diff --git a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
index 2946bc4..a6d7b18 100644
--- a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
+++ b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
@@ -402,7 +402,7 @@
 
 	public void saveProperties()
 	{
-		ConfigurationHandler.saveServerConfig();
+		//ConfigurationHandler.saveServerConfig();
 	}
 
 	public String getSettingsFilename()
diff --git a/src/main/java/net/minecraft/server/management/ServerConfigurationManager.java b/src/main/java/net/minecraft/server/management/ServerConfigurationManager.java
index e1c31d4..d58bccd 100644
--- a/src/main/java/net/minecraft/server/management/ServerConfigurationManager.java
+++ b/src/main/java/net/minecraft/server/management/ServerConfigurationManager.java
@@ -93,7 +93,7 @@
 	private final Map field_148547_k;
 	private IPlayerFileData playerNBTManagerObj;
 	private boolean whiteListEnforced;
-	protected int maxPlayers;
+	public int maxPlayers;
 	protected int viewDistance;
 	private WorldSettings.GameType gameType;
 	private boolean commandsAllowedForAll;
diff --git a/src/main/java/org/ultramine/commands/basic/TechCommands.java b/src/main/java/org/ultramine/commands/basic/TechCommands.java
index e3b6839..a82c8dc 100644
--- a/src/main/java/org/ultramine/commands/basic/TechCommands.java
+++ b/src/main/java/org/ultramine/commands/basic/TechCommands.java
@@ -27,9 +27,11 @@
 import org.ultramine.commands.Command;
 import org.ultramine.commands.CommandContext;
 import org.ultramine.server.BackupManager;
+import org.ultramine.server.ConfigurationHandler;
 import org.ultramine.server.MultiWorld;
 import org.ultramine.server.Restarter;
 import org.ultramine.server.Teleporter;
+import org.ultramine.server.UltramineServerConfig;
 import org.ultramine.server.UltramineServerModContainer;
 import org.ultramine.server.BackupManager.BackupDescriptor;
 import org.ultramine.server.WorldsConfig.WorldConfig.Border;
@@ -723,4 +725,22 @@
 	{
 		UltramineServerModContainer.getInstance().getRecipeCache().clearCache();
 	}
+	
+	@SideOnly(Side.SERVER)
+	@Command(
+			name = "reloadcfg",
+			group = "technical",
+			permissions = {"command.reloadcfg"},
+			syntax = {""}
+	)
+	public static void reloadcfg(CommandContext ctx)
+	{
+		ConfigurationHandler.load();
+		UltramineServerConfig cfg = ConfigurationHandler.getServerConfig();
+		MinecraftServer server = ctx.getServer();
+		server.func_143006_e(cfg.settings.player.playerIdleTimeout);
+		server.getConfigurationManager().maxPlayers = cfg.settings.player.maxPlayers;
+		
+		server.getMultiWorld().reloadServerWorlds();
+	}
 }
diff --git a/src/main/java/org/ultramine/server/MultiWorld.java b/src/main/java/org/ultramine/server/MultiWorld.java
index 25c2a71..cd054c4 100644
--- a/src/main/java/org/ultramine/server/MultiWorld.java
+++ b/src/main/java/org/ultramine/server/MultiWorld.java
@@ -175,6 +175,34 @@
 		}
 	}
 	
+	@SideOnly(Side.SERVER)
+	public void reloadServerWorlds()
+	{
+		Map<String, WorldConfig> worlds = ConfigurationHandler.getWorldsConfig().worlds;
+		TIntSet isolatedDataDimsSet = new TIntHashSet();
+		
+		for(Map.Entry<String, WorldConfig> ent : worlds.entrySet())
+		{
+			WorldConfig conf = ent.getValue();
+			if(!DimensionManager.isDimensionRegistered(conf.dimension))
+			{
+				DimensionManager.registerDimension(conf.dimension, conf.generation.providerID);
+				dimToNameMap.put(conf.dimension, ent.getKey());
+			}
+			else
+			{
+				WorldServer world = getWorldByID(conf.dimension);
+				if(world != null)
+					applyConfig(world, conf);
+			}
+			if(conf.settings.useIsolatedPlayerData)
+				isolatedDataDimsSet.add(conf.dimension);
+			dimToConfigMap.put(conf.dimension, conf);
+		}
+		
+		isolatedDataDims = TCollections.unmodifiableSet(isolatedDataDimsSet);
+	}
+	
 	@SideOnly(Side.CLIENT)
 	public void handleClientWorldsInit()
 	{
@@ -305,11 +333,7 @@
 		if (!server.isSinglePlayer())
 			world.getWorldInfo().setGameType(server.getGameType());
 		
-		world.difficultySetting = BasicTypeParser.parseDifficulty(ConfigurationHandler.getWorldsConfig().global.settings.difficulty);
-		world.setAllowedSpawnTypes(conf.mobSpawn.spawnMonsters, conf.mobSpawn.spawnAnimals);
-		world.getGameRules().setOrCreateGameRule("doDaylightCycle", Boolean.toString(conf.settings.time != WorldTime.FIXED));
-		world.getGameRules().setOrCreateGameRule("doMobSpawning", Boolean.toString(conf.mobSpawn.spawnEngine != MobSpawnEngine.NONE));
-		world.setConfig(conf);
+		applyConfig(world, conf);
 
 		MinecraftForge.EVENT_BUS.post(new WorldEvent.Load(world));
 		
@@ -322,6 +346,16 @@
 	}
 	
 	@SideOnly(Side.SERVER)
+	private void applyConfig(WorldServer world, WorldConfig conf)
+	{
+		world.difficultySetting = BasicTypeParser.parseDifficulty(conf.settings.difficulty);
+		world.setAllowedSpawnTypes(conf.mobSpawn.spawnMonsters, conf.mobSpawn.spawnAnimals);
+		world.getGameRules().setOrCreateGameRule("doDaylightCycle", Boolean.toString(conf.settings.time != WorldTime.FIXED));
+		world.getGameRules().setOrCreateGameRule("doMobSpawning", Boolean.toString(conf.mobSpawn.spawnEngine != MobSpawnEngine.NONE));
+		world.setConfig(conf);
+	}
+	
+	@SideOnly(Side.SERVER)
 	public int allocTempDim()
 	{
 		return DimensionManager.getNextFreeDimId();