Part 3 – Decomission

Migrate all public folder replicas.

Log onto Exchange 2003 system manager.

Right click on public folders and choose “migrate all replicas”

Create New Public Folder Hierarchy

Open Exchange system manager 2003. Right click in the Exchange 2010 administrative group and create a new public folder.

Then drag the public folder contents from the SBS administrative group to the new public folder you have just created.

You can now uninstall exchange 2003. Do this via add/remove programs in the control panel. It will probably say it can’t uninstall at first because there are still mailboxes on the exchange 2003 server or it is referenced in a connector. Act accordingly.

Delete old server from AD

You may want to make a backup before doing this.

  • Open adsiedit.msc
  • Go to Configuration – CN=Services – CN=Microsoft Exchange – CN=<ORG Name> – CN=Administrative Groups – CN= <Old Exchange 2003 group>
  • Delete the old server entry
  • Go to CN=Address Lists Container, and then select CN=Recipient Update Services.
  • In the result pane, right-click Recipient Update Service (Enterprise Configuration), click Delete, and then click Yes to confirm the deletion.

After the last exchange server has been removed you should run this command:

  • Remove-ADPermission “dc=<Domain>” -user “<RootDomain>\Exchange Enterprise Servers” -AccessRights WriteDACL -InheritedObjectType Group

For further reading


Check Group Permissions

  • In Active Directory make sure that the Exchange server is still a member of the Exchange Domain Servers group and make sure that Exchange Domain Servers group is a member of Exchange Enterprise Servers group.
  • I would also recommend adding the exchange server’s computer object to the domain admins group.

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