Outlook disconnected

[Federico Munoz]

I have this problem constantly. I'm using Outlook XP and
Outlook 2003 Beta with Windows 2000 Pro and Windows XP,
and always present the same problem. Both clients are
connected at one network with Active Directory and
Exchange server. When exist a disconnection to those
servers (server restarted or cable disconnected), and
Outlook is opened on my client, it is not able to get e-
mails after. Always Outlook shows me an "unknown error",
or error as "problems with SMTP" or POP3, and I have to
close and open it, and Outlook works normally.

What is the cause?

Thanks!