diff --git a/reactos/baseaddress.rbuild b/reactos/baseaddress.rbuild
index e45862d824e..55967b54751 100644
--- a/reactos/baseaddress.rbuild
+++ b/reactos/baseaddress.rbuild
@@ -7,6 +7,7 @@
+
diff --git a/reactos/boot/bootdata/packages/reactos.dff b/reactos/boot/bootdata/packages/reactos.dff
index a97091879e7..225ef4ee01d 100644
--- a/reactos/boot/bootdata/packages/reactos.dff
+++ b/reactos/boot/bootdata/packages/reactos.dff
@@ -249,6 +249,7 @@ dll\win32\cryptnet\cryptnet.dll 1
dll\win32\cryptui\cryptui.dll 1
dll\win32\dbghelp\dbghelp.dll 1
dll\win32\dciman32\dciman32.dll 1
+dll\win32\dwmapi\dwmapi.dll 1
dll\win32\devmgr\devmgr.dll 1
dll\win32\dhcpcsvc\dhcpcsvc.dll 1
dll\win32\dnsapi\dnsapi.dll 1
diff --git a/reactos/dll/win32/dwmapi/dwmapi.rbuild b/reactos/dll/win32/dwmapi/dwmapi.rbuild
new file mode 100644
index 00000000000..778500e5189
--- /dev/null
+++ b/reactos/dll/win32/dwmapi/dwmapi.rbuild
@@ -0,0 +1,15 @@
+
+
+
+
+
+ .
+ include/reactos/wine
+
+ dwmapi_main.c
+ version.rc
+ wine
+ kernel32
+ ntdll
+
+
diff --git a/reactos/dll/win32/dwmapi/dwmapi.spec b/reactos/dll/win32/dwmapi/dwmapi.spec
new file mode 100644
index 00000000000..63ee2f54d33
--- /dev/null
+++ b/reactos/dll/win32/dwmapi/dwmapi.spec
@@ -0,0 +1,44 @@
+100 stub @
+101 stub @
+102 stdcall DwmEnableComposition (long)
+103 stub @
+104 stub @
+105 stub @
+106 stub @
+107 stub @
+108 stub @
+109 stub @
+110 stub @
+111 stub @
+112 stub @
+113 stub @
+
+115 stub @
+116 stub @
+117 stub @
+118 stub @
+119 stub @
+120 stub @
+
+@ stub DwmAttachMilContent
+@ stub DwmDefWindowProc
+@ stub DwmDetachMilContent
+@ stub DwmEnableBlurBehindWindow
+@ stub DwmEnableMMCSS
+@ stdcall DwmExtendFrameIntoClientArea(long ptr)
+@ stdcall DwmFlush()
+@ stdcall DwmGetColorizationColor(ptr long)
+@ stub DwmGetCompositionTimingInfo
+@ stub DwmGetGraphicsStreamClient
+@ stub DwmGetGraphicsStreamTransformHint
+@ stub DwmGetTransportAttributes
+@ stub DwmGetWindowAttribute
+@ stdcall DwmIsCompositionEnabled(ptr)
+@ stub DwmModifyPreviousDxFrameDuration
+@ stub DwmQueryThumbnailSourceSize
+@ stub DwmRegisterThumbnail
+@ stub DwmSetDxFrameDuration
+@ stub DwmSetPresentParameters
+@ stdcall DwmSetWindowAttribute(long long ptr long)
+@ stdcall DwmUnregisterThumbnail(long)
+@ stub DwmUpdateThumbnailProperties
diff --git a/reactos/dll/win32/dwmapi/dwmapi_main.c b/reactos/dll/win32/dwmapi/dwmapi_main.c
new file mode 100644
index 00000000000..e306c56709f
--- /dev/null
+++ b/reactos/dll/win32/dwmapi/dwmapi_main.c
@@ -0,0 +1,121 @@
+/*
+ * Dwmapi
+ *
+ * Copyright 2007 Andras Kovacs
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ *
+ */
+
+#include "config.h"
+#include
+
+#define NONAMELESSUNION
+#define NONAMELESSSTRUCT
+#define COBJMACROS
+#include "windef.h"
+#include "winbase.h"
+#include "wingdi.h"
+#include "winuser.h"
+#include "dwmapi.h"
+#include "wine/debug.h"
+
+WINE_DEFAULT_DEBUG_CHANNEL(dwmapi);
+
+
+/* At process attach */
+BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
+{
+ switch(fdwReason)
+ {
+ case DLL_WINE_PREATTACH:
+ return FALSE; /* prefer native version */
+ case DLL_PROCESS_ATTACH:
+ DisableThreadLibraryCalls( hInstDLL );
+ break;
+ }
+ return TRUE;
+}
+
+/**********************************************************************
+ * DwmIsCompositionEnabled (DWMAPI.@)
+ */
+HRESULT WINAPI DwmIsCompositionEnabled(BOOL *enabled)
+{
+ FIXME("%p\n", enabled);
+
+ *enabled = FALSE;
+ return S_OK;
+}
+
+/**********************************************************************
+ * DwmEnableComposition (DWMAPI.102)
+ */
+HRESULT WINAPI DwmEnableComposition(UINT uCompositionAction)
+{
+ FIXME("(%d) stub\n", uCompositionAction);
+
+ return S_OK;
+}
+
+/**********************************************************************
+ * DwmExtendFrameIntoClientArea (DWMAPI.@)
+ */
+HRESULT WINAPI DwmExtendFrameIntoClientArea(HWND hwnd, const MARGINS* margins)
+{
+ FIXME("(%p, %p) stub\n", hwnd, margins);
+
+ return E_NOTIMPL;
+}
+
+/**********************************************************************
+ * DwmGetColorizationColor (DWMAPI.@)
+ */
+HRESULT WINAPI DwmGetColorizationColor(DWORD *colorization, BOOL opaque_blend)
+{
+ FIXME("(%p, %d) stub\n", colorization, opaque_blend);
+
+ return E_NOTIMPL;
+}
+
+/**********************************************************************
+ * DwmFlush (DWMAPI.@)
+ */
+HRESULT WINAPI DwmFlush()
+{
+ FIXME("() stub\n");
+
+ return E_NOTIMPL;
+}
+
+/**********************************************************************
+ * DwmSetWindowAttribute (DWMAPI.@)
+ */
+HRESULT WINAPI DwmSetWindowAttribute(HWND hwnd, DWORD attributenum, LPCVOID attribute, DWORD size)
+{
+ FIXME("(%p, %x, %p, %x) stub\n", hwnd, attributenum, attribute, size);
+
+ return E_NOTIMPL;
+}
+
+/**********************************************************************
+ * DwmUnregisterThumbnail (DWMAPI.@)
+ */
+HRESULT WINAPI DwmUnregisterThumbnail(HTHUMBNAIL thumbnail)
+{
+ FIXME("(%p) stub\n", thumbnail);
+
+ return E_NOTIMPL;
+}
diff --git a/reactos/dll/win32/dwmapi/version.rc b/reactos/dll/win32/dwmapi/version.rc
new file mode 100644
index 00000000000..b76f194dd65
--- /dev/null
+++ b/reactos/dll/win32/dwmapi/version.rc
@@ -0,0 +1,26 @@
+/*
+ * Copyright 2007 Andras Kovacs
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#define WINE_FILEDESCRIPTION_STR "Desktop Window Manager API"
+#define WINE_FILENAME_STR "dwmapi.dll"
+#define WINE_FILEVERSION 6,0,6000,16386
+#define WINE_FILEVERSION_STR "6.0.6000.16386"
+#define WINE_PRODUCTVERSION 6,0,6000,16386
+#define WINE_PRODUCTVERSION_STR "6.0.6000.16386"
+
+#include "wine/wine_common_ver.rc"
diff --git a/reactos/dll/win32/win32.rbuild b/reactos/dll/win32/win32.rbuild
index eafaf664ed8..dbeda426b7f 100644
--- a/reactos/dll/win32/win32.rbuild
+++ b/reactos/dll/win32/win32.rbuild
@@ -76,6 +76,9 @@
+
+
+
diff --git a/reactos/include/psdk/dwmapi.h b/reactos/include/psdk/dwmapi.h
new file mode 100644
index 00000000000..710e3f4dde7
--- /dev/null
+++ b/reactos/include/psdk/dwmapi.h
@@ -0,0 +1,45 @@
+/*
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#ifndef __WINE_DWMAPI_H
+#define __WINE_DWMAPI_H
+
+#include "wtypes.h"
+#include "uxtheme.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef DWMAPI
+# define DWMAPI STDAPI
+# define DWMAPI_(type) STDAPI_(type)
+#endif
+
+DECLARE_HANDLE(HTHUMBNAIL);
+
+DWMAPI DwmEnableComposition(UINT);
+DWMAPI DwmExtendFrameIntoClientArea(HWND,const MARGINS*);
+DWMAPI DwmGetColorizationColor(DWORD*,BOOL);
+DWMAPI DwmIsCompositionEnabled(BOOL*);
+DWMAPI DwmSetWindowAttribute(HWND, DWORD, LPCVOID, DWORD);
+DWMAPI DwmUnregisterThumbnail(HTHUMBNAIL);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __WINE_DWMAPI_H */