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XGEN: How to Use LDP to Discover Mail-Enabled Users

This article was previously published under Q279220
This article describes how to determine if a user is located on an Exchange 2000 server.

Method 1: Use the Ldp.exe Utility

Use the Ldp.exe utility to determine if a particular user is located on an Exchange 2000 server:
  1. Start Ldp.exe.
  2. Click Connection, and then click Connect.
  3. Type the name of a domain controller that hosts the Configuration container, and then click OK.
  4. Click Connection, and then click Bind.
  5. Type the user name, password, and domain name of an administrative account, and then click OK.
  6. Click View, click Tree, leave Base DN blank, and then click OK.
  7. In the left pane, expand the following objects:
    • Your Domain
    • Configuration
    • Services
    • Microsoft Exchange
    • Your Organization
    • Administrative Groups
    • Your Administrative Group
    • Servers
    • Your Server
    • InformationStore
    • First Storage Group
    • Mailbox Store (SERVERNAME)

  8. In the right pane, scroll to the bottom of the screen to see all the attributes for that mailbox store. Look for the homeMDBBL attribute, which should look similar to the following:
    5> homeMDBBL: CN=John Smith,CN=Users,DC=company,DC=com; CN=Jan Smith,CN=Users,DC=company,DC=com; CN=SystemMailbox{1A5E0095-2AA3-4579-AB26-872B74AA19F0},CN=Microsoft Exchange System Objects,DC=company,DC=com; CN=SMTP (SMITHS16-{1A5E0095-2AA3-4579-AB26-872B74AA19F0}),CN=Connections,CN=Microsoft,CN=Microsoft Exchange,CN=Services,CN=Configuration,DC=company,DC=com; CN=Microsoft System Attendant,CN=SMITHS16,CN=Servers,CN=PTAG,CN=Administrative Groups,CN=Microsoft,CN=Microsoft Exchange,CN=Services,CN=Configuration,DC=company,DC=com;
    The 5> before the homeMDBBL attribute name indicates that there are five mailboxes on this server. If you look at these individually, you can see the various users that have mailboxes on this server:
    • CN=John Smith,CN=Users,DC=company,DC=com
    • CN=Jan Smith,CN=Users,DC=company,DC=com
    • CN=SystemMailbox{1A5E0095-2AA3-4579-AB26-872B74AA19F0},CN=Microsoft Exchange System Objects,DC=company,DC=com
    • CN=SMTP SMITHS16-{1A5E0095-2AA3-4579-AB26-872B74AA19F0}),CN=Connections,CN=Microsoft,CN=Microsoft Exchange,CN=Services,CN=Configuration,DC=company,DC=com
    • CN=Microsoft System Attendant,CN=SMITHS16,CN=Servers,CN=PTAG,CN=Administrative Groups,CN=Microsoft,CN=Microsoft Exchange,CN=Services,CN=Configuration,DC=company,DC=com
For more information about how to use Ldp.exe, see the LDP documentation in the Microsoft Windows 2000 Resource Kit, or, for additional information, click the article numbers below to view the articles in the Microsoft Knowledge Base:
246926 Folder Listing of the Support Tools Included in Windows 2000
224543 Using Ldp.exe to Find Data in the Active Directory

Method 2: Use Active Directory Users and Computers

  1. Open Active Directory Users and Computers on a computer that has Exchange System Manager installed.
  2. In the Active Directory Users and Computers console, click View, and then click to select the Advanced Features check box, and then click OK.
  3. Click View, and then click Choose Columns.
  4. In the Modify Columns box, click Exchange Mailbox Store in the Hidden Columns list, click Add, and then click OK to add the Exchange Mailbox Store to the "Displayed Columns" list.
An "Exchange Mailbox Store" column appears in the Active Directory Users and Computers console, which shows the mailbox store on which a user has a mailbox.
ldp exchange 2000 active directory howto

Article ID: 279220 - Last Review: 02/27/2007 16:55:51 - Revision: 1.4

  • Microsoft Exchange 2000 Server Standard Edition
  • kbhowto KB279220