I am looking for help with Outlook XP - Exchange 2000 connectivity through a
We have two networks, Head office and a branch office.
Currently, the branch office has three workstations in a workgroup. H/O has
the exchange server, domain controllers etc. The branch office is running
ADSL with a linksys router, and H/O has multiple ISP lines (T1 & E10) with
Cisco Firewalls. The exchange server & domain controllers are behind the
Here is an article I found before I posted to the newsgroup, but it is for
exchange v4-5.5, not 2000 and an outlook client.
I am looking for exchange 2000 - outlook 2002 (office XP) connectivity
through a firewall.
If anyone knows the minimum number of ports that I will need to open between
the two sites, that would be much appreciated.
I.e. Do I really need to open the ldap ports. It seems that would need to be
open from the exchange server to the global catalogue or domain controller,
not between the outlook client and the exchange server.