In my previous article I have demonstrated how to configure two member Database Availability Group in single AD site. In this article I am demonstrating how to configure two member Database Availability Group in two AD Sites.
My Server setup details as follow.
| Server Description | Server Name | IP Address | Operating System | Application |
| Head Office – Colombo | ||||
| Domain Controller – HQ | dc.doitfixit.local | 192.168.1.100 | Windows Server 2008 R2 SP1 Standard Edition |
|
| Exchange Server (HUB/CAS/MBX) |
ex1.doitfixit.local |
MAPI: 192.168.1.102 |
Windows Server 2008 R2 SP1 Enterprise Edition |
Exchange Server SP2 |
| Branch Office – Kandy | ||||
| Domain Controller – Branch | dc2.doitfixit.local | 192.168.0.100 | Windows Server 2008 R2 SP1 Standard Edition |
|
| Exchange Server (HUB/CAS/MBX) |
ex2.doitfixit.local |
MAPI: 192.168.0.102 |
Windows Server 2008 R2 SP1 Enterprise Edition |
Exchange Server SP2 |
As shown in above table I am using separate network for Exchange Mailbox Replication. Also keep in mind Windows Server Enterprise Editions are required for configure DAG because it starts “Cluster Service” which required Enterprise editions of Windows servers.
And additional to the above server configuration details in my Virtual Lab, I have setup two Virtual Routers which configured as in this article. If you want any help with installing Exchange Server 2010 Please refer this article as well.
Now we can start the configuration.
First we have to configure the both network settings in our Exchange Mailbox servers. For more information regarding Network Configuration of configuring DAG refer this article at Technet.
See network settings of ex1.doitfixit.local exchange mailbox server below.
MAPI Network
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Replication Network
Remove “Register this connection’s addresses in DNS” tick.
Do the same changes to other exchange server also.
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We have configured each NIC in both Exchange Mailbox servers. Now we have to bring the MAPI network to top of the Bindings order. To do this press the ALT key, and then select Advanced > Advanced Settings.
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Use arrows to move the MAPI network to top of the connections.
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Now I am configuring the static routes between replication networks.
On the EX1 server.
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On the EX2 server.
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I am running Get-ExchangeServer | fl name,site,serverrole command to get all exchange servers in my organization. As shown in below image EX1 is on the Colombo site and EX2 is belongs to Kandy Site.
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We have DB01 Mailbox database in EX1 server and DB02 in EX2 server.
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No we can start configure the Database Availability Group.
Click below link to go to Part II of this step by step guide.
Part II – Exchange Server 2010 DAG Step by Step – Two member DAG in two AD Sites
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