RE: Secondary exchange server and automatic spooling

  • From: "Michael B. Smith" <michael@xxxxxxxxxx>
  • To: "[ExchangeList]" <exchangelist@xxxxxxxxxxxxx>
  • Date: Mon, 26 Sep 2005 12:02:31 -0400

Exmerge.  It's scriptable, so it can be somewhat automated, but I don't
think I'd ever want to even try to fully automate the process.

 

________________________________

From: Jabber Wock [mailto:jabberwock99@xxxxxxxxx] 
Sent: Monday, September 26, 2005 11:45 AM
To: [ExchangeList]
Subject: [exchangelist] RE: Secondary exchange server and automatic
spooling

 

http://www.MSExchange.org/ Hi Michael,

You've also got some misunderstandings how OSTs work. If you connect a
profile to another server, a new OST will be created. 

Good point ... thanks for the clarification.
 

        I think you need to take a step back and take a look at your
solution from a fresh perspective. Examine NeverFail and DoubleTake and
MessageOne (there are other players in this space, but those are
probably the big names). 

 

Actually I considered those apps.  and I do not need them.  I am not
trying to maintain an up-to-date live replica of my primary Echange
server, on the backup Exchange server.  During normal operation, the
backup Exchange server will be "empty", not receiving or sending
anything, nor being quietly duplicated. 

 

When the primary fails, email will start arriving at the backup
mailserver (because in the DNS it is set up as a secondary MX).  However
instead of being a traditional "store and foreward" secondary MX, this
backup mailserver will have live accounts already pre-configured so
users will be able to connect their standby profiles (or switch to their
live profile to this backup) and will see their newly arrived emails,
and will be able to send emails, and use OWA etc. until the main server
comes back on line again. There is no requirement that the backup server
keep itself sync'd up in preparation for the disaster (yes I know that
sounds strange but thats the spec).  Hence no need for neverfail etc.
Yes the backup server will not have historical data but apparently that
is OK. 

 

But what is needed is the ability to flush all incoming email that has
accumulated in each inbox, to the corresponding mailbox on teh main
server, when the mailserver comes back on line.

 

JW

         

        
________________________________


        From: Jabber Wock [mailto: jabberwock99@xxxxxxxxx] 
        Sent: Monday, September 26, 2005 10:56 AM 
        To: [ExchangeList]
        Subject: [exchangelist] Secondary exchange server and automatic
spooling

         

        http://www.MSExchange.org/ 

        Hi,

         

        I have set up two exchange servers, one as primary and one as
backup.  The two are far apart across the Internet (many hundreds of
miles apart).  There is no Active Directory connection between them,
i.e. they are not in the same forest, no "trust relationships" between
them etc., and they do not have the same AD DOMAIN name and no VPN
between them.  This is intentional, for reasons I won't go into here to
avoid clouding the question. 

         

        The primary mailserver and backup mailserver are both configured
with the same user accounts.  The intent is that if the primary fails
disastrously for a prolonged period, users will switch their profiles
manually to the backup server and will have send and receive and OWA
capability (not just storage for received emails but no send or OWA as
with a secondary MX mailserver).  Of course, the historical content will
not be visible immediately but that will be in the OST files so in
cached mode, should get sync'd up. 

         

        The question is:  when the primary server comes back on line,
how do we ensure that all the email that was received on the secondary
server, automatically gets spooled to the primary?  is there a way of
"flushing" or "spooling" this data from the backup server to the primary
server? 

         

        best regards

        JW

         

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