This week as I was preparing to migrate Exchange 2010 to Exchange 2013 I found out that my previous predecessor did not decommission legacy Exchange 2003 properly.
When I ran get-exchangeserver, the older 2003 server was still showing. The public folder was still located in the Exchange 2003 Admin group. When i ran get-routinggroupconnecter, it show the old connector.
Here is how to move the public Folder Hierarchy from Exchange 2003 Admin group to the New Exchange 2010 Admin Group:
Information
User is migrating from Exchange 2003 to Exchange 2007 or 2010 and wants to move the public folder hierarchy from the Exchange 2003 “First Administrative Group” to the new Exchange 2007/2010 “Exchange Administrative Group (FYDIBOHF23SPDLT)” to continue decommission the old Exchange 2003 Admin Groups.
Details
Use one of the following procedures to move the public folder hierarchy to a new Admin Group:
Using exchange system manager:
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Logon to the Exchange Server 2003 server and open the Exchange System Manager snap-in.
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Expand the Administrative Groups and right-click the Exchange Administrative Group (FYDIBOHF23SPDLT) , select New and select Public Folders Container .
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Then expand the old First Administrative Group , expand Folders and move the Public Folders tree to the Public Folders container you created in the previous step by dragging the Public Folders tree object and dropping it to Folders under Exchange Administrative Group (FYDIBOHF23SPDLT) .
Using ADSIEdit tool:
If already uninstalled all Exchange 2003 servers and do not have any Exchange System Manager elsewhere to use, same can be done with ADSIEdit.
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Create the new Public Folders container:
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Use ADSI Edit tool to locate and expand Exchange Administrative Group (FYDIBOHF23SPDLT) object, which can be found at:CN=Configuration,CN=Services,CN=Microsoft Exchange,CN=Organization,CN=Administrative Groups.
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Right-click the Exchange Administrative Group (FYDIBOHF23SPDLT) object, click New , and then click Object .
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In the Select a class list, select msExchPublicFolderTreeContainer , and then click Next .
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In the Value box, type Folder Hierarchies , click Next , and then Finish .
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Move the public folder hierarchy:
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Use ADSI Edit tool to locate the Public Folders object in Active Directory.
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CN=Configuration,CN=Services,CN=Microsoft Exchange,CN=Organization,CN=Administrative Groups,CN=Administrative group,CN=Folder Hierarchies,CN=Public Folders.
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In the right pane select CN=Public Folders , righ
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Removing Exchange 2003 from the server object using ADSI edit.
After deleting the server, when I ran get-exchangeserver, it only showed 2010.
To remove the routing group connector:
get-routinggroupconnector | remove-routinggroupconnector