diff --git a/OpenSim/Framework/ConfigurationMember.cs b/OpenSim/Framework/ConfigurationMember.cs
index b452794249..cb434f0844 100644
--- a/OpenSim/Framework/ConfigurationMember.cs
+++ b/OpenSim/Framework/ConfigurationMember.cs
@@ -368,6 +368,19 @@ namespace OpenSim.Framework
                             }
                             errorMessage = "a UUID (LLUUID)";
                             break;
+                        case ConfigurationOption.ConfigurationTypes.TYPE_LLUUID_NULL_FREE:
+                            LLUUID uuidResult2;
+                            if (LLUUID.TryParse(console_result, out uuidResult2))
+                            {
+                                convertSuccess = true;
+
+                                if (uuidResult2 == LLUUID.Zero)
+                                    uuidResult2 = LLUUID.Random();
+
+                                return_result = uuidResult2;
+                            }
+                            errorMessage = "a non-null UUID (LLUUID)";
+                            break;
                         case ConfigurationOption.ConfigurationTypes.TYPE_LLVECTOR3:
                             LLVector3 vectorResult;
                             if (LLVector3.TryParse(console_result, out vectorResult))
diff --git a/OpenSim/Framework/ConfigurationOption.cs b/OpenSim/Framework/ConfigurationOption.cs
index 9bb5d8fb6a..341d5e8bbd 100644
--- a/OpenSim/Framework/ConfigurationOption.cs
+++ b/OpenSim/Framework/ConfigurationOption.cs
@@ -54,6 +54,7 @@ namespace OpenSim.Framework
             TYPE_BOOLEAN,
             TYPE_BYTE,
             TYPE_LLUUID,
+            TYPE_LLUUID_NULL_FREE,
             TYPE_LLVECTOR3,
             TYPE_FLOAT,
             TYPE_DOUBLE
diff --git a/OpenSim/Framework/RegionInfo.cs b/OpenSim/Framework/RegionInfo.cs
index d9d41d67f7..9c27891bd7 100644
--- a/OpenSim/Framework/RegionInfo.cs
+++ b/OpenSim/Framework/RegionInfo.cs
@@ -345,7 +345,7 @@ namespace OpenSim.Framework
 
         public void loadConfigurationOptionsFromMe()
         {
-            configMember.addConfigurationOption("sim_UUID", ConfigurationOption.ConfigurationTypes.TYPE_LLUUID,
+            configMember.addConfigurationOption("sim_UUID", ConfigurationOption.ConfigurationTypes.TYPE_LLUUID_NULL_FREE,
                                                 "UUID of Region (Default is recommended, random UUID)",
                                                 RegionID.ToString(), true);
             configMember.addConfigurationOption("sim_name", ConfigurationOption.ConfigurationTypes.TYPE_STRING_NOT_EMPTY,