Ever tried to remove Exchange 2003 after you moved all mailboxes to Exchange 2010 SP1. And got this annoying error that was telling you that a user still has a mailbox in the information store on the exchange server that you were trying to remove??
Read on and find out how to discover this orphan user.
Method 1 (Active Directory Users and Computers):
- Right-click the domain container, and then click Find
- Select the Exchange tab
- Check the "Show only Exchange recipients" check box
- Check the "Users with Exchange mailbox" check box
- Click Find Now
- On the View menu, click Choose Columns
- Select "Exchange Home Server" in the Columns available list and click Add
- Click OK
- Click the Exchange Home Server column to sort the results
The server that appears in this column is the same value that appears in the msExchHomeServerName attribute.
Method 2 (Active Directory Users and Computers):
- Right-click the domain container, and then click Find
- Select the Advanced tab
- Select User from the Field button
- From the list of attributes displayed, choose Exchange Home Server
- Set the Condition field to Ends With
- Enter the Exchange server name into the Value field
- Click Add
- Click the Find
Method 3 (ADSIEdit.msc from Support Tools): *
- Expand server.domain.com
- Expand CN=Configuration,DC=domain,DC=com
- Expand CN=Services
- Expand CN=Microsoft Exchange
- Expand CN=OrganizationName
- Expand CN=Administrative Groups
- Expand CN=AdministrativeGroupName
- Expand CN=Servers
- Expand CN=ServerName
- Expand CN=Information Store
- Expand CN=StorageGroupName
- Right-click CN=Mailbox Store (ServerName) and select Properties
- In the Select a property to view list click homeMDBBL
* Warning: I'm not liable for damage to your Domain or Exchange environment when using this blog. It's on your own risk to use Adsiedit, or other advises mentioned above.
Only experienced users should use this powerfull tool. Others just use the first two steps.
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