You just need to configure the Core Server as the preferred server. It is so that it can use UNC credentials correctly when using actions that can make sure of preferred servers.
MarXtar Ltd/MarXtar Corporation
LANDesk Expert Solution Provider
The One-Stop Shop for LANDesk Enhancements
Update - New Stand-Alone State Notifier Console for Service Desk Operators
Update - State Notifier now detects machine and user Idle states
Update - WoW & State Notifier now integrate for even more functionality