diff --git a/.gitignore b/.gitignore
index 5b6d4431..a633534b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -39,6 +39,8 @@ Thumbs.db
 .directory
 src/framework/graphics/dx/
 modules/.project/modules.sublime-workspace
+vc14/.vs/
+*.dll
 
 #################
 ## Visual Studio
diff --git a/src/framework/net/connection.h b/src/framework/net/connection.h
index b9e56181..93a701ee 100644
--- a/src/framework/net/connection.h
+++ b/src/framework/net/connection.h
@@ -33,9 +33,10 @@ class Connection : public LuaObject
     typedef std::function<void(const boost::system::error_code&)> ErrorCallback;
     typedef std::function<void(uint8*, uint16)> RecvCallback;
 
+    static constexpr int32_t READ_TIMEOUT = 30;
+    static constexpr int32_t WRITE_TIMEOUT = 30;
+
     enum {
-        READ_TIMEOUT = 30,
-        WRITE_TIMEOUT = 30,
         SEND_BUFFER_SIZE = 65536,
         RECV_BUFFER_SIZE = 65536
     };
diff --git a/src/framework/sound/declarations.h b/src/framework/sound/declarations.h
index 445643ba..ea99c3c2 100644
--- a/src/framework/sound/declarations.h
+++ b/src/framework/sound/declarations.h
@@ -27,8 +27,8 @@
 
 #define AL_LIBTYPE_STATIC
 
-#include <al.h>
-#include <alc.h>
+#include <AL/al.h>
+#include <AL/alc.h>
 
 class SoundManager;
 class SoundSource;
diff --git a/vc14/otclient.vcxproj b/vc14/otclient.vcxproj
index 037f5073..37297092 100644
--- a/vc14/otclient.vcxproj
+++ b/vc14/otclient.vcxproj
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
       <Configuration>Debug</Configuration>
@@ -22,27 +22,28 @@
     <Keyword>Win32Proj</Keyword>
     <ProjectGuid>{17A8F78F-1FFB-4128-A3B3-59CC6C19D89A}</ProjectGuid>
     <RootNamespace>otclient</RootNamespace>
+    <WindowsTargetPlatformVersion>10.0.17134.0</WindowsTargetPlatformVersion>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
-    <PlatformToolset>v140</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>true</UseDebugLibraries>
-    <PlatformToolset>v140</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
-    <PlatformToolset>v140</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
     <ConfigurationType>Application</ConfigurationType>
     <UseDebugLibraries>false</UseDebugLibraries>
-    <PlatformToolset>v140</PlatformToolset>
+    <PlatformToolset>v141</PlatformToolset>
   </PropertyGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
   <ImportGroup Label="ExtensionSettings">
@@ -74,8 +75,11 @@
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
     <IncludePath>$(VC_IncludePath);$(WindowsSDK_IncludePath);../src;</IncludePath>
+    <SourcePath>$(VC_SourcePath);$(ProjectDir)../src;</SourcePath>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <IncludePath>$(VC_IncludePath);$(WindowsSDK_IncludePath);../src;</IncludePath>
   </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
     <IncludePath>$(VC_IncludePath);$(WindowsSDK_IncludePath);../src;</IncludePath>
   </PropertyGroup>
@@ -87,6 +91,7 @@
       <PreprocessorDefinitions>$(PREPROCESSOR_DEFS);_SCL_SECURE_NO_WARNINGS;ZLIB_WINAPI;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
       <Optimization>Disabled</Optimization>
+      <EnableEnhancedInstructionSet>AdvancedVectorExtensions</EnableEnhancedInstructionSet>
     </ClCompile>
     <Link>
       <TargetMachine>MachineX86</TargetMachine>
@@ -97,6 +102,7 @@
     <ClCompile>
       <PreprocessorDefinitions>$(PREPROCESSOR_DEFS);_SCL_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
+      <EnableEnhancedInstructionSet>AdvancedVectorExtensions</EnableEnhancedInstructionSet>
     </ClCompile>
     <Link>
       <GenerateDebugInformation>true</GenerateDebugInformation>
@@ -106,6 +112,10 @@
     <ClCompile>
       <PreprocessorDefinitions>$(PREPROCESSOR_DEFS);%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+      <EnableEnhancedInstructionSet>AdvancedVectorExtensions</EnableEnhancedInstructionSet>
+      <Optimization>MaxSpeed</Optimization>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <EnableFiberSafeOptimizations>true</EnableFiberSafeOptimizations>
     </ClCompile>
     <Link>
       <TargetMachine>MachineX86</TargetMachine>
@@ -120,6 +130,10 @@
       <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
       <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
       <WarningLevel>Level4</WarningLevel>
+      <EnableEnhancedInstructionSet>AdvancedVectorExtensions</EnableEnhancedInstructionSet>
+      <Optimization>MaxSpeed</Optimization>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <EnableFiberSafeOptimizations>true</EnableFiberSafeOptimizations>
     </ClCompile>
     <Link>
       <GenerateDebugInformation>true</GenerateDebugInformation>