diff --git a/.gitignore b/.gitignore
index 2b549f2..6c4a424 100644
--- a/.gitignore
+++ b/.gitignore
@@ -246,4 +246,5 @@ ModelManifest.xml
 /3rd_party/CEF/depot_tools
 *.complete
 /3rd_party/dokany-1.0.2
-/dist
\ No newline at end of file
+/dist
+/3rd_party/dokany-1.0.3
diff --git a/3rd_party/enable_debug_logging.patch b/3rd_party/enable_debug_logging.patch
new file mode 100644
index 0000000..f5bd3fb
--- /dev/null
+++ b/3rd_party/enable_debug_logging.patch
@@ -0,0 +1,175 @@
+From 038b4c72b6a6b1a1f992ffd57ec9207aecd162af Mon Sep 17 00:00:00 2001
+From: "SiaExtensions" <sia.extensions@gmail.com>
+Date: Fri, 24 Mar 2017 18:44:48 -0500
+Subject: [PATCH] Enable debug logging
+
+---
+ dokan/dokan.c                 | 11 +++++++++++
+ dokan/dokan.h                 |  2 ++
+ dokan/dokanc.h                | 17 +++++++++++++++++
+ samples/dokan_mirror/mirror.c | 16 ++++++++++++++++
+ 4 files changed, 46 insertions(+)
+
+diff --git a/dokan/dokan.c b/dokan/dokan.c
+index 376c8e0..2e92feb 100644
+--- a/dokan/dokan.c
++++ b/dokan/dokan.c
+@@ -37,6 +37,9 @@ BOOL g_DebugMode = TRUE;
+ // DokanOptions->UseStdErr is ON?
+ BOOL g_UseStdErr = FALSE;
+ 
++// DokanOptions->UseDebugLogFile is ON?
++BOOL g_UseDebugLogFile = FALSE;
++
+ CRITICAL_SECTION g_InstanceCriticalSection;
+ LIST_ENTRY g_InstanceList;
+ 
+@@ -44,6 +47,8 @@ VOID DOKANAPI DokanUseStdErr(BOOL Status) { g_UseStdErr = Status; }
+ 
+ VOID DOKANAPI DokanDebugMode(BOOL Status) { g_DebugMode = Status; }
+ 
++VOID DOKANAPI DokanUseDebugLogFile(BOOL Status) { g_UseDebugLogFile = Status; }
++
+ PDOKAN_INSTANCE
+ NewDokanInstance() {
+   PDOKAN_INSTANCE instance = (PDOKAN_INSTANCE)malloc(sizeof(DOKAN_INSTANCE));
+@@ -178,6 +183,7 @@ int DOKANAPI DokanMain(PDOKAN_OPTIONS DokanOptions,
+ 
+   g_DebugMode = DokanOptions->Options & DOKAN_OPTION_DEBUG;
+   g_UseStdErr = DokanOptions->Options & DOKAN_OPTION_STDERR;
++  g_UseDebugLogFile = DokanOptions->Options & DOKAN_OPTION_DEBUG_LOG_FILE;
+ 
+   if (g_DebugMode) {
+     DbgPrintW(L"Dokan: debug mode on\n");
+@@ -188,6 +194,11 @@ int DOKANAPI DokanMain(PDOKAN_OPTIONS DokanOptions,
+     g_DebugMode = TRUE;
+   }
+ 
++  if (g_UseDebugLogFile) {
++    DbgPrintW(L"Dokan: use debug log file\n");
++    g_DebugMode = TRUE;
++  }
++
+   if (DokanOptions->Options & DOKAN_OPTION_NETWORK &&
+       !IsMountPointDriveLetter(DokanOptions->MountPoint)) {
+     DokanOptions->Options &= ~DOKAN_OPTION_NETWORK;
+diff --git a/dokan/dokan.h b/dokan/dokan.h
+index 7e9eaa8..4c58d51 100644
+--- a/dokan/dokan.h
++++ b/dokan/dokan.h
+@@ -92,6 +92,8 @@ extern "C" {
+ #define DOKAN_OPTION_CURRENT_SESSION 128
+ /** Enable Lockfile/Unlockfile operations. Otherwise Dokan will take care of it */
+ #define DOKAN_OPTION_FILELOCK_USER_MODE 256
++/** Enable debug logging to file*/
++#define DOKAN_OPTION_DEBUG_LOG_FILE 512
+ 
+ /** @} */
+ 
+diff --git a/dokan/dokanc.h b/dokan/dokanc.h
+index 7fd288f..a0865f7 100644
+--- a/dokan/dokanc.h
++++ b/dokan/dokanc.h
+@@ -52,6 +52,9 @@ extern BOOL g_DebugMode;
+ // DokanOptions->UseStdErr is ON?
+ extern BOOL g_UseStdErr;
+ 
++// DokanOptions->UseDebugLogFile is ON?
++extern BOOL g_UseDebugLogFile;
++
+ #ifdef _MSC_VER
+ 
+ static VOID DokanDbgPrint(LPCSTR format, ...) {
+@@ -73,6 +76,13 @@ static VOID DokanDbgPrint(LPCSTR format, ...) {
+     fputs(outputString, stderr);
+   else
+     OutputDebugStringA(outputString);
++  if (g_UseDebugLogFile) {
++    FILE* logFile;
++    if (fopen_s(&logFile, "DokanyDebugA.log", "a") == 0) {
++      fprintf_s(logFile, outputString);
++      fclose(logFile);
++    }
++  }
+   if (buffer)
+     _freea(buffer);
+   va_end(argp);
+@@ -99,6 +109,13 @@ static VOID DokanDbgPrintW(LPCWSTR format, ...) {
+     fputws(outputString, stderr);
+   else
+     OutputDebugStringW(outputString);
++  if (g_UseDebugLogFile) {
++    FILE* logFile;
++    if (_wfopen_s(&logFile, L"DokanyDebugW.log", L"a") == 0) {
++      fwprintf_s(logFile, outputString);
++      fclose(logFile);
++    }
++  }
+   if (buffer)
+     _freea(buffer);
+   va_end(argp);
+diff --git a/samples/dokan_mirror/mirror.c b/samples/dokan_mirror/mirror.c
+index c077186..1defa23 100644
+--- a/samples/dokan_mirror/mirror.c
++++ b/samples/dokan_mirror/mirror.c
+@@ -43,6 +43,7 @@ THE SOFTWARE.
+ BOOL g_UseStdErr;
+ BOOL g_DebugMode;
+ BOOL g_HasSeSecurityPrivilege;
++BOOL g_UseDebugLogFile;
+ 
+ static void DbgPrint(LPCWSTR format, ...) {
+   if (g_DebugMode) {
+@@ -64,6 +65,13 @@ static void DbgPrint(LPCWSTR format, ...) {
+       fputws(outputString, stderr);
+     else
+       OutputDebugStringW(outputString);
++    if (g_UseDebugLogFile) {
++      FILE* logFile;
++      if (_wfopen_s(&logFile, L"DokanyMirror.log", L"a") == 0) {
++        fwprintf_s(logFile, outputString);
++        fclose(logFile);
++      }
++    }
+     if (buffer)
+       _freea(buffer);
+     va_end(argp);
+@@ -1331,6 +1339,7 @@ void ShowUsage() {
+     "  /l MountPoint (ex. /l m)\t\t\t Mount point. Can be M:\\ (drive letter) or empty NTFS folder C:\\mount\\dokan .\n"
+     "  /t ThreadCount (ex. /t 5)\t\t\t Number of threads to be used internally by Dokan library.\n\t\t\t\t\t\t More threads will handle more event at the same time.\n"
+     "  /d (enable debug output)\t\t\t Enable debug output to an attached debugger.\n"
++    "  /b (enable debug log)\t\t\t Enable debug output to log file.\n"
+     "  /s (use stderr for output)\t\t\t Enable debug output to stderr.\n"
+     "  /n (use network drive)\t\t\t Show device as network device.\n"
+     "  /m (use removable drive)\t\t\t Show device as removable media.\n"
+@@ -1373,6 +1382,7 @@ int __cdecl wmain(ULONG argc, PWCHAR argv[]) {
+ 
+   g_DebugMode = FALSE;
+   g_UseStdErr = FALSE;
++  g_UseDebugLogFile = FALSE;
+ 
+   ZeroMemory(dokanOptions, sizeof(DOKAN_OPTIONS));
+   dokanOptions->Version = DOKAN_VERSION;
+@@ -1401,6 +1411,9 @@ int __cdecl wmain(ULONG argc, PWCHAR argv[]) {
+     case L's':
+       g_UseStdErr = TRUE;
+       break;
++    case L'b':
++      g_UseDebugLogFile = TRUE;
++      break;
+     case L'n':
+       dokanOptions->Options |= DOKAN_OPTION_NETWORK;
+       break;
+@@ -1498,6 +1511,9 @@ int __cdecl wmain(ULONG argc, PWCHAR argv[]) {
+   if (g_UseStdErr) {
+     dokanOptions->Options |= DOKAN_OPTION_STDERR;
+   }
++  if (g_UseDebugLogFile) {
++    dokanOptions->Options |= DOKAN_OPTION_DEBUG_LOG_FILE;
++  }
+ 
+   dokanOptions->Options |= DOKAN_OPTION_ALT_STREAM;
+ 
+-- 
+2.10.1.windows.1
+
diff --git a/CMakeLists.txt b/CMakeLists.txt
index cb24310..1242e07 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -24,6 +24,7 @@ set_target_properties(siadrive.api
 )                 
   
 if (MSVC)
+  set(DOKANY_VERSION dokany-1.0.3)
 	ExternalProject_Add(curl_project 
     URL https://github.com/curl/curl/archive/curl-7_53_1.tar.gz 
     PREFIX ${EXTERNAL_BUILD_ROOT}/builds/curl
@@ -62,10 +63,10 @@ if (MSVC)
 		PROPERTIES COMPILE_FLAGS -DSIADRIVE_DOKAN_EXPORT_SYMBOLS
 	)                                                                                                                                         
 	target_include_directories(siadrive.dokan.api PUBLIC 
-    ${CMAKE_CURRENT_SOURCE_DIR}/3rd_party/dokany-1.0.2/dokan
-    ${CMAKE_CURRENT_SOURCE_DIR}/3rd_party/dokany-1.0.2/sys
+    ${CMAKE_CURRENT_SOURCE_DIR}/3rd_party/${DOKANY_VERSION}/dokan
+    ${CMAKE_CURRENT_SOURCE_DIR}/3rd_party/${DOKANY_VERSION}/sys
     ${CMAKE_CURRENT_SOURCE_DIR}/include/siadrive_dokan_api)
-	target_link_libraries(siadrive.dokan.api siadrive.api ${CMAKE_CURRENT_SOURCE_DIR}/3rd_party/dokany-1.0.2/x64/${CMAKE_BUILD_TYPE}/dokan1.lib)
+	target_link_libraries(siadrive.dokan.api siadrive.api ${CMAKE_CURRENT_SOURCE_DIR}/3rd_party/${DOKANY_VERSION}/x64/${CMAKE_BUILD_TYPE}/dokan1.lib)
 endif()
 
 
@@ -100,9 +101,9 @@ if (MSVC)
     ${CMAKE_CURRENT_SOURCE_DIR}/3rd_party/CEF/bin/${CMAKE_BUILD_TYPE}/libEGL.dll
     ${CMAKE_CURRENT_SOURCE_DIR}/3rd_party/CEF/bin/${CMAKE_BUILD_TYPE}/libGLESv2.dll
     ${CMAKE_CURRENT_SOURCE_DIR}/3rd_party/CEF/bin/${CMAKE_BUILD_TYPE}/d3dcompiler_47.dll
-    ${CMAKE_CURRENT_SOURCE_DIR}/3rd_party/dokany-1.0.2/x64/${CMAKE_BUILD_TYPE}/dokan1.dll
-    ${CMAKE_CURRENT_SOURCE_DIR}/3rd_party/dokany-1.0.2/x64/${CMAKE_BUILD_TYPE}/dokanfuse1.dll
-    ${CMAKE_CURRENT_SOURCE_DIR}/3rd_party/dokany-1.0.2/x64/${CMAKE_BUILD_TYPE}/dokannp1.dll)
+    ${CMAKE_CURRENT_SOURCE_DIR}/3rd_party/${DOKANY_VERSION}/x64/${CMAKE_BUILD_TYPE}/dokan1.dll
+    ${CMAKE_CURRENT_SOURCE_DIR}/3rd_party/${DOKANY_VERSION}/x64/${CMAKE_BUILD_TYPE}/dokanfuse1.dll
+    ${CMAKE_CURRENT_SOURCE_DIR}/3rd_party/${DOKANY_VERSION}/x64/${CMAKE_BUILD_TYPE}/dokannp1.dll)
     
   file(GLOB CEF_SUPPORT 
     ${CMAKE_CURRENT_SOURCE_DIR}/3rd_party/CEF/bin/${CMAKE_BUILD_TYPE}/icudtl.dat
@@ -119,9 +120,9 @@ if (MSVC)
       ${CMAKE_CURRENT_SOURCE_DIR}/3rd_party/CEF/bin/${CMAKE_BUILD_TYPE}/libEGL.dll.pdb
       ${CMAKE_CURRENT_SOURCE_DIR}/3rd_party/CEF/bin/${CMAKE_BUILD_TYPE}/libGLESv2.dll.pdb
       ${CMAKE_CURRENT_SOURCE_DIR}/3rd_party/CEF/bin/${CMAKE_BUILD_TYPE}/libcef_dll_wrapper_cc.pdb
-      ${CMAKE_CURRENT_SOURCE_DIR}/3rd_party/dokany-1.0.2/x64/${CMAKE_BUILD_TYPE}/dokan1.pdb
-      ${CMAKE_CURRENT_SOURCE_DIR}/3rd_party/dokany-1.0.2/x64/${CMAKE_BUILD_TYPE}/dokanfuse1.pdb
-      ${CMAKE_CURRENT_SOURCE_DIR}/3rd_party/dokany-1.0.2/x64/${CMAKE_BUILD_TYPE}/dokannp1.pdb)
+      ${CMAKE_CURRENT_SOURCE_DIR}/3rd_party/${DOKANY_VERSION}/x64/${CMAKE_BUILD_TYPE}/dokan1.pdb
+      ${CMAKE_CURRENT_SOURCE_DIR}/3rd_party/${DOKANY_VERSION}/x64/${CMAKE_BUILD_TYPE}/dokanfuse1.pdb
+      ${CMAKE_CURRENT_SOURCE_DIR}/3rd_party/${DOKANY_VERSION}/x64/${CMAKE_BUILD_TYPE}/dokannp1.pdb)
   endif()
 
   SET ( CMAKE_EXE_LINKER_FLAGS /MANIFEST:NO )
diff --git a/bin/patch.exe b/bin/patch.exe
new file mode 100644
index 0000000..de55a99
Binary files /dev/null and b/bin/patch.exe differ
diff --git a/build_common.cmd b/build_common.cmd
index b166464..7d85979 100644
--- a/build_common.cmd
+++ b/build_common.cmd
@@ -2,16 +2,20 @@
 set ROOT=%~dp0%
 set PATH=%ROOT%bin;%PATH%
 pushd "%ROOT%"
+set DOKANY_VERSION=1.0.3
 
-if NOT EXIST "3rd_party\dokany-1.0.2" (
-  del /q v1.0.2.zip > NUL
-  wget --no-check-certificate "https://github.com/dokan-dev/dokany/archive/v1.0.2.zip" || goto :ERROR
-  unzip -o -q -d 3rd_party v1.0.2.zip || goto :ERROR
-  del /q v1.0.2.zip > NUL
-  del /q dokan.zip > NUL
-  wget --no-check-certificate "https://github.com/dokan-dev/dokany/releases/download/v1.0.2/dokan.zip" || goto :ERROR
-  unzip -o -q -d 3rd_party\dokany-1.0.2 dokan.zip || goto :ERROR
-  del /q dokan.zip > NUL
+if NOT EXIST "3rd_party\dokany-%DOKANY_VERSION%.complete" (
+  del /q v%DOKANY_VERSION%.zip > NUL
+  wget --no-check-certificate "https://github.com/dokan-dev/dokany/archive/v%DOKANY_VERSION%.zip" || goto :ERROR
+  unzip -o -q -d 3rd_party v%DOKANY_VERSION%.zip || goto :ERROR
+  del /q v%DOKANY_VERSION%.zip > NUL
+
+  pushd "3rd_party\dokany-%DOKANY_VERSION%"
+    copy /y ..\enable_debug_logging.patch
+    patch -p1 -N < enable_debug_logging.patch || goto :ERROR
+    call build.bat
+  popd   
+  echo "1">3rd_party\dokany-%DOKANY_VERSION%.complete
 )
 
 if NOT EXIST ".\bin\cmake-3.7.2-win64-x64\bin\cmake.exe" (