diff --git a/OpenSim/Framework/LandData.cs b/OpenSim/Framework/LandData.cs
index accf52ec44..a9a493d876 100644
--- a/OpenSim/Framework/LandData.cs
+++ b/OpenSim/Framework/LandData.cs
@@ -697,6 +697,8 @@ namespace OpenSim.Framework
             landData._mediaLoop = _mediaLoop;
             landData._obscureMusic = _obscureMusic;
             landData._obscureMedia = _obscureMedia;
+            landData._simwideArea = _simwideArea;
+            landData._simwidePrims = _simwidePrims;
 
             landData._parcelAccessList.Clear();
             foreach (ParcelManager.ParcelAccessEntry entry in _parcelAccessList)
diff --git a/OpenSim/Region/ClientStack/LindenUDP/LLClientView.cs b/OpenSim/Region/ClientStack/LindenUDP/LLClientView.cs
index 5dab1bc35e..2c6795fc3e 100644
--- a/OpenSim/Region/ClientStack/LindenUDP/LLClientView.cs
+++ b/OpenSim/Region/ClientStack/LindenUDP/LLClientView.cs
@@ -4333,7 +4333,8 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             updateMessage.SequenceID = sequence_id;
             if (landData.SimwideArea > 0)
             {
-                updateMessage.SimWideMaxPrims = parcelObjectCapacity;
+                int simulatorCapacity = (int)(((float)landData.SimwideArea / 65536.0f) * (float)m_scene.RegionInfo.ObjectCapacity * (float)m_scene.RegionInfo.RegionSettings.ObjectBonus);
+                updateMessage.SimWideMaxPrims = simulatorCapacity;
             }
             else
             {
diff --git a/OpenSim/Region/CoreModules/World/Land/LandManagementModule.cs b/OpenSim/Region/CoreModules/World/Land/LandManagementModule.cs
index a46be13557..893e35c14f 100644
--- a/OpenSim/Region/CoreModules/World/Land/LandManagementModule.cs
+++ b/OpenSim/Region/CoreModules/World/Land/LandManagementModule.cs
@@ -709,7 +709,7 @@ namespace OpenSim.Region.CoreModules.World.Land
             int x;
             int y;
 
-            if (x_float > Constants.RegionSize || x_float <= 0 || y_float > Constants.RegionSize || y_float <= 0)
+            if (x_float >= Constants.RegionSize || x_float < 0 || y_float >= Constants.RegionSize || y_float < 0)
                 return null;
 
             try
@@ -751,10 +751,10 @@ namespace OpenSim.Region.CoreModules.World.Land
             {
                 try
                 {
-                    if (m_landList.ContainsKey(m_landIDList[x / 4, y / 4]))
+                    //if (m_landList.ContainsKey(m_landIDList[x / 4, y / 4]))
                         return m_landList[m_landIDList[x / 4, y / 4]];
-                    else
-                        return null;
+                    //else
+                    //    return null;
                 }
                 catch (IndexOutOfRangeException)
                 {
diff --git a/OpenSim/Region/CoreModules/World/Land/LandObject.cs b/OpenSim/Region/CoreModules/World/Land/LandObject.cs
index b90e3078e2..46c15ed2c3 100644
--- a/OpenSim/Region/CoreModules/World/Land/LandObject.cs
+++ b/OpenSim/Region/CoreModules/World/Land/LandObject.cs
@@ -66,6 +66,13 @@ namespace OpenSim.Region.CoreModules.World.Land
 
         #region ILandObject Members
 
+        public int GetPrimsFree()
+        {
+            m_scene.EventManager.TriggerParcelPrimCountUpdate();
+            int free = GetSimulatorMaxPrimCount(this) - m_landData.SimwidePrims;
+            return free;
+        }
+
         public LandData LandData
         {
             get { return m_landData; }
@@ -141,7 +148,7 @@ namespace OpenSim.Region.CoreModules.World.Land
         /// <returns>Returns true if the piece of land contains the specified point</returns>
         public bool ContainsPoint(int x, int y)
         {
-            if (x >= 0 && y >= 0 && x <= Constants.RegionSize && y <= Constants.RegionSize)
+            if (x >= 0 && y >= 0 && x < Constants.RegionSize && y < Constants.RegionSize)
             {
                 return (LandBitmap[x / 4, y / 4] == true);
             }
@@ -183,7 +190,11 @@ namespace OpenSim.Region.CoreModules.World.Land
             else
             {
                 // Normal Calculations
-                return (int)Math.Round(((float)LandData.Area / 65536.0f) * (float)m_scene.RegionInfo.ObjectCapacity * (float)m_scene.RegionInfo.RegionSettings.ObjectBonus);
+                int parcelMax = (int)(((float)LandData.Area / 65536.0f)
+                              * (float)m_scene.RegionInfo.ObjectCapacity
+                              * (float)m_scene.RegionInfo.RegionSettings.ObjectBonus);
+                // TODO: The calculation of ObjectBonus should be refactored. It does still not work in the same manner as SL!
+                return parcelMax;
             }
         }
         public int GetSimulatorMaxPrimCount(ILandObject thisObject)
@@ -195,7 +206,9 @@ namespace OpenSim.Region.CoreModules.World.Land
             else
             {
                 //Normal Calculations
-                return m_scene.RegionInfo.ObjectCapacity;
+                int simMax = (int)(((float)LandData.SimwideArea / 65536.0f)
+                           * (float)m_scene.RegionInfo.ObjectCapacity);
+                return simMax;
             }
         }
         #endregion
@@ -369,7 +382,7 @@ namespace OpenSim.Region.CoreModules.World.Land
             newData.AuthBuyerID = UUID.Zero;
             newData.Flags &= ~(uint) (ParcelFlags.ForSale | ParcelFlags.ForSaleObjects | ParcelFlags.SellParcelObjects | ParcelFlags.ShowDirectory);
             m_scene.LandChannel.UpdateLandObject(LandData.LocalID, newData);
-
+            m_scene.EventManager.TriggerParcelPrimCountUpdate();
             SendLandUpdateToAvatarsOverMe(true);
         }
 
@@ -384,7 +397,7 @@ namespace OpenSim.Region.CoreModules.World.Land
             newData.Flags &= ~(uint) (ParcelFlags.ForSale | ParcelFlags.ForSaleObjects | ParcelFlags.SellParcelObjects | ParcelFlags.ShowDirectory);
 
             m_scene.LandChannel.UpdateLandObject(LandData.LocalID, newData);
-
+            m_scene.EventManager.TriggerParcelPrimCountUpdate();
             SendLandUpdateToAvatarsOverMe(true);
         }
 
@@ -450,6 +463,7 @@ namespace OpenSim.Region.CoreModules.World.Land
 
         public void SendLandUpdateToClient(bool snap_selection, IClientAPI remote_client)
         {
+            m_scene.EventManager.TriggerParcelPrimCountUpdate();
             SendLandProperties(0, snap_selection, 0, remote_client);
         }
 
diff --git a/OpenSim/Region/Framework/Interfaces/ILandObject.cs b/OpenSim/Region/Framework/Interfaces/ILandObject.cs
index 576b645b0e..eeb9d3ad1d 100644
--- a/OpenSim/Region/Framework/Interfaces/ILandObject.cs
+++ b/OpenSim/Region/Framework/Interfaces/ILandObject.cs
@@ -39,6 +39,7 @@ namespace OpenSim.Region.Framework.Interfaces
     {
         int GetParcelMaxPrimCount(ILandObject thisObject);
         int GetSimulatorMaxPrimCount(ILandObject thisObject);
+        int GetPrimsFree();
 
         LandData LandData { get; set; }
         bool[,] LandBitmap { get; set; }