diff --git a/Source/Game/DungeonFinding/LFGManager.cs b/Source/Game/DungeonFinding/LFGManager.cs
index a27e8ec80..72f14e76f 100644
--- a/Source/Game/DungeonFinding/LFGManager.cs
+++ b/Source/Game/DungeonFinding/LFGManager.cs
@@ -1607,7 +1607,7 @@ namespace Game.DungeonFinding
                     lockStatus = LfgLockStatusType.NotInSeason;
                 else if (Global.DisableMgr.IsDisabledFor(DisableType.LFGMap, dungeon.map, player))
                     lockStatus = LfgLockStatusType.RaidLocked;
-                else if (dungeon.difficulty > Difficulty.Normal && Global.InstanceLockMgr.FindActiveInstanceLock(guid, new MapDb2Entries(dungeon.map, dungeon.difficulty)) != null)
+                else if (Global.InstanceLockMgr.FindActiveInstanceLock(guid, new MapDb2Entries(dungeon.map, dungeon.difficulty)) != null)
                     lockStatus = LfgLockStatusType.RaidLocked;
                 else if (dungeon.seasonal && !IsSeasonActive(dungeon.id))
                     lockStatus = LfgLockStatusType.NotInSeason;
diff --git a/Source/Game/Maps/Instances/InstanceLockManager.cs b/Source/Game/Maps/Instances/InstanceLockManager.cs
index 1ab9d006f..f7282ebc2 100644
--- a/Source/Game/Maps/Instances/InstanceLockManager.cs
+++ b/Source/Game/Maps/Instances/InstanceLockManager.cs
@@ -110,7 +110,7 @@ namespace Game.Maps
                 return TransferAbortReason.None;
             }
 
-            if (!entries.MapDifficulty.IsUsingEncounterLocks() && playerInstanceLock.GetInstanceId() != 0 && playerInstanceLock.GetInstanceId() != instanceLock.GetInstanceId())
+            if (!entries.MapDifficulty.IsUsingEncounterLocks() && playerInstanceLock.IsNew() && playerInstanceLock.GetInstanceId() != instanceLock.GetInstanceId())
                 return TransferAbortReason.LockedToDifferentInstance;
 
             return TransferAbortReason.None;
@@ -167,11 +167,13 @@ namespace Game.Maps
                 SharedInstanceLockData sharedData = new();
                 _instanceLockDataById[instanceId] = sharedData;
                 instanceLock = new SharedInstanceLock(entries.MapDifficulty.MapID, (Difficulty)entries.MapDifficulty.DifficultyID,
-                    GetNextResetTime(entries), 0, sharedData);
+                    GetNextResetTime(entries), instanceId, sharedData);
             }
             else
                 instanceLock = new InstanceLock(entries.MapDifficulty.MapID, (Difficulty)entries.MapDifficulty.DifficultyID,
-                    GetNextResetTime(entries), 0);
+                    GetNextResetTime(entries), instanceId);
+
+            instanceLock.SetIsNew(true);
 
             if (!_temporaryInstanceLocksByPlayer.ContainsKey(playerGuid))
                 _temporaryInstanceLocksByPlayer[playerGuid] = new Dictionary<InstanceLockKey, InstanceLock>();
@@ -237,7 +239,7 @@ namespace Game.Maps
             {
                 if (entries.IsInstanceIdBound())
                 {
-                    Cypher.Assert(instanceLock.GetInstanceId() == 0 || instanceLock.GetInstanceId() == updateEvent.InstanceId);
+                    Cypher.Assert(instanceLock.GetInstanceId() == updateEvent.InstanceId);
                     var sharedDataItr = _instanceLockDataById.LookupByKey(updateEvent.InstanceId);
                     Cypher.Assert(sharedDataItr != null);
                     Cypher.Assert(sharedDataItr == (instanceLock as SharedInstanceLock).GetSharedData());
@@ -246,6 +248,7 @@ namespace Game.Maps
                 instanceLock.SetInstanceId(updateEvent.InstanceId);
             }
 
+            instanceLock.SetIsNew(false);
             instanceLock.GetData().Data = updateEvent.NewData;
             if (updateEvent.CompletedEncounter != null)
             {
@@ -325,6 +328,9 @@ namespace Game.Maps
             if (_unloading)
                 return;
 
+            if (!_instanceLockDataById.ContainsKey(instanceId))
+                return;
+
             _instanceLockDataById.Remove(instanceId);
             PreparedStatement stmt = CharacterDatabase.GetPreparedStatement(CharStatements.DEL_INSTANCE);
             stmt.AddValue(0, instanceId);
@@ -381,6 +387,9 @@ namespace Game.Maps
                 if (difficulty.HasValue && difficulty.Value != playerLockPair.Value.GetDifficultyId())
                     continue;
 
+                if (playerLockPair.Value.IsExpired())
+                    continue;
+
                 locksReset.Add(playerLockPair.Value);
             }
 
@@ -470,6 +479,7 @@ namespace Game.Maps
         bool _extended;
         InstanceLockData _data = new();
         bool _isInUse;
+        bool _isNew;
 
         public InstanceLock(uint mapId, Difficulty difficultyId, DateTime expiryTime, uint instanceId)
         {
@@ -523,6 +533,10 @@ namespace Game.Maps
         public bool IsInUse() { return _isInUse; }
 
         public void SetInUse(bool inUse) { _isInUse = inUse; }
+
+        public bool IsNew() { return _isNew; }
+
+        public void SetIsNew(bool isNew) { _isNew = isNew; }
     }
 
     class SharedInstanceLockData : InstanceLockData
diff --git a/Source/Game/Maps/Map.cs b/Source/Game/Maps/Map.cs
index 4cb360513..18e0c8f8c 100644
--- a/Source/Game/Maps/Map.cs
+++ b/Source/Game/Maps/Map.cs
@@ -4801,7 +4801,7 @@ namespace Game.Maps
             player.AddInstanceEnterTime(GetInstanceId(), GameTime.GetGameTime());
 
             MapDb2Entries entries = new(GetEntry(), GetMapDifficulty());
-            if (entries.MapDifficulty.HasResetSchedule() && i_instanceLock != null && i_instanceLock.GetData().CompletedEncountersMask != 0)
+            if (entries.MapDifficulty.HasResetSchedule() && i_instanceLock != null && !i_instanceLock.IsNew())
             {
                 if (!entries.MapDifficulty.IsUsingEncounterLocks())
                 {
@@ -4890,7 +4890,7 @@ namespace Game.Maps
             if (i_data == null)
                 return;
 
-            if (i_instanceLock == null || i_instanceLock.GetInstanceId() == 0)
+            if (i_instanceLock == null || i_instanceLock.IsNew())
             {
                 i_data.Create();
                 return;
@@ -4926,7 +4926,7 @@ namespace Game.Maps
         public InstanceResetResult Reset(InstanceResetMethod method)
         {
             // raids can be reset if no boss was killed
-            if (method != InstanceResetMethod.Expire && i_instanceLock != null && i_instanceLock.GetData().CompletedEncountersMask != 0)
+            if (method != InstanceResetMethod.Expire && i_instanceLock != null && !i_instanceLock.IsNew())
                 return InstanceResetResult.CannotReset;
 
             if (HavePlayers())
@@ -5015,7 +5015,7 @@ namespace Game.Maps
                         playerCompletedEncounters = playerLock.GetData().CompletedEncountersMask | (1u << updateSaveDataEvent.DungeonEncounter.Bit);
                     }
 
-                    bool isNewLock = playerLock == null || playerLock.GetData().CompletedEncountersMask == 0 || playerLock.IsExpired();
+                    bool isNewLock = playerLock == null || playerLock.IsNew() || playerLock.IsExpired();
 
                     InstanceLock newLock = Global.InstanceLockMgr.UpdateInstanceLockForPlayer(trans, player.GetGUID(), entries, new InstanceLockUpdateEvent(GetInstanceId(), i_data.UpdateBossStateSaveData(oldData, updateSaveDataEvent),
                         instanceCompletedEncounters, updateSaveDataEvent.DungeonEncounter, i_data.GetEntranceLocationForCompletedEncounters(playerCompletedEncounters)));
@@ -5058,7 +5058,7 @@ namespace Game.Maps
                     if (playerLock != null)
                         oldData = playerLock.GetData().Data;
 
-                    bool isNewLock = playerLock == null || playerLock.GetData().CompletedEncountersMask == 0 || playerLock.IsExpired();
+                    bool isNewLock = playerLock == null || playerLock.IsNew() || playerLock.IsExpired();
 
                     InstanceLock newLock = Global.InstanceLockMgr.UpdateInstanceLockForPlayer(trans, player.GetGUID(), entries, new InstanceLockUpdateEvent(GetInstanceId(), i_data.UpdateAdditionalSaveData(oldData, updateSaveDataEvent),
                         instanceCompletedEncounters, null, null));
@@ -5082,7 +5082,7 @@ namespace Game.Maps
             MapDb2Entries entries = new(GetEntry(), GetMapDifficulty());
             InstanceLock playerLock = Global.InstanceLockMgr.FindActiveInstanceLock(player.GetGUID(), entries);
 
-            bool isNewLock = playerLock == null || playerLock.GetData().CompletedEncountersMask == 0 || playerLock.IsExpired();
+            bool isNewLock = playerLock == null || playerLock.IsNew() || playerLock.IsExpired();
 
             SQLTransaction trans = new();
 
diff --git a/Source/Game/Maps/MapManager.cs b/Source/Game/Maps/MapManager.cs
index 2bd3e771a..6df7ef547 100644
--- a/Source/Game/Maps/MapManager.cs
+++ b/Source/Game/Maps/MapManager.cs
@@ -70,7 +70,7 @@ namespace Game.Entities
             // some instances only have one difficulty
             Global.DB2Mgr.GetDownscaledMapDifficultyData(mapId, ref difficulty);
 
-            Log.outDebug(LogFilter.Maps, $"MapInstanced::CreateInstance: {(instanceLock?.GetInstanceId() != 0 ? "" : "new ")}map instance {instanceId} for {mapId} created with difficulty {difficulty}");
+            Log.outDebug(LogFilter.Maps, $"MapInstanced::CreateInstance: {(instanceLock?.IsNew() == true ? "new" : " ")} map instance {instanceId} for {mapId} created with difficulty {difficulty}");
 
             InstanceMap map = new InstanceMap(mapId, i_gridCleanUpDelay, instanceId, difficulty, team, instanceLock);
             Cypher.Assert(map.IsDungeon());