diff --git a/src/game/GossipDef.cpp b/src/game/GossipDef.cpp
index 3d8791a4c..9013b90f3 100644
--- a/src/game/GossipDef.cpp
+++ b/src/game/GossipDef.cpp
@@ -652,6 +652,7 @@ void PlayerMenu::SendQuestQueryResponse( Quest const *pQuest )
         }
         data << uint32(pQuest->ReqCreatureOrGOCount[iI]);
         data << uint32(pQuest->ReqSourceId[iI]);
+        data << uint32(0);                                  // req source count?
     }
 
     for (iI = 0; iI < QUEST_ITEM_OBJECTIVES_COUNT; ++iI)
diff --git a/src/game/Opcodes.cpp b/src/game/Opcodes.cpp
index 84e037035..8d97e6795 100644
--- a/src/game/Opcodes.cpp
+++ b/src/game/Opcodes.cpp
@@ -1309,4 +1309,7 @@ OpcodeHandler opcodeTable[NUM_MSG_TYPES] =
     /*0x500*/ { "CMSG_QUERY_QUESTS_COMPLETED",                  STATUS_LOGGEDIN, &WorldSession::HandleQueryQuestsCompleted      },
     /*0x501*/ { "SMSG_QUERY_QUESTS_COMPLETED_RESPONSE",         STATUS_NEVER,    &WorldSession::Handle_ServerSide               },
     /*0x502*/ { "CMSG_GM_REPORT_LAG",                           STATUS_NEVER,    &WorldSession::Handle_NULL                     },
+    /*0x503*/ { "UMSG_UNKNOWN_1283",                            STATUS_NEVER,    &WorldSession::Handle_NULL                     },
+    /*0x504*/ { "UMSG_UNKNOWN_1284",                            STATUS_NEVER,    &WorldSession::Handle_NULL                     },
+    /*0x505*/ { "UMSG_UNKNOWN_1285",                            STATUS_NEVER,    &WorldSession::Handle_NULL                     },
 };
diff --git a/src/game/Opcodes.h b/src/game/Opcodes.h
index c1f1ca8da..ffffa69d7 100644
--- a/src/game/Opcodes.h
+++ b/src/game/Opcodes.h
@@ -1315,9 +1315,12 @@ enum Opcodes
     UMSG_UNKNOWN_1278                               = 0x4FE, // not found 10596
     CMSG_READY_FOR_ACCOUNT_DATA_TIMES               = 0x4FF, // lua: ReadyForAccountDataTimes
     CMSG_QUERY_QUESTS_COMPLETED                     = 0x500, // lua: QueryQuestsCompleted
-    SMSG_QUERY_QUESTS_COMPLETED_RESPONSE            = 0x501, // response to 0x4FF
+    SMSG_QUERY_QUESTS_COMPLETED_RESPONSE            = 0x501, // response to 0x500
     CMSG_GM_REPORT_LAG                              = 0x502, // lua: GMReportLag
-    NUM_MSG_TYPES                                   = 0x503
+    UMSG_UNKNOWN_1283                               = 0x503,
+    UMSG_UNKNOWN_1284                               = 0x504,
+    UMSG_UNKNOWN_1285                               = 0x505,
+    NUM_MSG_TYPES                                   = 0x506
 };
 
 /// Player state
diff --git a/src/game/UpdateFields.h b/src/game/UpdateFields.h
index b5b59a7d9..aa2ba6dde 100644
--- a/src/game/UpdateFields.h
+++ b/src/game/UpdateFields.h
@@ -19,7 +19,7 @@
 #ifndef _UPDATEFIELDS_AUTO_H
 #define _UPDATEFIELDS_AUTO_H
 
-// Auto generated for version 0, 3, 0, 10712
+// Auto generated for version 0, 3, 0, 10747
 
 enum EObjectFields
 {
diff --git a/src/realmd/AuthCodes.h b/src/realmd/AuthCodes.h
index 1e1815411..07ad4a08b 100644
--- a/src/realmd/AuthCodes.h
+++ b/src/realmd/AuthCodes.h
@@ -66,9 +66,9 @@ enum LoginResult
 
 // we need to stick to 1 version or half of the stuff will work for someone
 // others will not and opposite
-// will only support WoW, WoW:TBC and WoW:WotLK 3.3.0 client build 10712...
+// will only support WoW, WoW:TBC and WoW:WotLK 3.3.0 client build 10747...
 
-#define EXPECTED_MANGOS_CLIENT_BUILD        {10712, 0}
+#define EXPECTED_MANGOS_CLIENT_BUILD        {10747, 0}
 
 // At update excepted builds please update if need define DEFAULT_MAX_LEVEL
 // in DBCEnum.h to default max player level expected by build