diff --git a/server/device.c b/server/device.c
index 843ba3423ca..5e936b05f0f 100644
--- a/server/device.c
+++ b/server/device.c
@@ -446,6 +446,7 @@ static struct object *device_open_file( struct object *obj, unsigned int access,
 {
     struct device *device = (struct device *)obj;
     struct device_file *file;
+    struct unicode_str nt_name;
 
     if (!(file = alloc_object( &device_file_ops ))) return NULL;
 
@@ -458,7 +459,8 @@ static struct object *device_open_file( struct object *obj, unsigned int access,
     {
         mode_t mode = 0666;
         access = file->obj.ops->map_access( &file->obj, access );
-        file->fd = open_fd( NULL, device->unix_path, O_NONBLOCK | O_LARGEFILE,
+        nt_name.str = device->obj.ops->get_full_name( &device->obj, &nt_name.len );
+        file->fd = open_fd( NULL, device->unix_path, nt_name, O_NONBLOCK | O_LARGEFILE,
                             &mode, access, sharing, options );
         if (file->fd) set_fd_user( file->fd, &device_file_fd_ops, &file->obj );
     }
diff --git a/server/fd.c b/server/fd.c
index 079508c2d95..2dcdd04a892 100644
--- a/server/fd.c
+++ b/server/fd.c
@@ -185,6 +185,8 @@ struct fd
     unsigned int         options;     /* file options (FILE_DELETE_ON_CLOSE, FILE_SYNCHRONOUS...) */
     unsigned int         sharing;     /* file sharing mode */
     char                *unix_name;   /* unix file name */
+    WCHAR               *nt_name;     /* NT file name */
+    data_size_t          nt_namelen;  /* length of NT file name */
     int                  unix_fd;     /* unix file descriptor */
     unsigned int         no_fd_status;/* status to return when unix_fd is -1 */
     unsigned int         cacheable :1;/* can the fd be cached on the client side? */
@@ -1570,6 +1572,7 @@ static void fd_destroy( struct object *obj )
     remove_fd_locks( fd );
     list_remove( &fd->inode_entry );
     if (fd->poll_index != -1) remove_poll_user( fd, fd->poll_index );
+    free( fd->nt_name );
     if (fd->inode)
     {
         inode_add_closed_fd( fd->inode, fd->closed );
@@ -1688,6 +1691,8 @@ static struct fd *alloc_fd_object(void)
     fd->sharing    = 0;
     fd->unix_fd    = -1;
     fd->unix_name  = NULL;
+    fd->nt_name    = NULL;
+    fd->nt_namelen = 0;
     fd->cacheable  = 0;
     fd->signaled   = 1;
     fd->fs_locks   = 1;
@@ -1723,6 +1728,8 @@ struct fd *alloc_pseudo_fd( const struct fd_ops *fd_user_ops, struct object *use
     fd->options    = options;
     fd->sharing    = 0;
     fd->unix_name  = NULL;
+    fd->nt_name    = NULL;
+    fd->nt_namelen = 0;
     fd->unix_fd    = -1;
     fd->cacheable  = 0;
     fd->signaled   = 0;
@@ -1755,6 +1762,11 @@ struct fd *dup_fd_object( struct fd *orig, unsigned int access, unsigned int sha
         if (!(fd->unix_name = mem_alloc( strlen(orig->unix_name) + 1 ))) goto failed;
         strcpy( fd->unix_name, orig->unix_name );
     }
+    if (orig->nt_namelen)
+    {
+        if (!(fd->nt_name = memdup( orig->nt_name, orig->nt_namelen ))) goto failed;
+        fd->nt_namelen = orig->nt_namelen;
+    }
 
     if (orig->inode)
     {
@@ -1831,8 +1843,50 @@ char *dup_fd_name( struct fd *root, const char *name )
     return ret;
 }
 
+static WCHAR *dup_nt_name( struct fd *root, struct unicode_str name, data_size_t *len )
+{
+    WCHAR *ret;
+    data_size_t retlen;
+
+    if (!root)
+    {
+        *len = name.len;
+        if (!name.len) return NULL;
+        return memdup( name.str, name.len );
+    }
+    if (!root->nt_namelen) return NULL;
+    retlen = root->nt_namelen;
+
+    /* skip . prefix */
+    if (name.len && name.str[0] == '.' && (name.len == sizeof(WCHAR) || name.str[1] == '\\'))
+    {
+        name.str++;
+        name.len -= sizeof(WCHAR);
+    }
+    if ((ret = malloc( retlen + name.len + 1 )))
+    {
+        memcpy( ret, root->nt_name, root->nt_namelen );
+        if (name.len && name.str[0] != '\\' &&
+            root->nt_namelen && root->nt_name[root->nt_namelen / sizeof(WCHAR) - 1] != '\\')
+        {
+            ret[retlen / sizeof(WCHAR)] = '\\';
+            retlen += sizeof(WCHAR);
+        }
+        memcpy( ret + retlen / sizeof(WCHAR), name.str, name.len );
+        *len = retlen + name.len;
+    }
+    return ret;
+}
+
+void get_nt_name( struct fd *fd, struct unicode_str *name )
+{
+    name->str = fd->nt_name;
+    name->len = fd->nt_namelen;
+}
+
 /* open() wrapper that returns a struct fd with no fd user set */
-struct fd *open_fd( struct fd *root, const char *name, int flags, mode_t *mode, unsigned int access,
+struct fd *open_fd( struct fd *root, const char *name, struct unicode_str nt_name,
+                    int flags, mode_t *mode, unsigned int access,
                     unsigned int sharing, unsigned int options )
 {
     struct stat st;
@@ -1906,6 +1960,7 @@ struct fd *open_fd( struct fd *root, const char *name, int flags, mode_t *mode,
         }
     }
 
+    fd->nt_name = dup_nt_name( root, nt_name, &fd->nt_namelen );
     fd->unix_name = NULL;
     if ((path = dup_fd_name( root, name )))
     {
@@ -2437,8 +2492,8 @@ static void set_fd_disposition( struct fd *fd, int unlink )
 }
 
 /* set new name for the fd */
-static void set_fd_name( struct fd *fd, struct fd *root, const char *nameptr,
-                         data_size_t len, int create_link, int replace )
+static void set_fd_name( struct fd *fd, struct fd *root, const char *nameptr, data_size_t len,
+                         struct unicode_str nt_name, int create_link, int replace )
 {
     struct inode *inode;
     struct stat st, st2;
@@ -2553,6 +2608,8 @@ static void set_fd_name( struct fd *fd, struct fd *root, const char *nameptr,
         fchmod( fd->unix_fd, st.st_mode );
     }
 
+    free( fd->nt_name );
+    fd->nt_name = dup_nt_name( root, nt_name, &fd->nt_namelen );
     free( fd->unix_name );
     fd->closed->unix_name = fd->unix_name = realpath( name, NULL );
     free( name );
@@ -2824,12 +2881,15 @@ DECL_HANDLER(set_fd_disp_info)
 DECL_HANDLER(set_fd_name_info)
 {
     struct fd *fd, *root_fd = NULL;
+    struct unicode_str nt_name;
 
     if (req->namelen > get_req_data_size())
     {
         set_error( STATUS_INVALID_PARAMETER );
         return;
     }
+    nt_name.str = get_req_data();
+    nt_name.len = (req->namelen / sizeof(WCHAR)) * sizeof(WCHAR);
 
     if (req->rootdir)
     {
@@ -2844,7 +2904,7 @@ DECL_HANDLER(set_fd_name_info)
     if ((fd = get_handle_fd_obj( current->process, req->handle, 0 )))
     {
         set_fd_name( fd, root_fd, (const char *)get_req_data() + req->namelen,
-                     get_req_data_size() - req->namelen, req->link, req->replace );
+                     get_req_data_size() - req->namelen, nt_name, req->link, req->replace );
         release_object( fd );
     }
     if (root_fd) release_object( root_fd );
diff --git a/server/file.c b/server/file.c
index eaf73115155..f9ce0106c3b 100644
--- a/server/file.c
+++ b/server/file.c
@@ -210,6 +210,7 @@ int is_file_executable( const char *name )
 }
 
 static struct object *create_file( struct fd *root, const char *nameptr, data_size_t len,
+                                   struct unicode_str nt_name,
                                    unsigned int access, unsigned int sharing, int create,
                                    unsigned int options, unsigned int attrs,
                                    const struct security_descriptor *sd )
@@ -220,7 +221,7 @@ static struct object *create_file( struct fd *root, const char *nameptr, data_si
     char *name;
     mode_t mode;
 
-    if (!len || ((nameptr[0] == '/') ^ !root))
+    if (!len || ((nameptr[0] == '/') ^ !root) || (nt_name.len && ((nt_name.str[0] == '\\') ^ !root)))
     {
         set_error( STATUS_OBJECT_PATH_SYNTAX_BAD );
         return NULL;
@@ -267,7 +268,7 @@ static struct object *create_file( struct fd *root, const char *nameptr, data_si
     access = map_access( access, &file_type.mapping );
 
     /* FIXME: should set error to STATUS_OBJECT_NAME_COLLISION if file existed before */
-    fd = open_fd( root, name, flags | O_NONBLOCK | O_LARGEFILE, &mode, access, sharing, options );
+    fd = open_fd( root, name, nt_name, flags | O_NONBLOCK | O_LARGEFILE, &mode, access, sharing, options );
     if (!fd) goto done;
 
     if (S_ISDIR(mode))
@@ -603,13 +604,15 @@ static struct object *file_open_file( struct object *obj, unsigned int access,
 {
     struct file *file = (struct file *)obj;
     struct object *new_file = NULL;
+    struct unicode_str nt_name;
     char *unix_name;
 
     assert( obj->ops == &file_ops );
 
     if ((unix_name = dup_fd_name( file->fd, "" )))
     {
-        new_file = create_file( NULL, unix_name, strlen(unix_name), access,
+        get_nt_name( file->fd, &nt_name );
+        new_file = create_file( NULL, unix_name, strlen(unix_name), nt_name, access,
                                 sharing, FILE_OPEN, options, 0, NULL );
         free( unix_name );
     }
@@ -706,7 +709,7 @@ DECL_HANDLER(create_file)
     name = get_req_data_after_objattr( objattr, &name_len );
 
     reply->handle = 0;
-    if ((file = create_file( root_fd, name, name_len, req->access, req->sharing,
+    if ((file = create_file( root_fd, name, name_len, nt_name, req->access, req->sharing,
                              req->create, req->options, req->attrs, sd )))
     {
         reply->handle = alloc_handle( current->process, file, req->access, objattr->attributes );
diff --git a/server/file.h b/server/file.h
index 686bae084c5..b36cca7c5d2 100644
--- a/server/file.h
+++ b/server/file.h
@@ -78,8 +78,9 @@ struct fd_ops
 
 extern struct fd *alloc_pseudo_fd( const struct fd_ops *fd_user_ops, struct object *user,
                                    unsigned int options );
-extern struct fd *open_fd( struct fd *root, const char *name, int flags, mode_t *mode,
-                           unsigned int access, unsigned int sharing, unsigned int options );
+extern struct fd *open_fd( struct fd *root, const char *name, struct unicode_str nt_name,
+                           int flags, mode_t *mode, unsigned int access,
+                           unsigned int sharing, unsigned int options );
 extern struct fd *create_anonymous_fd( const struct fd_ops *fd_user_ops,
                                        int unix_fd, struct object *user, unsigned int options );
 extern struct fd *dup_fd_object( struct fd *orig, unsigned int access, unsigned int sharing,
@@ -100,6 +101,7 @@ extern void unlock_fd( struct fd *fd, file_pos_t offset, file_pos_t count );
 extern void allow_fd_caching( struct fd *fd );
 extern void set_fd_signaled( struct fd *fd, int signaled );
 extern char *dup_fd_name( struct fd *root, const char *name );
+extern void get_nt_name( struct fd *fd, struct unicode_str *name );
 
 extern int default_fd_signaled( struct object *obj, struct wait_queue_entry *entry );
 extern int default_fd_get_poll_events( struct fd *fd );
diff --git a/server/unicode.c b/server/unicode.c
index 56f3c024103..55f9954f4f4 100644
--- a/server/unicode.c
+++ b/server/unicode.c
@@ -264,6 +264,9 @@ static char *get_nls_dir(void)
 struct fd *load_intl_file(void)
 {
     static const char *nls_dirs[] = { NULL, NLSDIR, "/usr/local/share/wine/nls", "/usr/share/wine/nls" };
+    static const WCHAR nt_pathW[] = {'C',':','\\','w','i','n','d','o','w','s','\\',
+        's','y','s','t','e','m','3','2','\\','l','_','i','n','t','l','.','n','l','s',0};
+    static const struct unicode_str nt_name = { nt_pathW, sizeof(nt_pathW) };
     unsigned int i, offset, size;
     unsigned short data;
     char *path;
@@ -278,7 +281,7 @@ struct fd *load_intl_file(void)
         if (!(path = malloc( strlen(nls_dirs[i]) + sizeof("/l_intl.nls" )))) continue;
         strcpy( path, nls_dirs[i] );
         strcat( path, "/l_intl.nls" );
-        if ((fd = open_fd( NULL, path, O_RDONLY, &mode, FILE_READ_DATA,
+        if ((fd = open_fd( NULL, path, nt_name, O_RDONLY, &mode, FILE_READ_DATA,
                            FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
                            FILE_NON_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT ))) break;
         free( path );