Re: Problem accessing Exchange Server remotely using Outlook
- From: "Craig Weil" <craig_weil@xxxxxxxxxxx>
- To: "[ExchangeList]" <exchangelist@xxxxxxxxxxxxx>
- Date: Thu, 14 Aug 2003 16:47:00 -0700
MessageThanks for the info Steve,
Turns out that the patch we used doesn't block port 135, but SBC, Cox
Communications, and perhaps thousands of independent ISPs have now blocked port
135 traffic from their bandwidth. That is the root of our evil anyway. Looks
like I'll be spending some time discovering how to run IMAP across multiple
sites.
----- Original Message -----
From: Steve Moffat
To: [ExchangeList]
Sent: Thursday, August 14, 2003 3:24 PM
Subject: [exchangelist] Re: Problem accessing Exchange Server remotely using
Outlook
http://www.MSExchange.org/
The patch blocks port 135...:((
HTH
Steve
------------------------------------------------------------------------------
From: Craig Weil [mailto:craig_weil@xxxxxxxxxxx]
Sent: Thursday, August 14, 2003 4:47 PM
To: [ExchangeList]
http://www.MSExchange.org/
We are using a Speedstream DSL modem (assigned 32 IP addresses through SBC).
The DSL modem then goes into a switch where other devices plug in and we
manually configure their individual IP addresses. These devices include a
Netopia R9100 router, an Exchange server, a web server, etc... The Netopia
serves LAN ip addresses to our clients in the building so they don't
individually have routable IP addresses. The whole system was working great
until around Tuesday night or so. Our web services are running perfectly. The
only issue I'm having (that I'm aware of) is that retrieving email through an
IMAP client will not work so long as the machine doing so is either not on our
LAN or not on the same subnet as the Exchange server.
Good luck to all of you having this issue, although luck can't turn a wrench.
:)
Craig
----- Original Message -----
From: Chip Liu
To: [ExchangeList]
Sent: Thursday, August 14, 2003 12:33 PM
Subject: [exchangelist] Re: Problem accessing Exchange Server remotely
using Outlook
http://www.MSExchange.org/
Also, what kind of equipment do you have? A Cisco PIX firewall?
-----Original Message-----
From: David Liles [mailto:dave@xxxxxxxxxxxxxxxxxxx]
Sent: Thursday, August 14, 2003 2:26 PM
To: [ExchangeList]
Subject: RE: [exchangelist] Re: Problem accessing Exchange Server
remotely using Outlook
We also started experiencing a similar issue.... from OWA users can
access email... internally they can access email.... externally they get an
error indicating the Exchange server is not available....
-----Original Message-----
From: Craig Weil [mailto:craig_weil@xxxxxxxxxxx]
Sent: Thu 8/14/2003 2:21 PM
To: [ExchangeList]
Cc:
Subject: [exchangelist] Re: Problem accessing Exchange Server remotely
using Outlook
http://www.MSExchange.org/
Having an odd issue with that myself.
We have DSL service with multiple IP addresses assigned to it. One IP
address is assigned to our Exchange 2000 server, one of the IP
addresses is
assigned to a Netopia router which then provides NAT addressing to our
users
in the building. With that said, any computer that is either receving a
NAT
address from the Netopia or any computer with a routable IP in the same
subnet as the Exchange server can retrieve email from Exchange 2000
with no
problem. However, any computer outside our building cannot connect to
our
Exchange server via IMAP, but can via OWA. DNS queries against Exchange
from outside the building work fine. Any ideas? It's almost as if our
DSL
modem suddenly decided to start filtering, but it's a standard
SpeedStream
modem provided by SBC (PacBell).
An interesting twist... from outside of our building, if you establish
a VPN
connection with our Netopia router, you can access Exchange via Outlook
(IMAP). All machines connecting via POP3 from outside our building
receive
their email as well (vpn or not). Kinda getting me nutty!
Thanks all!
Craig A. Weil
----- Original Message -----
From: "Chip Liu" <chip.liu@xxxxxxxxxxxxxxxx>
To: "[ExchangeList]" <exchangelist@xxxxxxxxxxxxx>
Sent: Thursday, August 14, 2003 11:58 AM
Subject: [exchangelist] Problem accessing Exchange Server remotely using
Outlook
http://www.MSExchange.org/
Has anyone experienced the problem with accessing Exchange Server 2000
through the Internet using Outlook? Thanks in advance for the
information and a solution.
Chip
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