diff --git a/code/ryzom/server/src/ai_share/ai_actions_dr.cpp b/code/ryzom/server/src/ai_share/ai_actions_dr.cpp
index 342c2d755..1855f8437 100644
--- a/code/ryzom/server/src/ai_share/ai_actions_dr.cpp
+++ b/code/ryzom/server/src/ai_share/ai_actions_dr.cpp
@@ -3,6 +3,8 @@
 // includes
 //-----------------------------------------------------------------------------
 
+#include "stdpch.h"
+
 //std
 #include <string>
 
diff --git a/code/ryzom/server/src/ai_share/ai_share.vcproj b/code/ryzom/server/src/ai_share/ai_share.vcproj
index c99752b05..7d5c697e5 100644
--- a/code/ryzom/server/src/ai_share/ai_share.vcproj
+++ b/code/ryzom/server/src/ai_share/ai_share.vcproj
@@ -53,7 +53,76 @@
 				BasicRuntimeChecks="3"
 				SmallerTypeCheck="true"
 				RuntimeLibrary="3"
-				UsePrecompiledHeader="0"
+				UsePrecompiledHeader="2"
+				PrecompiledHeaderThrough="stdpch.h"
+				WarningLevel="3"
+				DebugInformationFormat="3"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLibrarianTool"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+		<Configuration
+			Name="Debug|x64"
+			OutputDirectory="$(SolutionDir)$(PlatformName)\$(ConfigurationName)"
+			IntermediateDirectory="$(PlatformName)\$(ConfigurationName)"
+			ConfigurationType="4"
+			CharacterSet="1"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+				TargetEnvironment="3"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				Optimization="4"
+				InlineFunctionExpansion="1"
+				AdditionalIncludeDirectories="../../../common/src"
+				PreprocessorDefinitions="WIN32;_DEBUG;_LIB"
+				StringPooling="true"
+				MinimalRebuild="true"
+				ExceptionHandling="2"
+				BasicRuntimeChecks="3"
+				SmallerTypeCheck="true"
+				RuntimeLibrary="3"
+				UsePrecompiledHeader="2"
+				PrecompiledHeaderThrough="stdpch.h"
 				WarningLevel="3"
 				DebugInformationFormat="3"
 			/>
@@ -123,74 +192,8 @@
 				ExceptionHandling="2"
 				RuntimeLibrary="2"
 				EnableFunctionLevelLinking="true"
-				UsePrecompiledHeader="0"
-				WarningLevel="3"
-				DebugInformationFormat="3"
-			/>
-			<Tool
-				Name="VCManagedResourceCompilerTool"
-			/>
-			<Tool
-				Name="VCResourceCompilerTool"
-			/>
-			<Tool
-				Name="VCPreLinkEventTool"
-			/>
-			<Tool
-				Name="VCLibrarianTool"
-			/>
-			<Tool
-				Name="VCALinkTool"
-			/>
-			<Tool
-				Name="VCXDCMakeTool"
-			/>
-			<Tool
-				Name="VCBscMakeTool"
-			/>
-			<Tool
-				Name="VCFxCopTool"
-			/>
-			<Tool
-				Name="VCPostBuildEventTool"
-			/>
-		</Configuration>
-		<Configuration
-			Name="Debug|x64"
-			OutputDirectory="$(SolutionDir)$(PlatformName)\$(ConfigurationName)"
-			IntermediateDirectory="$(PlatformName)\$(ConfigurationName)"
-			ConfigurationType="4"
-			CharacterSet="1"
-			>
-			<Tool
-				Name="VCPreBuildEventTool"
-			/>
-			<Tool
-				Name="VCCustomBuildTool"
-			/>
-			<Tool
-				Name="VCXMLDataGeneratorTool"
-			/>
-			<Tool
-				Name="VCWebServiceProxyGeneratorTool"
-			/>
-			<Tool
-				Name="VCMIDLTool"
-				TargetEnvironment="3"
-			/>
-			<Tool
-				Name="VCCLCompilerTool"
-				Optimization="4"
-				InlineFunctionExpansion="1"
-				AdditionalIncludeDirectories="../../../common/src"
-				PreprocessorDefinitions="WIN32;_DEBUG;_LIB"
-				StringPooling="true"
-				MinimalRebuild="true"
-				ExceptionHandling="2"
-				BasicRuntimeChecks="3"
-				SmallerTypeCheck="true"
-				RuntimeLibrary="3"
-				UsePrecompiledHeader="0"
+				UsePrecompiledHeader="2"
+				PrecompiledHeaderThrough="stdpch.h"
 				WarningLevel="3"
 				DebugInformationFormat="3"
 			/>
@@ -261,7 +264,8 @@
 				ExceptionHandling="2"
 				RuntimeLibrary="2"
 				EnableFunctionLevelLinking="true"
-				UsePrecompiledHeader="0"
+				UsePrecompiledHeader="2"
+				PrecompiledHeaderThrough="stdpch.h"
 				WarningLevel="3"
 				DebugInformationFormat="3"
 			/>
@@ -428,6 +432,38 @@
 		<File
 			RelativePath=".\stdpch.cpp"
 			>
+			<FileConfiguration
+				Name="Debug|Win32"
+				>
+				<Tool
+					Name="VCCLCompilerTool"
+					UsePrecompiledHeader="1"
+				/>
+			</FileConfiguration>
+			<FileConfiguration
+				Name="Debug|x64"
+				>
+				<Tool
+					Name="VCCLCompilerTool"
+					UsePrecompiledHeader="1"
+				/>
+			</FileConfiguration>
+			<FileConfiguration
+				Name="Release|Win32"
+				>
+				<Tool
+					Name="VCCLCompilerTool"
+					UsePrecompiledHeader="1"
+				/>
+			</FileConfiguration>
+			<FileConfiguration
+				Name="Release|x64"
+				>
+				<Tool
+					Name="VCCLCompilerTool"
+					UsePrecompiledHeader="1"
+				/>
+			</FileConfiguration>
 		</File>
 		<File
 			RelativePath=".\stdpch.h"