RE: Soka|connections with OWA|LAN vs Internet

  • From: "Robert Lawson" <rlawson@xxxxxxxx>
  • To: "[ExchangeList]" <exchangelist@xxxxxxxxxxxxx>
  • Date: Thu, 7 Apr 2005 09:53:00 -0700

 Thanks.  I did not state in my post that the OWA URL is to the front-end 
server only.


From: Marcel Stangenberger [mailto:marcel.stangenberger@xxxxx]
Sent: Thu 4/7/2005 8:33 AM
To: [ExchangeList]
Subject: [exchangelist] RE: Soka|connections with OWA|LAN vs Internet

Ho Robert,


The entire idea of a front end server is that the user connects to the front 
end and that the front end connects to the back end server.


This said the reality is the same. The user uses OWA or outlook to connect to 
the front end server on the LAN. The front end server connects to the back end 
server where the mailbox stores are and you're up and running. If OWA is 
running on the same machine as the front end (In most cases this is true) then 
you could say that OWA is directly connecting to the mailbox store on the back 
end, but the true connection is still on the front end server and the user 
running the webclient to access OWA is never in direct contact with the mailbox 
store on the back end server.


Hope this helps,




XB Networks B.V.



Van: Robert Lawson [mailto:rlawson@xxxxxxxx] 
Verzonden: donderdag 7 april 2005 17:10
Aan: [ExchangeList]
Onderwerp: Soka|connections with OWA|LAN vs Internet


Hello All,

  A co-worker, the current Exchange admin, has stated that when the OWA client 
is used on our LAN that it establishes a connection directly to the mailbox 
store (as does Outlook) as well as to the front end server, and therefore the 
OWA should not be used as mail client on our LAN.  When I use NETSTAT and 
Exchange System Manager's log in's for mailbox store, I can not see this taking 
place.  It appears that when using the OWA mail client on the LAN,  the front 
end server brokers access to the mail store on your behalf, and no other 
connection is made to the mailbox store.

  We are running Exchange 2003/Windows Server 2003.  We have a front end server 
(OWA server) and back end server with mail stores.

  As a newbie Exchange person, your seasoned observations and comments are 

Thanks, Robert


Robert Lawson
Database Administrator
Soka University of America
1 University Drive
Aliso Viejo, CA. 92656
main: 949.480.4000 fax: 949.480.4001
direct: 949.480.4224 rlawson@xxxxxxxx 

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