Re: ISA causing problems to Microsoft Exchange
- From: Thor@xxxxxxxxxxxxxxx
- To: isalist@xxxxxxxxxxxxx
- Date: Fri, 17 Aug 2001 06:02:35 -0700
When I see ISA affect internal traffic, it is usually because the LAT is
incorrect. I would check that first and make sure it only contains IP for
local resources.
Curiously, why do you say it is impossible to configure ISA behind a Cisco?
----- Original Message -----
From: "Milimir Budalic" <milimir.budalic@xxxxxxxxxxxxxx>
To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
Sent: Friday, August 17, 2001 5:13 AM
Subject: [isalist] ISA causing problems to Microsoft Exchange
> http://www.ISAserver.org
>
>
> I set up ISA server to replace our CISCO Firewall. Because it's impossible
> to confugure ISA behind CISCO, I put a cable to go from the Switch to the
> HUB, and plugged into hub my ISA and Router. I guess I wanted to go
> arround our CISCO Firewall.
> Internet on ISA worked, I got VPN working (Europe-USA).
> Before I continued my NEW FIREWALL configuration, I started having
> problems with Microsoft Exchange (New Mailbox cannot be added...or...email
> not received internally--sent internally).
> When I shut down ISA and restart my Exchange, I have no more problems with
> Exchange. As soon as I power on my ISA, weird things start happening with
> MS Exchange. All our servers an workstations run Win2000.
>
>
> ???Has anyone heard about this problem?
>
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