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Upgrade Install - Sequence what first?

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Upgrade Install - Sequence what first? - 25.Jul.2011 5:08:06 AM   
Roo

 

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Hi we're a smallish Exchange setup. Currently 3 Exchange 2003 servers. 1 mailbox, 1 bridgehead and one OWA. our mail filtering is being done by an offsite. so the bridgehead just passes mail to the main server/external address nowadays.

We have purchased 2 x 2010 to replace all of these. we will continue to use offsite filtering. In the next couple of weeks we will be in a position to start migrating the systems (While offline).

My Question is: In what sequence would/should this be done?
I've installed one exchange server - MB/HUB/CAS - but I've had trouble running this together with the existing set up. I cant get the send and receive connectors to run correctly.

So what we were planning is to replace the bridgehead 2003 server first with a MB/HUB/CAS. Get the current 2003 mailbox to route mail to this exchange. then add a second MB/HUB/CAS and migrate the mailboxes to the new mailbox servers. Would this be a good plan of action?
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RE: Upgrade Install - Sequence what first? - 25.Jul.2011 6:41:53 AM   
Gulab

 

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Hi Roo,

The way you have planned is not the way you should do it.
Here is the process you should follow:
1: Install the server.
2: Star migrating Mailboxes and Public Folder Replication.(Including OAB and Free Busy)
3: Move the OAB to 2010 server.
4: Check the Mail flow between 2003 to 2010.
Note: Public Folder Replication works on mail flow.
Note: You can't or should not remove the Legacy server until of unless you moved all the Mailboxes and Replicated the Public Folders.

Cheers,

_____________________________

Gulab Prasad,
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(in reply to Roo)
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RE: Upgrade Install - Sequence what first? - 25.Jul.2011 7:38:06 AM   
jveldh

 

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Gulab,

I would recommend to test the mail flow earlier because if this doesn't work between 2003 and 2010 this can cause major issues.

Regards,
Johan

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Best regards,

Johan Veldhuis

Visit my Exchange blog

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Post #: 3
RE: Upgrade Install - Sequence what first? - 25.Jul.2011 7:40:17 AM   
Gulab

 

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Agree and thats the best practice of Migration :)
If it doesn't work, kindly post it.

Cheers,

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Gulab Prasad,
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Post #: 4
RE: Upgrade Install - Sequence what first? - 25.Jul.2011 8:40:54 AM   
Roo

 

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Hi Thanks for the feedback.

Johan - Yes that's where I'm stuck. I can't seem to get any of the connectors working. I've seen some of your posts on how to delete and resubmit a routinggroup - but I still cant get mail travelling between 2003 and 2010 in either direction.

(in reply to jveldh)
Post #: 5
RE: Upgrade Install - Sequence what first? - 25.Jul.2011 8:57:03 AM   
Gulab

 

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Hello Roo,

That means that you don't have Bidirectional Connector between 2003 and 2010.

Run this command to create it:
New-RoutingGroupConnector -Name "Interop RGC" -SourceTransportServers "Hub2010.contoso.com" -TargetTransportServers "Bridgehead2003.contoso.com" -Cost 100 -Bidirectional $true

Note: You can have only one Bidirectional Connector.

_____________________________

Gulab Prasad,
Technology Consultant
Exchange Ranger
Check out CodeTwo’s tools for Exchange admins

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Post #: 6
RE: Upgrade Install - Sequence what first? - 25.Jul.2011 9:08:03 AM   
Roo

 

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This is how it currently looks - the remove may not have worked by the look of it and I'm having troubles removing now.


Name SourceRoutingGroup TargetRoutingGroup
Send to EX03BH internal EXTERNAL
Send to EX03MS EXTERNAL INTERNAL
Interop RGC Exchange Routing Group EXTERNAL
Interop RGC EXTERNAL Exchange Routing Group

EX03BH (Exchange 2003 bridgehead svr)
EX03MS (Exchange 2003 Mail svr)

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Post #: 7
RE: Upgrade Install - Sequence what first? - 25.Jul.2011 9:11:57 AM   
Gulab

 

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Run this command:
Get-RoutingGrouopConnector

You can check on 2003 Server, how many RGC do you have there.
Post the result.

_____________________________

Gulab Prasad,
Technology Consultant
Exchange Ranger
Check out CodeTwo’s tools for Exchange admins

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Post #: 8
RE: Upgrade Install - Sequence what first? - 25.Jul.2011 9:18:33 AM   
Roo

 

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1 In

Exchange Administrative Group -
"Exchange Routing Group" -
Connectors -
Interop RGC

(in reply to Gulab)
Post #: 9
RE: Upgrade Install - Sequence what first? - 25.Jul.2011 9:21:05 AM   
Gulab

 

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Did you ran the command which i gave you?

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Post #: 10
RE: Upgrade Install - Sequence what first? - 25.Jul.2011 9:25:47 AM   
Roo

 

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Hi,

Yes I have run that cmdlet.

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Post #: 11
RE: Upgrade Install - Sequence what first? - 25.Jul.2011 9:27:23 AM   
Gulab

 

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Restart the MS Exchange Transport Service and test the Mail flow.

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Technology Consultant
Exchange Ranger
Check out CodeTwo’s tools for Exchange admins

(in reply to Roo)
Post #: 12
RE: Upgrade Install - Sequence what first? - 25.Jul.2011 9:35:18 AM   
Roo

 

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Would I need to restart anything on the 2003 server(s)?

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Post #: 13
RE: Upgrade Install - Sequence what first? - 25.Jul.2011 9:39:33 AM   
Gulab

 

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NO

_____________________________

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Exchange Ranger
Check out CodeTwo’s tools for Exchange admins

(in reply to Roo)
Post #: 14
RE: Upgrade Install - Sequence what first? - 25.Jul.2011 9:44:39 AM   
Roo

 

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No still nothing. Everything still queuing in either direction

(in reply to Gulab)
Post #: 15
RE: Upgrade Install - Sequence what first? - 25.Jul.2011 9:51:33 AM   
Gulab

 

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Can you post the screenshot of your 2003 connector.

_____________________________

Gulab Prasad,
Technology Consultant
Exchange Ranger
Check out CodeTwo’s tools for Exchange admins

(in reply to Roo)
Post #: 16
RE: Upgrade Install - Sequence what first? - 25.Jul.2011 10:01:57 AM   
Roo

 

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Thanks - Sent Via PM

< Message edited by Roo -- 25.Jul.2011 10:09:23 AM >

(in reply to Gulab)
Post #: 17

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