Transition from Exchange Server 2003 to Exchange Server 2010 – Part 3

Final part includes Moving mailboxes and Public folders and then decommissioning the last Exchange Server 2003 from the ORG.

Before replicating Public Folders please perform a complete database backup. Both online and offline copy.

Important : Never perform MoveAllReplicas operation. Although the option is available but it may turn to a catastrophe and you may end up losing data.

Go slow by adding replicas on each folders manually or you can follow the built in script available in Exchange Server 2010.

Run the below command to get the basic information. You have to run the command from Exchange Server 2010 Powershell window.


Figure 1 : Confirming PF replicas

To add the Public folder relicas follow the below commands.


Figure 2 : Setting the location

In figure 2 we have set the location for script folder, since it holds all the built in script.

Now run the below commands.

First to add the replicas on each folders.

  • AddReplicatoPFRecursive.ps1 –TopPublicFolder “\FolderName” -ServerToAdd NewServerName

Second confirm by running the below command.

  • Get-Publicfolder –recurse | fl name,replicas

Third Confirm if all folders are in sync. Post which remove replicas by running the following command.

  • RemoveReplicaFromPFRecursive.ps1 –TopPubicFolder “\FolderName” –Server toRemove servername

Now again confirm the PF replica status.


Figure 3 : Replica status

Confirm with test mailbox if all is accessible including FB data.

Post confirmation delete the PF store in Exchange Server 2003. Login to ESM and right click PF database and select Delete.


Figure 4 : Deleting the PF Store


Figure 5 : Selecting the new PF Store.

In Figure 5 we are associating the PF store with the PF hierarchy.


Figure 6 : Click Yes


Figure 7 : Removal Succeeded


Figure 8 : PF Database not visible in ESM

Now that PF is replicated and PF database is removed completed. Its time to move the mailboxes.

Login to Exchange Server 2010 and open EMC. Navigate to Mailbox under Recipient Configuration.


Figure 9 : Move Mailbox


Figure 10 : Options


Figure 11 : Completion

Now Move OAB. To do that Navigate to Organization Configuration and select Mailbox > In the right hand pane select “Offline Address Book” tab.


Figure 12 : OAB

Right click the default OAB and select move.


Figure 13 : Move

In figure 13 select Browse


Figure 14 : Select Mailbox Server


Figure 15 : Move Completed


Figure 16 : Finish

Enable distribution mechanism. In 2010 we can have both PF and Web based.


Figure 16 : Changing the distribution.

Now its time to create connectors for sending and receiving emails from Internet.

Go to Organization Configuration and Select Hub Transport. In the right pane Select Send Connectors Tab


Figure 17 : Default Send Connectors

Click on New Send Connector on the Actions Pane.


Figure 18 : New Send Connector Wizard


Figure 19 : Address Space


Figure 20 : Network Settings


Figure 21 : Source Server


Figure 22 : Completion

Now its time to configure Default Receive Connector

Go to Server Configuration and Select Hub Transport


Figure 23 : Default Receive Connector Properties.

Under permission groups. Select as shown above.

Post which now its time to Decommission Exchange Server 2003. Before removing the server there are certain checks needs to be performed.

  • Delete the RGC from Exchange Server 2010 Shell by running “Get-RoutingGroupConnector | Remove-RoutingGroupConnector”
  • Delete both Domain Rus and Enterprise Rus. This can be done from ADSIEDIT.


Figure 24 : Delete Domain RUS and Enterprise RUS

Now we are at the final stage of Removing Exchange Server 2003.

Login to Exchange Server 2003 and Go to Control Panel. Add remove programs.

Select Microsoft Exchange.


Figure 25 : Wizard will open


Figure 26 : Component Selection


Figure 27 : Remove


Figure 28 : Summary


Figure 29 : Locate the Setup Disk or Setup file (mandatory)


Figure 30 : Successful

Transition Completed


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