Dear Bryce this new problem faced us when we installed Windows server 2003 on our servers.. we use Nowsms 5.5 as a SMPP server that other cleints connect to us and we receive their msgs in the Q folder On windows XP we used to have the files on Q folder with extention ( REQ) on windows server 2003 we receive those files in the Q folder with extension ( .ERR) the file structure and data are still correct can u provide us with your opinion Thx for your caring Sincerely