After you upgrade from VSE 8.8 to ENS 10.5.x, the Lotus Notes email client no longer works.
The
McAfee_Endpoint_Security_Migration_McAfee VirusScan Enterprise_8 log might contain messages similar to the following:
MSI (s) (3C:3C) [18:35:22:047]: Executing op: ActionStart(Name=DeleteLotusNotesFiles,,)
<= leave custom action EnableWindowsDefender()
MSI (s) (3C:3C) [18:35:22:047]: Executing op: CustomActionSchedule(Action=DeleteLotusNotesFiles,ActionType=1090,Source=BinaryData,Target=DeleteLotusNotesFiles "c:\Program Files\IBM\Lotus\Notes",)
MSI (s) (3C:3C) [18:35:22:453]: Executing op: ActionStart(Name=DefRemoveLeftoversDELETELOTUSFILES,,)
MSI (s) (3C:3C) [18:35:22:453]: Executing op: CustomActionSchedule(Action=DefRemoveLeftoversDELETELOTUSFILES,ActionType=1026,Source=BinaryData,Target=DefRemoveLeftovers "c:\Program Files\IBM\Lotus\Notes",)