Index: subsystems/win/basesrv/dosdev.c
===================================================================
--- subsystems/win/basesrv/dosdev.c	(revision 60201)
+++ subsystems/win/basesrv/dosdev.c	(working copy)
@@ -169,7 +169,7 @@
                 Status == STATUS_BUFFER_TOO_SMALL)
             {
                 LinkTarget.Length = 0;
-                LinkTarget.MaximumLength = Length;
+                LinkTarget.MaximumLength = (USHORT)Length;
                 LinkTarget.Buffer = (PWSTR)
                     RtlAllocateHeap(BaseSrvHeap,
                                     HEAP_ZERO_MEMORY,
Index: win32ss/user/winsrv/usersrv/init.c
===================================================================
--- win32ss/user/winsrv/usersrv/init.c	(revision 60201)
+++ win32ss/user/winsrv/usersrv/init.c	(working copy)
@@ -18,6 +18,12 @@
 /* GLOBALS ********************************************************************/
 
 HINSTANCE UserServerDllInstance = NULL;
+ULONG gSessionId;
+BOOL gLUIDDeviceMapsEnabled;
+USHORT gDispatchTableValues[2] = {670, 2136};
 HANDLE ghPowerRequestEvent;
 HANDLE ghMediaRequestEvent;
 
 /* Memory */
 HANDLE UserServerHeap = NULL;   // Our own heap.
@@ -269,6 +275,128 @@
+
+ULONG // Should be NTSTATUS, but PTHREAD_START_ROUTINE is defined that way...
+NTAPI
+TerminalServerRequestThread(
+    PVOID Parameter)
+{
+    UNIMPLEMENTED;
+    return STATUS_SUCCESS;
+}
+
+ULONG
+NTAPI
+UserClientShutdown(
+    _In_ PCSR_PROCESS CsrProcess,
+    _In_ ULONG Flags,
+    _In_ BOOLEAN FirstPhase)
+{
+    UNIMPLEMENTED;
+    return 0;
+}
+
+NTSTATUS
+NTAPI
+WinStationAPIInit(
+    VOID)
+{
+    CLIENT_ID ClientId;
+    HANDLE ThreadHandle;
+    LONG ThreadPriority;
+    ULONG Enabled;
+    NTSTATUS Status;
+
+    /* Save the session id in a global variable */
+    gSessionId = NtCurrentTeb()->ProcessEnvironmentBlock->SessionId;
+
+    /* Query LUID Device Maps information */
+    Status = NtQueryInformationProcess(NtCurrentProcess(),
+                                       ProcessLUIDDeviceMapsEnabled,
+                                       &Enabled,
+                                       sizeof(Enabled),
+                                       NULL);
+    if (NT_SUCCESS(Status))
+        gLUIDDeviceMapsEnabled = Enabled;
+
+    /* Create the terminal server request thread */
+    Status = RtlCreateUserThread(NtCurrentProcess(),
+                                 NULL,
+                                 TRUE,
+                                 0,
+                                 0,
+                                 0,
+                                 TerminalServerRequestThread,
+                                 NULL,
+                                 &ThreadHandle,
+                                 &ClientId);
+    if (!NT_SUCCESS(Status))
+    {
+        return Status;
+    }
+
+    /* Register the thread with CSR */
+    CsrAddStaticServerThread(ThreadHandle, &ClientId, 0);
+
+    /* Set the server thread priority to highest */
+    ThreadPriority = THREAD_PRIORITY_HIGHEST;
+    Status = NtSetInformationThread(ThreadHandle,
+                                    ThreadBasePriority,
+                                    &ThreadPriority,
+                                    4);
+    if (!NT_SUCCESS(Status))
+    {
+        return Status;
+    }
+
+    /* Now start the server thread */
+    NtResumeThread(ThreadHandle, 0);
+
+    return Status;
+}
+
 CSR_SERVER_DLL_INIT(UserServerDllInitialization)
 {
 /*** From win32csr... ***/
@@ -318,6 +447,54 @@
     /* Initialize the kernel mode subsystem */
     Status = NtUserInitialize(USER_VERSION,
                               ghPowerRequestEvent,
                               ghMediaRequestEvent);
     if (!NT_SUCCESS(Status))
     {
         return Status;
     }
 
+    /* Check if this is a terminal server */
+    if (SharedUserData->SuiteMask & VER_SUITE_TERMINAL)
+    {
+        /* Enable ExitWindowsEx API */
+        UserServerApiServerValidTable[UserpExitWindowsEx - USERSRV_FIRST_API_NUMBER] = TRUE;
+
+        /* Do additional windowstation init */
+        Status = WinStationAPIInit();
+        if (!NT_SUCCESS(Status))
+        {
+            return Status;
+        }
+    }
+
     /* All done */
     return STATUS_SUCCESS;
 }