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OWA-Login: seeing another user - 28.Nov.2007 4:05:55 PM

tom1311

Posts: 3
Joined: 28.Nov.2007
Status: offline

Hello everybody,

I'm a new member and at first I wanna say thank you for all this information at this site! It helped me a lot in the past.

So here is my problem:

I've published OWA and EAS using this article to publish both of it by using only one external IP: http://www.isaserver.org/tutorials/2004pubowamobile.html

Nearly everything works fine - thanks a lot.

The only error occured is the following: if I go to the login-page for the OWA sometimes I can see the "Mailfolders" (or "Inboxstructure") - the left frame of the OWA-Site - from another (!) user. The login-screen tells me the session has been expired. One time I saw the mails with the headlines as well.

So how could this be? Is it because for the exchange-server the query comes directly from the isa - for every user?

I will be thankful for every answer.

Greetings,

Tom

Post #: 1

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RE: OWA-Login: seeing another user - 29.Nov.2007 8:17:53 PM

BBooth

Posts: 9
Joined: 22.Nov.2007
Status: offline

Hi Tom,

I can't say I've experienced this yet, as our implementation is still in the early stages, but it sounds as tho the ISA server may be caching the pages from the server it's publishing, so my first suggestion would be to set up the ISA caching rules to NOT cache anything retrieved from an internal address, or even disabling caching temporarily (however this requires an ISA firewall service restart so be aware).

HTH,
Brendon

(in reply to tom1311)

Post #: 2

RE: OWA-Login: seeing another user - 30.Nov.2007 4:24:49 AM

Jason Jones

Posts: 2140
Joined: 30.Jul.2002
From: United Kingdom
Status: offline

Good cool by Brendonm I think...sounds like something funky with ISA caching

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(in reply to BBooth)

Post #: 3

RE: OWA-Login: seeing another user - 30.Nov.2007 5:48:33 AM

tom1311

Posts: 3
Joined: 28.Nov.2007
Status: offline

Hello,

at first: thanks for your reply Brendon and Jason.

We don't use the ISA-Caching - I've deactivated it by setting the available disk-space for caching to 0 MB. Is this the right way? It worked with this setting and several web-servers for about a year now and is marked with an red arrow, too.

If I publish only the OWA on a "normal" way (not the one from the howto mentioned above) everything works fine.
I thought perhaps the exchange thinks it is always the same user because every request is routed from the external net to the "localhost" and then to the exchange-server?

Perhaps I have to change from one external IP to several IPs - and have to accept a downtime of all webservers...this will be the right way, won't it?

Greetings,

Tom

(in reply to Jason Jones)

Post #: 4