--- dao/file2mq/file2mq/Program.cs	2013/07/03 07:51:12	1984
+++ dao/file2mq/file2mq/Program.cs	2015/06/11 13:41:56	2576
@@ -73,6 +73,15 @@
             Environment.Exit(1);
         }
 
+        String baseName = Path.GetFileName(fileName);
+        String archiveFile = archiveDir + "\\" + baseName;
+
+        if (File.Exists(archiveFile))
+        {
+            Console.WriteLine("Archive file already exists {0}", archiveFile);
+            Environment.Exit(1);
+        }
+
         
         StreamReader input = null;
         try
@@ -135,8 +144,8 @@
 
             input.Close();
 
-            String baseName = Path.GetFileName(fileName);
-            Directory.Move(fileName, archiveDir + "\\" + baseName);
+
+            Directory.Move(fileName, archiveFile);
         }
 
         //If an error has occurred in the above,try to identify what went wrong.