ePO の "Event Parser" が DLP イベントを解析できず、以下のように "Debug" フォルダに移動させていることがわかりました:
EventParser_systemname.log
20200305143912 X #09972 EVNTPRSR source\server.cpp(1015): Processing , E:\Program Files (x86)\McAfee\Agent Handler\DB\Events\7abc6c8e-2090-4d3a-8c61-72b98f477e32-mc_202003051633028977091000021A0.xml.
20200305143912 X #09972 EPODAL ePOData_Connection.cpp(590): ssl Authenticate mode is 1
20200305143912 X #09972 HOSTDLPEVENT Start processing event using ProcessEvent(LPUNKNOWN DBConnection, LPUNKNOWN XMLDoc)
20200305143912 X #09972 HOSTDLPEVENT EPOEvents_InsertEvent2 returned AutoID 1447072515
20200305143912 E #10844 HOSTDLPEVENT Error processing event. Error: SP: UDLP_CleanComputerProperties_SP, Param: @computer_id. Error: Transaction (Process ID 97) was deadlocked on lock resources with another process and has been chosen as the deadlock victim. Rerun the transaction.. Error Code: -2147467259
20200305143912 E #10844 HOSTDLPEVENT Failed process event. Time elapsed: (in ms): 8781
20200305143912 E #10844 EVNTPRSR source\server.cpp(1064): COM Error 0x80004005, source=(null), desc=(null), msg=Unspecified error