Index: trunk/admin/users/adduser.php
===================================================================
diff -u -r100 -r104
--- trunk/admin/users/adduser.php	(.../adduser.php)	(revision 100)
+++ trunk/admin/users/adduser.php	(.../adduser.php)	(revision 104)
@@ -190,7 +190,8 @@
   <tr <?php int_table_color(); ?>> 
     <td valign="top"><span id="prompt_user_login" class="text"><?php echo prompt_language("la_prompt_Usermame"); ?></span></td>
     <td> 
-      <input type="text" tabindex="1" name="user_login" ID="user_login" class="text" ValidationType="exists" size="20" value="<?php echo $c->parsetag("user_login"); ?>">
+      <input type="text" tabindex="1" name="user_login" ID="user_login" class="text" ValidationType="exists" size="20" value="<?php echo $dupe_user ? $dupe_user : $c->parsetag("user_login"); ?>">
+      <span class="validation_error"><?php if( isset($dupe_user) && $dupe_user ) echo admin_language($lvErrorString); ?></span>
     </td>
     <td></td>
   </tr>