Outlook loses connection to Exchange 2003

From: Johann J Hanekom (Johann.Hanekom_at_lycos.co.uk)
Date: 12/27/04 

Date: Mon, 27 Dec 2004 10:46:59 +0000

I have just completed a Windows 2003/Exchange 2003 installation on a
server with 1.5Gb memory - not sure if the rest of the specs are
relevant.

The startup is configured with the /3GB switch as per recommendation,
but none of the other performance settings have been implemented.

I have a satellite broadband connection, with a gateway machine
between the server and the internet to provide NAT. The gateway
machine provides DHCP services, and hosts a local POP3 mail server
from which users pick up incoming e-mail.

The server has a single RAID 5 array split into two partitions. It
provides file sharing, and has AD and DNS running on it. As far as
possible the boot partition has been setup for the exclusive use of
the operating system and Exchange, with all created data such as
mailboxes, logs, files, etc hosted on a separate data partition.

All services are running normally, and there are no error entries in
the event viewer after the last re-boot. Internal mail can be sent and
received OK, and so can internet mail.

BUT

Outlook takes about 30 seconds to connect to the Exchange server and
open the mailbox (when it can connect) and sporadically is unable to
connect at all. When this happens, a re-boot of the client machine
usually restores the connection, but the system has not been running
long enough to claim this cure always works.

In any case, I don't think my 50 users are going to be very happy to
have to re-boot everytime they lose connection to Exchange.

Any idea where to start looking for the problem (and a solution)?

Thanks

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