Dear sir, Now, i have here my exchange server and its configured normally. i have here one situation, i have here 4 users connected to the exchange server through POP3 Account. and there mailbox located on the excchange server it self, so they access it through POP3 Protocol . now, if i open the ESM, and check the POP3 , current session, i found that no one is appear who is connect . while the 4 users are connected to it , so why ? please update .