diff --git a/OpenSim/Data/MySQL/MySQLSimulationData.cs b/OpenSim/Data/MySQL/MySQLSimulationData.cs
index 2a727d1a7a..93ab4b3c1f 100644
--- a/OpenSim/Data/MySQL/MySQLSimulationData.cs
+++ b/OpenSim/Data/MySQL/MySQLSimulationData.cs
@@ -719,95 +719,99 @@ namespace OpenSim.Data.MySQL
             RegionLightShareData nWP = new RegionLightShareData();
             nWP.OnSave += StoreRegionWindlightSettings;
 
-            using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
+            lock (m_dbLock)
             {
-                dbcon.Open();
-
-                string command = "select * from `regionwindlight` where region_id = ?regionID";
-
-                using (MySqlCommand cmd = new MySqlCommand(command))
+                using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
                 {
-                    cmd.Connection = dbcon;
-
-                    cmd.Parameters.AddWithValue("?regionID", regionUUID.ToString());
-
-                    IDataReader result = ExecuteReader(cmd);
-                    if (!result.Read())
+                    dbcon.Open();
+    
+                    string command = "select * from `regionwindlight` where region_id = ?regionID";
+    
+                    using (MySqlCommand cmd = new MySqlCommand(command))
                     {
-                        //No result, so store our default windlight profile and return it
-                        nWP.regionID = regionUUID;
-                        StoreRegionWindlightSettings(nWP);
-                        return nWP;
-                    }
-                    else
-                    {
-                        nWP.regionID = DBGuid.FromDB(result["region_id"]);
-                        nWP.waterColor.X = Convert.ToSingle(result["water_color_r"]);
-                        nWP.waterColor.Y = Convert.ToSingle(result["water_color_g"]);
-                        nWP.waterColor.Z = Convert.ToSingle(result["water_color_b"]);
-                        nWP.waterFogDensityExponent = Convert.ToSingle(result["water_fog_density_exponent"]);
-                        nWP.underwaterFogModifier = Convert.ToSingle(result["underwater_fog_modifier"]);
-                        nWP.reflectionWaveletScale.X = Convert.ToSingle(result["reflection_wavelet_scale_1"]);
-                        nWP.reflectionWaveletScale.Y = Convert.ToSingle(result["reflection_wavelet_scale_2"]);
-                        nWP.reflectionWaveletScale.Z = Convert.ToSingle(result["reflection_wavelet_scale_3"]);
-                        nWP.fresnelScale = Convert.ToSingle(result["fresnel_scale"]);
-                        nWP.fresnelOffset = Convert.ToSingle(result["fresnel_offset"]);
-                        nWP.refractScaleAbove = Convert.ToSingle(result["refract_scale_above"]);
-                        nWP.refractScaleBelow = Convert.ToSingle(result["refract_scale_below"]);
-                        nWP.blurMultiplier = Convert.ToSingle(result["blur_multiplier"]);
-                        nWP.bigWaveDirection.X = Convert.ToSingle(result["big_wave_direction_x"]);
-                        nWP.bigWaveDirection.Y = Convert.ToSingle(result["big_wave_direction_y"]);
-                        nWP.littleWaveDirection.X = Convert.ToSingle(result["little_wave_direction_x"]);
-                        nWP.littleWaveDirection.Y = Convert.ToSingle(result["little_wave_direction_y"]);
-                        UUID.TryParse(result["normal_map_texture"].ToString(), out nWP.normalMapTexture);
-                        nWP.horizon.X = Convert.ToSingle(result["horizon_r"]);
-                        nWP.horizon.Y = Convert.ToSingle(result["horizon_g"]);
-                        nWP.horizon.Z = Convert.ToSingle(result["horizon_b"]);
-                        nWP.horizon.W = Convert.ToSingle(result["horizon_i"]);
-                        nWP.hazeHorizon = Convert.ToSingle(result["haze_horizon"]);
-                        nWP.blueDensity.X = Convert.ToSingle(result["blue_density_r"]);
-                        nWP.blueDensity.Y = Convert.ToSingle(result["blue_density_g"]);
-                        nWP.blueDensity.Z = Convert.ToSingle(result["blue_density_b"]);
-                        nWP.blueDensity.W = Convert.ToSingle(result["blue_density_i"]);
-                        nWP.hazeDensity = Convert.ToSingle(result["haze_density"]);
-                        nWP.densityMultiplier = Convert.ToSingle(result["density_multiplier"]);
-                        nWP.distanceMultiplier = Convert.ToSingle(result["distance_multiplier"]);
-                        nWP.maxAltitude = Convert.ToUInt16(result["max_altitude"]);
-                        nWP.sunMoonColor.X = Convert.ToSingle(result["sun_moon_color_r"]);
-                        nWP.sunMoonColor.Y = Convert.ToSingle(result["sun_moon_color_g"]);
-                        nWP.sunMoonColor.Z = Convert.ToSingle(result["sun_moon_color_b"]);
-                        nWP.sunMoonColor.W = Convert.ToSingle(result["sun_moon_color_i"]);
-                        nWP.sunMoonPosition = Convert.ToSingle(result["sun_moon_position"]);
-                        nWP.ambient.X = Convert.ToSingle(result["ambient_r"]);
-                        nWP.ambient.Y = Convert.ToSingle(result["ambient_g"]);
-                        nWP.ambient.Z = Convert.ToSingle(result["ambient_b"]);
-                        nWP.ambient.W = Convert.ToSingle(result["ambient_i"]);
-                        nWP.eastAngle = Convert.ToSingle(result["east_angle"]);
-                        nWP.sunGlowFocus = Convert.ToSingle(result["sun_glow_focus"]);
-                        nWP.sunGlowSize = Convert.ToSingle(result["sun_glow_size"]);
-                        nWP.sceneGamma = Convert.ToSingle(result["scene_gamma"]);
-                        nWP.starBrightness = Convert.ToSingle(result["star_brightness"]);
-                        nWP.cloudColor.X = Convert.ToSingle(result["cloud_color_r"]);
-                        nWP.cloudColor.Y = Convert.ToSingle(result["cloud_color_g"]);
-                        nWP.cloudColor.Z = Convert.ToSingle(result["cloud_color_b"]);
-                        nWP.cloudColor.W = Convert.ToSingle(result["cloud_color_i"]);
-                        nWP.cloudXYDensity.X = Convert.ToSingle(result["cloud_x"]);
-                        nWP.cloudXYDensity.Y = Convert.ToSingle(result["cloud_y"]);
-                        nWP.cloudXYDensity.Z = Convert.ToSingle(result["cloud_density"]);
-                        nWP.cloudCoverage = Convert.ToSingle(result["cloud_coverage"]);
-                        nWP.cloudScale = Convert.ToSingle(result["cloud_scale"]);
-                        nWP.cloudDetailXYDensity.X = Convert.ToSingle(result["cloud_detail_x"]);
-                        nWP.cloudDetailXYDensity.Y = Convert.ToSingle(result["cloud_detail_y"]);
-                        nWP.cloudDetailXYDensity.Z = Convert.ToSingle(result["cloud_detail_density"]);
-                        nWP.cloudScrollX = Convert.ToSingle(result["cloud_scroll_x"]);
-                        nWP.cloudScrollXLock = Convert.ToBoolean(result["cloud_scroll_x_lock"]);
-                        nWP.cloudScrollY = Convert.ToSingle(result["cloud_scroll_y"]);
-                        nWP.cloudScrollYLock = Convert.ToBoolean(result["cloud_scroll_y_lock"]);
-                        nWP.drawClassicClouds = Convert.ToBoolean(result["draw_classic_clouds"]);
-                        nWP.valid = true;
+                        cmd.Connection = dbcon;
+    
+                        cmd.Parameters.AddWithValue("?regionID", regionUUID.ToString());
+    
+                        IDataReader result = ExecuteReader(cmd);
+                        if (!result.Read())
+                        {
+                            //No result, so store our default windlight profile and return it
+                            nWP.regionID = regionUUID;
+                            StoreRegionWindlightSettings(nWP);
+                            return nWP;
+                        }
+                        else
+                        {
+                            nWP.regionID = DBGuid.FromDB(result["region_id"]);
+                            nWP.waterColor.X = Convert.ToSingle(result["water_color_r"]);
+                            nWP.waterColor.Y = Convert.ToSingle(result["water_color_g"]);
+                            nWP.waterColor.Z = Convert.ToSingle(result["water_color_b"]);
+                            nWP.waterFogDensityExponent = Convert.ToSingle(result["water_fog_density_exponent"]);
+                            nWP.underwaterFogModifier = Convert.ToSingle(result["underwater_fog_modifier"]);
+                            nWP.reflectionWaveletScale.X = Convert.ToSingle(result["reflection_wavelet_scale_1"]);
+                            nWP.reflectionWaveletScale.Y = Convert.ToSingle(result["reflection_wavelet_scale_2"]);
+                            nWP.reflectionWaveletScale.Z = Convert.ToSingle(result["reflection_wavelet_scale_3"]);
+                            nWP.fresnelScale = Convert.ToSingle(result["fresnel_scale"]);
+                            nWP.fresnelOffset = Convert.ToSingle(result["fresnel_offset"]);
+                            nWP.refractScaleAbove = Convert.ToSingle(result["refract_scale_above"]);
+                            nWP.refractScaleBelow = Convert.ToSingle(result["refract_scale_below"]);
+                            nWP.blurMultiplier = Convert.ToSingle(result["blur_multiplier"]);
+                            nWP.bigWaveDirection.X = Convert.ToSingle(result["big_wave_direction_x"]);
+                            nWP.bigWaveDirection.Y = Convert.ToSingle(result["big_wave_direction_y"]);
+                            nWP.littleWaveDirection.X = Convert.ToSingle(result["little_wave_direction_x"]);
+                            nWP.littleWaveDirection.Y = Convert.ToSingle(result["little_wave_direction_y"]);
+                            UUID.TryParse(result["normal_map_texture"].ToString(), out nWP.normalMapTexture);
+                            nWP.horizon.X = Convert.ToSingle(result["horizon_r"]);
+                            nWP.horizon.Y = Convert.ToSingle(result["horizon_g"]);
+                            nWP.horizon.Z = Convert.ToSingle(result["horizon_b"]);
+                            nWP.horizon.W = Convert.ToSingle(result["horizon_i"]);
+                            nWP.hazeHorizon = Convert.ToSingle(result["haze_horizon"]);
+                            nWP.blueDensity.X = Convert.ToSingle(result["blue_density_r"]);
+                            nWP.blueDensity.Y = Convert.ToSingle(result["blue_density_g"]);
+                            nWP.blueDensity.Z = Convert.ToSingle(result["blue_density_b"]);
+                            nWP.blueDensity.W = Convert.ToSingle(result["blue_density_i"]);
+                            nWP.hazeDensity = Convert.ToSingle(result["haze_density"]);
+                            nWP.densityMultiplier = Convert.ToSingle(result["density_multiplier"]);
+                            nWP.distanceMultiplier = Convert.ToSingle(result["distance_multiplier"]);
+                            nWP.maxAltitude = Convert.ToUInt16(result["max_altitude"]);
+                            nWP.sunMoonColor.X = Convert.ToSingle(result["sun_moon_color_r"]);
+                            nWP.sunMoonColor.Y = Convert.ToSingle(result["sun_moon_color_g"]);
+                            nWP.sunMoonColor.Z = Convert.ToSingle(result["sun_moon_color_b"]);
+                            nWP.sunMoonColor.W = Convert.ToSingle(result["sun_moon_color_i"]);
+                            nWP.sunMoonPosition = Convert.ToSingle(result["sun_moon_position"]);
+                            nWP.ambient.X = Convert.ToSingle(result["ambient_r"]);
+                            nWP.ambient.Y = Convert.ToSingle(result["ambient_g"]);
+                            nWP.ambient.Z = Convert.ToSingle(result["ambient_b"]);
+                            nWP.ambient.W = Convert.ToSingle(result["ambient_i"]);
+                            nWP.eastAngle = Convert.ToSingle(result["east_angle"]);
+                            nWP.sunGlowFocus = Convert.ToSingle(result["sun_glow_focus"]);
+                            nWP.sunGlowSize = Convert.ToSingle(result["sun_glow_size"]);
+                            nWP.sceneGamma = Convert.ToSingle(result["scene_gamma"]);
+                            nWP.starBrightness = Convert.ToSingle(result["star_brightness"]);
+                            nWP.cloudColor.X = Convert.ToSingle(result["cloud_color_r"]);
+                            nWP.cloudColor.Y = Convert.ToSingle(result["cloud_color_g"]);
+                            nWP.cloudColor.Z = Convert.ToSingle(result["cloud_color_b"]);
+                            nWP.cloudColor.W = Convert.ToSingle(result["cloud_color_i"]);
+                            nWP.cloudXYDensity.X = Convert.ToSingle(result["cloud_x"]);
+                            nWP.cloudXYDensity.Y = Convert.ToSingle(result["cloud_y"]);
+                            nWP.cloudXYDensity.Z = Convert.ToSingle(result["cloud_density"]);
+                            nWP.cloudCoverage = Convert.ToSingle(result["cloud_coverage"]);
+                            nWP.cloudScale = Convert.ToSingle(result["cloud_scale"]);
+                            nWP.cloudDetailXYDensity.X = Convert.ToSingle(result["cloud_detail_x"]);
+                            nWP.cloudDetailXYDensity.Y = Convert.ToSingle(result["cloud_detail_y"]);
+                            nWP.cloudDetailXYDensity.Z = Convert.ToSingle(result["cloud_detail_density"]);
+                            nWP.cloudScrollX = Convert.ToSingle(result["cloud_scroll_x"]);
+                            nWP.cloudScrollXLock = Convert.ToBoolean(result["cloud_scroll_x_lock"]);
+                            nWP.cloudScrollY = Convert.ToSingle(result["cloud_scroll_y"]);
+                            nWP.cloudScrollYLock = Convert.ToBoolean(result["cloud_scroll_y_lock"]);
+                            nWP.drawClassicClouds = Convert.ToBoolean(result["draw_classic_clouds"]);
+                            nWP.valid = true;
+                        }
                     }
                 }
             }
+
             return nWP;
         }
 
@@ -978,26 +982,29 @@ namespace OpenSim.Data.MySQL
         #region RegionEnvironmentSettings
         public string LoadRegionEnvironmentSettings(UUID regionUUID)
         {
-            using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
+            lock (m_dbLock)
             {
-                dbcon.Open();
-
-                string command = "select * from `regionenvironment` where region_id = ?region_id";
-
-                using (MySqlCommand cmd = new MySqlCommand(command))
+                using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
                 {
-                    cmd.Connection = dbcon;
-
-                    cmd.Parameters.AddWithValue("?region_id", regionUUID.ToString());
-
-                    IDataReader result = ExecuteReader(cmd);
-                    if (!result.Read())
+                    dbcon.Open();
+    
+                    string command = "select * from `regionenvironment` where region_id = ?region_id";
+    
+                    using (MySqlCommand cmd = new MySqlCommand(command))
                     {
-                        return String.Empty;
-                    }
-                    else
-                    {
-                        return Convert.ToString(result["llsd_settings"]);
+                        cmd.Connection = dbcon;
+    
+                        cmd.Parameters.AddWithValue("?region_id", regionUUID.ToString());
+    
+                        IDataReader result = ExecuteReader(cmd);
+                        if (!result.Read())
+                        {
+                            return String.Empty;
+                        }
+                        else
+                        {
+                            return Convert.ToString(result["llsd_settings"]);
+                        }
                     }
                 }
             }
@@ -1005,33 +1012,39 @@ namespace OpenSim.Data.MySQL
 
         public void StoreRegionEnvironmentSettings(UUID regionUUID, string settings)
         {
-            using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
+            lock (m_dbLock)
             {
-                dbcon.Open();
-
-                using (MySqlCommand cmd = dbcon.CreateCommand())
+                using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
                 {
-                    cmd.CommandText = "REPLACE INTO `regionenvironment` (`region_id`, `llsd_settings`) VALUES (?region_id, ?llsd_settings)";
-
-                    cmd.Parameters.AddWithValue("region_id", regionUUID);
-                    cmd.Parameters.AddWithValue("llsd_settings", settings);
-
-                    ExecuteNonQuery(cmd);
+                    dbcon.Open();
+    
+                    using (MySqlCommand cmd = dbcon.CreateCommand())
+                    {
+                        cmd.CommandText = "REPLACE INTO `regionenvironment` (`region_id`, `llsd_settings`) VALUES (?region_id, ?llsd_settings)";
+    
+                        cmd.Parameters.AddWithValue("region_id", regionUUID);
+                        cmd.Parameters.AddWithValue("llsd_settings", settings);
+    
+                        ExecuteNonQuery(cmd);
+                    }
                 }
             }
         }
 
         public void RemoveRegionEnvironmentSettings(UUID regionUUID)
         {
-            using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
+            lock (m_dbLock)
             {
-                dbcon.Open();
-
-                using (MySqlCommand cmd = dbcon.CreateCommand())
+                using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
                 {
-                    cmd.CommandText = "delete from `regionenvironment` where region_id = ?region_id";
-                    cmd.Parameters.AddWithValue("?region_id", regionUUID.ToString());
-                    ExecuteNonQuery(cmd);
+                    dbcon.Open();
+    
+                    using (MySqlCommand cmd = dbcon.CreateCommand())
+                    {
+                        cmd.CommandText = "delete from `regionenvironment` where region_id = ?region_id";
+                        cmd.Parameters.AddWithValue("?region_id", regionUUID.ToString());
+                        ExecuteNonQuery(cmd);
+                    }
                 }
             }
         }