You can remove the EventSentry agent from a remote machine with remote update. Please follow the these steps to remove the agent:
- Right-click the "Computers" container of the group the computer is a member of and make sure that "Use Checkboxes" is checked
- Right-click the "Computers" container again and select "Manage Agent(s) - Uninstall"
- In the computer list, make sure that only the computers from which you want to uninstall the agent from are checked
- Right-click anywhere in dialog on the right and select "GO"
The agent will now be stopped and uninstalled, the configuration will (optionally) be removed.