Novell SENTINEL 6.1 SP2 - REFERENCE GUIDE 02-2010 Reference Manual page 200

You must grant write access to %ESEC_HOME% to the Users group.
To set the Sentinel Service to start successfully:
1 Open Window's Explorer and navigate to %ESEC_HOME%.
2 Right-click the Sentinel parent folder (Typically named sentinel6) > Properties > Security tab.
3 Highlight Users group. Grant Read & Execute, List Folder Contents, Read, Write permissions.
Click OK.
4 In the Services window, restart the Sentinel service.
200 Sentinel 6.1 Reference Guide