with the SQL Server service instance set to Impersonate Authentication, you don't get the login failed error message.
- Ensure you have K2 Five RTM installed.
- Get the K2 Five RTM FP18 from Regional Support.
- Install the K2 Five RTM FP18 to apply the fix.
- Error should display now for users with no access.