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2003 to 2010 - 8.Aug.2011 6:36:34 AM

flexin01

Posts: 3
Joined: 16.Jul.2011
Status: offline

Hi Guys.

I know i have asked this before but got no reply.

I have been tasked with upgrading our exchange server from 2003 to 2010. I have completed the install and they are both running and i have moved a test box to the 2010 server. This test account can no longer send or receive mail either internally or from outside the network.

The 2003 exchange server has a single smtp smart-host connector to mailmarshal (or filtering program).

My question is how can i set this up so that all mail from boxes on the 2010 server flow through the 2003 server and out the smart host to mailmarshal.

once i have this done i can then start moving the mailboxes over.

Thanks Guys

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RE: 2003 to 2010 - 8.Aug.2011 1:09:38 PM

de.blackman

Posts: 3542
Joined: 4.Apr.2005
From: Toronto, Canada
Status: offline

Ok my question to you is why would you want to do that?? You are moving away from Exchange 2003 so why would you want your mail flow from Exchange 2010 to go out through 2003? The only logical reason I can see is that MailMarshall is configured to accept connections from the IP address of your Exchange 2003 server but if thats the case, can you not add the IP of the 2010 server as well? To me it doesnt make sense to have the new system still use the legacy, instead you should be trying to move away from the legacy system.

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(in reply to flexin01)

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RE: 2003 to 2010 - 11.Aug.2011 12:20:55 PM

berryguru

Posts: 52
Joined: 18.Feb.2010
Status: offline

I'm in the same boat with the upgrade from 2003 to 2010. From what I read in your post flexin01, I think you just mixed up 2003 and 2010, and meant to say 'mail from your 2003 box to flow through your 2010 box. Right?

(in reply to de.blackman)

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RE: 2003 to 2010 - 7.Oct.2011 9:14:54 AM

flexin01

Posts: 3
Joined: 16.Jul.2011
Status: offline

Ok guys this is the way i want to work the migration, (if you guys have a better suggestion let me know)

the mail hit our external filtering software mail marshal in this case this is then set to send the messages after filtering to the exchange 2003 box where at the moment all the mailboxes are.

so as I start to migrate the mailboxes to 2010 I want to have the config stay exactly the same so no interruption to the users happens.

as mailboxes are moved to the 2010 server 2003 should route messages to the 2010 box for delivery and visa versa then once the mailbox migration is complete i can switch the mail marshal gateway to the 2010 server then start to pull down the 2003 server for good.

hope this makes sense again I am open to suggestions but this seems to me to be the easiest way of doing it and means I can move the boxes one at a time overnight to avoid dissruption.

Thanks guys

< Message edited by flexin01 -- 7.Oct.2011 9:17:30 AM >

(in reply to berryguru)

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RE: 2003 to 2010 - 15.Oct.2011 5:24:36 PM

svoller

Posts: 14
Joined: 26.Dec.2010
Status: offline

We had the same problem in a migration from Exchange 2003 to 2010 , we need to keep initially the inbound mail coming to the 2003 server whilst we got our hosting sorted out.

The problem we had was in two areas:
The Interop routing group connector that got created was stuffed for some reason so we recreated it. That fixed the initial issue.
httphttp://technet.microsoft.com/en-us/library/aa996924.aspx

A change to our SMTP connector outbound relay on the 2003 server meant it then had preference over the Interop RGC and mail queued on the 2003 server whilst the server tried to deliver to the mailbox server directly and not the hub/cas . This change in connector preference can occur if the SMTP Connector is modified or delete/re-created after the Interop RGC is created. The Interop RGC was created when the first Exchange 2010 server was installed.

Have a look and see if your mail for the mailbox on the 2010 server is queuing ?

(in reply to flexin01)

Post #: 5