Has anyone tried this?

[Asian Kid]

Enables global chat messaging of player deaths. (Also requires enableRadio true;?)

DZE_DeathMsgGlobal = true;

Enables side chat messaging of player deaths. (Also requires enableRadio true;?)

DZE_DeathMsgSide = true;

Enables global title text messaging of player deaths.

DZE_DeathMsgTitleText = true;

[MGT]

Yes, they work fine, you only need to enable 1 of them though, not all 3.

[Asian Kid]

I did this and didn't work here is my init file
 

///////////////////////////////////////////////////////////////////////////////////////////
//disable greeting menu 
player setVariable ["BIS_noCoreConversations", true];
//disable radio messages to be heard and shown in the left lower corner of the screen
enableRadio true;
///////////////////////////////////////////////////////////////////////////////////////////
//Change me to ture if you want death messages (enableRadio true;)
///////////////////////////////////////////////////////////////////////////////////////////
// DayZ Epoch config
spawnShoremode = 0; // Default = 1 (on shore)
spawnArea= 1500; // Default = 1500
MaxHeliCrashes= 5; // Default = 5
MaxVehicleLimit = 450; // Default = 50
MaxDynamicDebris = 100; // Default = 100
dayz_MapArea = 10000; // Default = 10000
dayz_maxLocalZombies = 30; // Default = 30 
dayz_maxAnimals = 10;
///////////////////////////////////////////////////////////////////////////////////////////
dayz_maxZeds = 300;
dayz_sellDistance = 30;
dayz_zedsAttackVehicles = false;
DZE_TRADER_SPAWNMODE = true;
dayz_tameDogs = true;
OldHeliCrash = false;
///////////////////////////////////////////////////////////////////////////////////////////
DZE_DeathMsgGlobal = true;

[MGT]

Something else is preventing it from displaying then, have you got the kills showing up in your rpt log?