diff --git a/OpenGrid.Framework.Data.DB4o/OpenGrid.Framework.Data.DB4o.csproj b/OpenGrid.Framework.Data.DB4o/OpenGrid.Framework.Data.DB4o.csproj
index c20b8ecde9..45a2d44c45 100644
--- a/OpenGrid.Framework.Data.DB4o/OpenGrid.Framework.Data.DB4o.csproj
+++ b/OpenGrid.Framework.Data.DB4o/OpenGrid.Framework.Data.DB4o.csproj
@@ -1,62 +1,108 @@
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diff --git a/OpenSim.sln b/OpenSim.sln
index 25ce7e0c84..05eaf80710 100644
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 EndProject
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+EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "OpenSim.Scripting.EmbeddedJVM", "OpenSim.Scripting\EmbeddedJVM\OpenSim.Scripting.EmbeddedJVM.csproj", "{97A82740-0000-0000-0000-000000000000}"
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "OpenUser.Config.UserConfigDb4o", "OpenUser.Config\UserConfigDb4o\OpenUser.Config.UserConfigDb4o.csproj", "{7E494328-0000-0000-0000-000000000000}"
@@ -51,113 +53,173 @@ EndProject
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+  EndGlobalSection
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+    {8E81D43C-0000-0000-0000-000000000000}.Release|Any CPU.Build.0 = Release|Any CPU
+  EndGlobalSection
+  GlobalSection(SolutionProperties) = preSolution
+    HideSolutionNode = FALSE
+  EndGlobalSection
 EndGlobal
diff --git a/prebuild.xml b/prebuild.xml
index 7d1ca5909b..45cfc3a70e 100644
--- a/prebuild.xml
+++ b/prebuild.xml
@@ -296,6 +296,30 @@
       </Files>
     </Project>
 
+    <Project name="OpenGrid.Framework.Data.DB4o" path="OpenGrid.Framework.Data.DB4o" type="Library">
+      <Configuration name="Debug">
+        <Options>
+          <OutputPath>../bin/</OutputPath>
+        </Options>
+      </Configuration>
+      <Configuration name="Release">
+        <Options>
+          <OutputPath>../bin/</OutputPath>
+        </Options>
+      </Configuration>
+
+      <ReferencePath>../bin/</ReferencePath>
+      <Reference name="System" localCopy="false"/>
+      <Reference name="System.Xml"/>
+      <Reference name="System.Data"/>
+      <Reference name="OpenGrid.Framework.Data"/>
+      <Reference name="libsecondlife.dll"/>
+      <Reference name="Db4objects.Db4o.dll"/>
+      <Files>
+        <Match pattern="*.cs" recurse="true"/>
+      </Files>
+    </Project>
+
     <!-- OGS projects -->    
     
     <Project name="OpenGridServices.GridServer" path="OpenGridServices.GridServer" type="Exe">