diff --git a/dll/ntdll/CMakeLists.txt b/dll/ntdll/CMakeLists.txt
index 6ad60fd8404..09e077cb4e6 100644
--- a/dll/ntdll/CMakeLists.txt
+++ b/dll/ntdll/CMakeLists.txt
@@ -1,4 +1,6 @@
 
+add_subdirectory(nt_0600)
+
 spec2def(ntdll.dll def/ntdll.spec ADD_IMPORTLIB)
 
 add_definitions(
diff --git a/dll/win32/ntdll_vista/CMakeLists.txt b/dll/ntdll/nt_0600/CMakeLists.txt
similarity index 74%
rename from dll/win32/ntdll_vista/CMakeLists.txt
rename to dll/ntdll/nt_0600/CMakeLists.txt
index d0edd56c6c0..061502ac7f1 100644
--- a/dll/win32/ntdll_vista/CMakeLists.txt
+++ b/dll/ntdll/nt_0600/CMakeLists.txt
@@ -1,20 +1,22 @@
 
-remove_definitions(-D_WIN32_WINNT=0x502 -DWINVER=0x502)
-add_definitions(-D_WIN32_WINNT=0x600 -DWINVER=0x600
-    -D__NTDLL__
-    -D_NTOSKRNL_
-    -D_NTSYSTEM_)
-
 spec2def(ntdll_vista.dll ntdll_vista.spec ADD_IMPORTLIB)
 
+add_definitions(
+    -D__NTDLL__
+    -D_NTOSKRNL_
+    -DCRTDLL)
+
+include_directories(
+    BEFORE include
+    ${REACTOS_SOURCE_DIR}/sdk/include/reactos/subsys)
+
 list(APPEND SOURCE
     DllMain.c
-    condvar.c
-    srw.c
     ${CMAKE_CURRENT_BINARY_DIR}/ntdll_vista.def)
 
 add_library(ntdll_vista MODULE ${SOURCE})
 set_module_type(ntdll_vista win32dll ENTRYPOINT DllMain 12)
+target_link_libraries(ntdll_vista rtl_vista)
 if(ARCH STREQUAL "arm")
     target_link_libraries(ntdll_vista chkstk)
 endif()
diff --git a/dll/win32/ntdll_vista/DllMain.c b/dll/ntdll/nt_0600/DllMain.c
similarity index 100%
rename from dll/win32/ntdll_vista/DllMain.c
rename to dll/ntdll/nt_0600/DllMain.c
diff --git a/dll/win32/ntdll_vista/ntdll_vista.spec b/dll/ntdll/nt_0600/ntdll_vista.spec
similarity index 70%
rename from dll/win32/ntdll_vista/ntdll_vista.spec
rename to dll/ntdll/nt_0600/ntdll_vista.spec
index 2bcde610d01..1a3098dde3f 100644
--- a/dll/win32/ntdll_vista/ntdll_vista.spec
+++ b/dll/ntdll/nt_0600/ntdll_vista.spec
@@ -8,3 +8,7 @@
 @ stdcall RtlReleaseSRWLockShared(ptr)
 @ stdcall RtlAcquireSRWLockExclusive(ptr)
 @ stdcall RtlReleaseSRWLockExclusive(ptr)
+@ stdcall RtlRunOnceInitialize(ptr)
+@ stdcall RtlRunOnceBeginInitialize(ptr long ptr)
+@ stdcall RtlRunOnceComplete(ptr long ptr)
+@ stdcall RtlRunOnceExecuteOnce(ptr ptr ptr ptr)
diff --git a/dll/win32/CMakeLists.txt b/dll/win32/CMakeLists.txt
index 66a82d2d3b9..01e6dee240e 100644
--- a/dll/win32/CMakeLists.txt
+++ b/dll/win32/CMakeLists.txt
@@ -140,7 +140,6 @@ add_subdirectory(netid)
 add_subdirectory(netmsg)
 add_subdirectory(newdev)
 add_subdirectory(npptools)
-add_subdirectory(ntdll_vista)
 add_subdirectory(ntdsapi)
 add_subdirectory(ntlanman)
 add_subdirectory(ntmarta)
diff --git a/dll/win32/kernel32_vista/CMakeLists.txt b/dll/win32/kernel32_vista/CMakeLists.txt
index 068297a4a03..915346689a1 100644
--- a/dll/win32/kernel32_vista/CMakeLists.txt
+++ b/dll/win32/kernel32_vista/CMakeLists.txt
@@ -15,7 +15,7 @@ list(APPEND SOURCE
 
 add_library(kernel32_vista MODULE ${SOURCE})
 set_module_type(kernel32_vista win32dll ENTRYPOINT DllMain 12)
-add_importlibs(kernel32_vista kernel32 ntdll)
+add_importlibs(kernel32_vista kernel32 ntdll_vista ntdll)
 add_delay_importlibs(kernel32_vista ntdll_vista)
 add_dependencies(kernel32_vista psdk)
 add_cd_file(TARGET kernel32_vista DESTINATION reactos/system32 FOR all)
diff --git a/dll/win32/kernel32_vista/InitOnceExecuteOnce.c b/dll/win32/kernel32_vista/InitOnceExecuteOnce.c
index b9073fd0fd3..1ef59160aef 100644
--- a/dll/win32/kernel32_vista/InitOnceExecuteOnce.c
+++ b/dll/win32/kernel32_vista/InitOnceExecuteOnce.c
@@ -5,107 +5,8 @@
 #include <wine/config.h>
 #include <wine/port.h>
 
-/* Taken from Wine ntdll/sync.c */
-
-HANDLE keyed_event = NULL;
-
-static DWORD WINAPI RtlRunOnceBeginInitialize( RTL_RUN_ONCE *once, ULONG flags, void **context )
-{
-    if (flags & RTL_RUN_ONCE_CHECK_ONLY)
-    {
-        ULONG_PTR val = (ULONG_PTR)once->Ptr;
-
-        if (flags & RTL_RUN_ONCE_ASYNC) return STATUS_INVALID_PARAMETER;
-        if ((val & 3) != 2) return STATUS_UNSUCCESSFUL;
-        if (context) *context = (void *)(val & ~3);
-        return STATUS_SUCCESS;
-    }
-
-    for (;;)
-    {
-        ULONG_PTR next, val = (ULONG_PTR)once->Ptr;
-
-        switch (val & 3)
-        {
-        case 0:  /* first time */
-            if (!interlocked_cmpxchg_ptr( &once->Ptr,
-                                          (flags & RTL_RUN_ONCE_ASYNC) ? (void *)3 : (void *)1, 0 ))
-                return STATUS_PENDING;
-            break;
-
-        case 1:  /* in progress, wait */
-            if (flags & RTL_RUN_ONCE_ASYNC) return STATUS_INVALID_PARAMETER;
-            next = val & ~3;
-            if (interlocked_cmpxchg_ptr( &once->Ptr, (void *)((ULONG_PTR)&next | 1),
-                                         (void *)val ) == (void *)val)
-                NtWaitForKeyedEvent( keyed_event, &next, FALSE, NULL );
-            break;
-
-        case 2:  /* done */
-            if (context) *context = (void *)(val & ~3);
-            return STATUS_SUCCESS;
-
-        case 3:  /* in progress, async */
-            if (!(flags & RTL_RUN_ONCE_ASYNC)) return STATUS_INVALID_PARAMETER;
-            return STATUS_PENDING;
-        }
-    }
-}
-
-static DWORD WINAPI RtlpRunOnceComplete( RTL_RUN_ONCE *once, ULONG flags, void *context )
-{
-    if ((ULONG_PTR)context & 3) return STATUS_INVALID_PARAMETER;
-
-    if (flags & RTL_RUN_ONCE_INIT_FAILED)
-    {
-        if (context) return STATUS_INVALID_PARAMETER;
-        if (flags & RTL_RUN_ONCE_ASYNC) return STATUS_INVALID_PARAMETER;
-    }
-    else context = (void *)((ULONG_PTR)context | 2);
-
-    for (;;)
-    {
-        ULONG_PTR val = (ULONG_PTR)once->Ptr;
-
-        switch (val & 3)
-        {
-        case 1:  /* in progress */
-            if (interlocked_cmpxchg_ptr( &once->Ptr, context, (void *)val ) != (void *)val) break;
-            val &= ~3;
-            while (val)
-            {
-                ULONG_PTR next = *(ULONG_PTR *)val;
-                NtReleaseKeyedEvent( keyed_event, (void *)val, FALSE, NULL );
-                val = next;
-            }
-            return STATUS_SUCCESS;
-
-        case 3:  /* in progress, async */
-            if (!(flags & RTL_RUN_ONCE_ASYNC)) return STATUS_INVALID_PARAMETER;
-            if (interlocked_cmpxchg_ptr( &once->Ptr, context, (void *)val ) != (void *)val) break;
-            return STATUS_SUCCESS;
-
-        default:
-            return STATUS_UNSUCCESSFUL;
-        }
-    }
-}
-
-static DWORD WINAPI RtlpRunOnceExecuteOnce( RTL_RUN_ONCE *once, PRTL_RUN_ONCE_INIT_FN func,
-                                           void *param, void **context )
-{
-    DWORD ret = RtlRunOnceBeginInitialize( once, 0, context );
-
-    if (ret != STATUS_PENDING) return ret;
-
-    if (!func( once, param, context ))
-    {
-        RtlpRunOnceComplete( once, RTL_RUN_ONCE_INIT_FAILED, NULL );
-        return STATUS_UNSUCCESSFUL;
-    }
-
-    return RtlpRunOnceComplete( once, 0, context ? *context : NULL );
-}
+DWORD WINAPI RtlRunOnceExecuteOnce( RTL_RUN_ONCE *once, PRTL_RUN_ONCE_INIT_FN func,
+                                           void *param, void **context );
 
 /* Taken from Wine kernel32/sync.c */
 
@@ -114,5 +15,5 @@ static DWORD WINAPI RtlpRunOnceExecuteOnce( RTL_RUN_ONCE *once, PRTL_RUN_ONCE_IN
  */
 BOOL NTAPI InitOnceExecuteOnce( INIT_ONCE *once, PINIT_ONCE_FN func, void *param, void **context )
 {
-    return !RtlpRunOnceExecuteOnce( once, (PRTL_RUN_ONCE_INIT_FN)func, param, context );
+    return !RtlRunOnceExecuteOnce( once, (PRTL_RUN_ONCE_INIT_FN)func, param, context );
 }
diff --git a/sdk/lib/rtl/CMakeLists.txt b/sdk/lib/rtl/CMakeLists.txt
index 573e4c08026..65bf915b45d 100644
--- a/sdk/lib/rtl/CMakeLists.txt
+++ b/sdk/lib/rtl/CMakeLists.txt
@@ -114,3 +114,13 @@ add_asm_files(rtl_asm ${ASM_SOURCE})
 add_library(rtl ${SOURCE} ${rtl_asm})
 add_pch(rtl rtl.h SOURCE)
 add_dependencies(rtl psdk asm)
+
+list(APPEND SOURCE_VISTA
+    condvar.c
+    runonce.c
+    srw.c
+)
+
+add_library(rtl_vista ${SOURCE_VISTA})
+add_pch(rtl rtl_vista.h SOURCE_VISTA)
+add_dependencies(rtl_vista psdk)
diff --git a/dll/win32/ntdll_vista/condvar.c b/sdk/lib/rtl/condvar.c
similarity index 100%
rename from dll/win32/ntdll_vista/condvar.c
rename to sdk/lib/rtl/condvar.c
diff --git a/dll/win32/ntdll_vista/rtl_vista.h b/sdk/lib/rtl/rtl_vista.h
similarity index 90%
rename from dll/win32/ntdll_vista/rtl_vista.h
rename to sdk/lib/rtl/rtl_vista.h
index 9f96f15b50d..ef887b77681 100644
--- a/dll/win32/ntdll_vista/rtl_vista.h
+++ b/sdk/lib/rtl/rtl_vista.h
@@ -6,8 +6,13 @@
  * PROGRAMMER:      Alex Ionescu
  */
 
-#ifndef RTL_H
-#define RTL_H
+#ifndef RTL_VISTA_H
+#define RTL_VISTA_H
+
+#undef _WIN32_WINNT
+#undef WINVER
+#define _WIN32_WINNT 0x600
+#define WINVER 0x600
 
 /* We're a core NT DLL, we don't import syscalls */
 #define _INC_SWPRINTF_INL_
@@ -54,4 +59,4 @@
 #define InterlockedBitTestAndSet64 _interlockedbittestandset64
 #endif
 
-#endif /* RTL_H */
+#endif /* RTL_VISTA_H */
diff --git a/sdk/lib/rtl/runonce.c b/sdk/lib/rtl/runonce.c
new file mode 100644
index 00000000000..10401287983
--- /dev/null
+++ b/sdk/lib/rtl/runonce.c
@@ -0,0 +1,121 @@
+
+/* Taken from Wine ntdll/sync.c */
+
+#include "rtl_vista.h"
+#include <wine/config.h>
+#include <wine/port.h>
+
+/******************************************************************
+ *              RtlRunOnceInitialize (NTDLL.@)
+ */
+void WINAPI RtlRunOnceInitialize( RTL_RUN_ONCE *once )
+{
+    once->Ptr = NULL;
+}
+
+/******************************************************************
+ *              RtlRunOnceBeginInitialize (NTDLL.@)
+ */
+DWORD WINAPI RtlRunOnceBeginInitialize( RTL_RUN_ONCE *once, ULONG flags, void **context )
+{
+    if (flags & RTL_RUN_ONCE_CHECK_ONLY)
+    {
+        ULONG_PTR val = (ULONG_PTR)once->Ptr;
+
+        if (flags & RTL_RUN_ONCE_ASYNC) return STATUS_INVALID_PARAMETER;
+        if ((val & 3) != 2) return STATUS_UNSUCCESSFUL;
+        if (context) *context = (void *)(val & ~3);
+        return STATUS_SUCCESS;
+    }
+
+    for (;;)
+    {
+        ULONG_PTR next, val = (ULONG_PTR)once->Ptr;
+
+        switch (val & 3)
+        {
+        case 0:  /* first time */
+            if (!interlocked_cmpxchg_ptr( &once->Ptr,
+                                          (flags & RTL_RUN_ONCE_ASYNC) ? (void *)3 : (void *)1, 0 ))
+                return STATUS_PENDING;
+            break;
+
+        case 1:  /* in progress, wait */
+            if (flags & RTL_RUN_ONCE_ASYNC) return STATUS_INVALID_PARAMETER;
+            next = val & ~3;
+            if (interlocked_cmpxchg_ptr( &once->Ptr, (void *)((ULONG_PTR)&next | 1),
+                                         (void *)val ) == (void *)val)
+                NtWaitForKeyedEvent( 0, &next, FALSE, NULL );
+            break;
+
+        case 2:  /* done */
+            if (context) *context = (void *)(val & ~3);
+            return STATUS_SUCCESS;
+
+        case 3:  /* in progress, async */
+            if (!(flags & RTL_RUN_ONCE_ASYNC)) return STATUS_INVALID_PARAMETER;
+            return STATUS_PENDING;
+        }
+    }
+}
+
+/******************************************************************
+ *              RtlRunOnceComplete (NTDLL.@)
+ */
+DWORD WINAPI RtlRunOnceComplete( RTL_RUN_ONCE *once, ULONG flags, void *context )
+{
+    if ((ULONG_PTR)context & 3) return STATUS_INVALID_PARAMETER;
+
+    if (flags & RTL_RUN_ONCE_INIT_FAILED)
+    {
+        if (context) return STATUS_INVALID_PARAMETER;
+        if (flags & RTL_RUN_ONCE_ASYNC) return STATUS_INVALID_PARAMETER;
+    }
+    else context = (void *)((ULONG_PTR)context | 2);
+
+    for (;;)
+    {
+        ULONG_PTR val = (ULONG_PTR)once->Ptr;
+
+        switch (val & 3)
+        {
+        case 1:  /* in progress */
+            if (interlocked_cmpxchg_ptr( &once->Ptr, context, (void *)val ) != (void *)val) break;
+            val &= ~3;
+            while (val)
+            {
+                ULONG_PTR next = *(ULONG_PTR *)val;
+                NtReleaseKeyedEvent( 0, (void *)val, FALSE, NULL );
+                val = next;
+            }
+            return STATUS_SUCCESS;
+
+        case 3:  /* in progress, async */
+            if (!(flags & RTL_RUN_ONCE_ASYNC)) return STATUS_INVALID_PARAMETER;
+            if (interlocked_cmpxchg_ptr( &once->Ptr, context, (void *)val ) != (void *)val) break;
+            return STATUS_SUCCESS;
+
+        default:
+            return STATUS_UNSUCCESSFUL;
+        }
+    }
+}
+
+/******************************************************************
+ *              RtlRunOnceExecuteOnce (NTDLL.@)
+ */
+DWORD WINAPI RtlRunOnceExecuteOnce( RTL_RUN_ONCE *once, PRTL_RUN_ONCE_INIT_FN func,
+                                    void *param, void **context )
+{
+    DWORD ret = RtlRunOnceBeginInitialize( once, 0, context );
+
+    if (ret != STATUS_PENDING) return ret;
+
+    if (!func( once, param, context ))
+    {
+        RtlRunOnceComplete( once, RTL_RUN_ONCE_INIT_FAILED, NULL );
+        return STATUS_UNSUCCESSFUL;
+    }
+
+    return RtlRunOnceComplete( once, 0, context ? *context : NULL );
+}
diff --git a/dll/win32/ntdll_vista/srw.c b/sdk/lib/rtl/srw.c
similarity index 100%
rename from dll/win32/ntdll_vista/srw.c
rename to sdk/lib/rtl/srw.c