When performing either of the actions below from Ivanti EPM Console, you see the following error popup (can be intermittent).
- Opening the properties of a software distribution task.
- Creating a new scheduled task from 'Scheduled tasks' toolbox.
System.MissingMethodException: Method not found: 'Int32 LANDesk.ManagementSuite.Data.ETask.get_TargetAllUsers()'.
LANDesk.ManagementSuite.Data.dll is corrupted or not the proper build for the core server.
- Backup LANDesk.ManagementSuite.Data.dll at \LANDesk\ManagementSuite\ from the core server.
Copy LANDesk.ManagementSuite.Data.dll from a working core server of the same version.
Replace LANDesk.ManagementSuite.Data.dll with the one from the working core.