diff --git a/src/game/Opcodes.h b/src/game/Opcodes.h
index f7db2af42..73884b939 100644
--- a/src/game/Opcodes.h
+++ b/src/game/Opcodes.h
@@ -710,6 +710,7 @@ enum Opcodes
     SMSG_PVP_CREDIT                                       = 0x6015, // 4.3.4 15595
     SMSG_AUCTION_REMOVED_NOTIFICATION                     = 0x2334, // 4.3.4 15595
     CMSG_GROUP_RAID_CONVERT                               = 0x6E27, // 4.3.4 15595
+    CMSG_GROUP_REQUEST_JOIN_UPDATES                       = 0x2583, // 4.3.4 15595
     CMSG_GROUP_ASSISTANT_LEADER                           = 0x6025, // 4.3.4 15595
     CMSG_BUYBACK_ITEM                                     = 0x6C17, // 4.3.4 15595
     SMSG_SERVER_MESSAGE                                   = 0x6C04, // 4.3.4 15595
@@ -979,7 +980,7 @@ enum Opcodes
     CMSG_SEND_COMBAT_TRIGGER                              = 0x1395,
     CMSG_MAELSTROM_GM_SENT_MAIL                           = 0x1396,
     SMSG_RESET_FAILED_NOTIFY                              = 0x4616, // 4.3.4 15595
-    SMSG_REAL_GROUP_UPDATE                                = 0x1398,
+    SMSG_REAL_GROUP_UPDATE                                = 0x0F34, // 4.3.4 15595
     SMSG_LFG_DISABLED                                     = 0x1399,
     CMSG_ACTIVE_PVP_CHEAT                                 = 0x139A,
     CMSG_CHEAT_DUMP_ITEMS_DEBUG_ONLY                      = 0x139B,
diff --git a/src/game/Server/Opcodes.cpp b/src/game/Server/Opcodes.cpp
index b9f388deb..eca7de900 100644
--- a/src/game/Server/Opcodes.cpp
+++ b/src/game/Server/Opcodes.cpp
@@ -732,6 +732,7 @@ void InitializeOpcodes()
     OPCODE(SMSG_PVP_CREDIT,                              STATUS_NEVER,    PROCESS_INPLACE,      &WorldSession::Handle_ServerSide               );
     OPCODE(SMSG_AUCTION_REMOVED_NOTIFICATION,            STATUS_NEVER,    PROCESS_INPLACE,      &WorldSession::Handle_ServerSide               );
     OPCODE(CMSG_GROUP_RAID_CONVERT,                      STATUS_LOGGEDIN, PROCESS_THREADUNSAFE, &WorldSession::HandleGroupRaidConvertOpcode    );
+    OPCODE(CMSG_GROUP_REQUEST_JOIN_UPDATES,              STATUS_LOGGEDIN, PROCESS_THREADUNSAFE, &WorldSession::HandleGroupRequestJoinUpdates);
     OPCODE(CMSG_GROUP_ASSISTANT_LEADER,                  STATUS_LOGGEDIN, PROCESS_THREADUNSAFE, &WorldSession::HandleGroupAssistantLeaderOpcode);
     OPCODE(CMSG_BUYBACK_ITEM,                            STATUS_LOGGEDIN, PROCESS_THREADUNSAFE, &WorldSession::HandleBuybackItem               );
     OPCODE(SMSG_SERVER_MESSAGE,                          STATUS_NEVER,    PROCESS_INPLACE,      &WorldSession::Handle_ServerSide               );
@@ -1002,7 +1003,7 @@ void InitializeOpcodes()
     //OPCODE(CMSG_SEND_COMBAT_TRIGGER,                     STATUS_NEVER,    PROCESS_INPLACE,      &WorldSession::Handle_NULL                     );
     //OPCODE(CMSG_MAELSTROM_GM_SENT_MAIL,                  STATUS_NEVER,    PROCESS_INPLACE,      &WorldSession::Handle_NULL                     );
     OPCODE(SMSG_RESET_FAILED_NOTIFY,                     STATUS_NEVER,    PROCESS_INPLACE,      &WorldSession::Handle_ServerSide               );
-    //OPCODE(SMSG_REAL_GROUP_UPDATE,                       STATUS_NEVER,    PROCESS_INPLACE,      &WorldSession::Handle_ServerSide               );
+    OPCODE(SMSG_REAL_GROUP_UPDATE,                       STATUS_NEVER,    PROCESS_INPLACE,      &WorldSession::Handle_ServerSide               );
     //OPCODE(SMSG_LFG_DISABLED,                            STATUS_NEVER,    PROCESS_INPLACE,      &WorldSession::Handle_ServerSide               );
     //OPCODE(CMSG_ACTIVE_PVP_CHEAT,                        STATUS_NEVER,    PROCESS_INPLACE,      &WorldSession::Handle_NULL                     );
     //OPCODE(CMSG_CHEAT_DUMP_ITEMS_DEBUG_ONLY,             STATUS_NEVER,    PROCESS_INPLACE,      &WorldSession::Handle_NULL                     );
diff --git a/src/game/Server/WorldSession.h b/src/game/Server/WorldSession.h
index 00883437b..ef5518f88 100644
--- a/src/game/Server/WorldSession.h
+++ b/src/game/Server/WorldSession.h
@@ -551,6 +551,7 @@ class  WorldSession
         void HandleRaidReadyCheckOpcode(WorldPacket& recv_data);
         void HandleRaidReadyCheckFinishedOpcode(WorldPacket& recv_data);
         void HandleGroupRaidConvertOpcode(WorldPacket& recv_data);
+        void HandleGroupRequestJoinUpdates(WorldPacket& recv_data);
         void HandleGroupChangeSubGroupOpcode(WorldPacket& recv_data);
         void HandleGroupAssistantLeaderOpcode(WorldPacket& recv_data);
         void HandlePartyAssignmentOpcode(WorldPacket& recv_data);
diff --git a/src/game/WorldHandlers/Group.h b/src/game/WorldHandlers/Group.h
index 5b758b7fb..3e54a4058 100644
--- a/src/game/WorldHandlers/Group.h
+++ b/src/game/WorldHandlers/Group.h
@@ -259,6 +259,7 @@ class  Group
         uint32 GetId() const { return m_Id; }
         ObjectGuid GetObjectGuid() const { return ObjectGuid(HIGHGUID_GROUP, GetId()); }
         bool IsFull() const { return (m_groupType == GROUPTYPE_NORMAL) ? (m_memberSlots.size() >= MAX_GROUP_SIZE) : (m_memberSlots.size() >= MAX_RAID_SIZE); }
+        GroupType GetGroupType() const { return m_groupType; }
         bool isRaidGroup() const { return m_groupType & GROUPTYPE_RAID; }
         bool isBGGroup()   const { return m_bgGroup != NULL; }
         bool IsCreated()   const { return GetMembersCount() > 0; }