Monday, June 7, 2010

Delete Storage Group {system attendant and system mailboxes only 2003}

• We can delete first storage group, however you must perform the following steps before do that.

1. First move all the mailboxes in the first storage group to another storage group,
2. Then need to move System Attendant Mailbox. For more information about how to do that, refer to the following steps.

Moving the Exchange System Attendant Mailbox

The System Attendant mailbox on an Exchange server is used by the system for passing messages such as Server Monitor notifications. This account is created in the First Storage Group\Mailbox Store server name database when Exchange is installed. You cannot delete this database until the System Attendant mailbox has been moved to a different database on the same server.

You may not need to move the System Attendant mailbox to accomplish your purpose. If you simply want to rename storage groups and databases, right-click the names in Exchange System Manager and then click rename. If you want to move the database that contains the System Attendant mailbox to another server or storage group, you must move the mailbox. If you do not move the mailbox, notifications and other messages handled by the System Attendant are not sent, although most other server functions will not be affected.

After you move the System Attendant mailbox, you cannot move it back to the original database unless you physically delete and then re-create the original database.

Before you move the mailbox, make a backup of the current database.

To move the System Attendant mailbox:

1. Change the homeMDB attribute of the Microsoft System Attendant object for the server to reflect the new database. For example, if the homeMDB value is CN=Mailbox Store (SERVER1),CN=First Storage Group,CN=InformationStore,CN=SERVER1,CN=Servers,CN=First Administrative Group,CN=Administrative Groups,CN=First Organization,CN=Microsoft Exchange,CN=Services,CN=Configuration,DC=mycompany,DC=com and you want to move the
System Attendant mailbox to a database called DB2 in storage group Second, change the homeMDB value to
CN=DB2,CN=Second,CN=InformationStore,CN=SERVER1,CN=Servers,CN=First Administrative Group,CN=Administrative Groups,CN=First Organization,CN=Microsoft Exchange,CN=Services,CN=Configuration,DC=mycompany,DC=com The System Attendant object for each Exchange server is located in the Configuration container of your Active Directory forest. The path to it is: CN=Microsoft System Attendant,CN=[server name],CN=Servers,CN=[administrative group name],CN=Administrative Groups,CN=[organization name],CN=Microsoft Exchange,CN=Services,CN=Configuration

2. Stop and restart all Exchange services.

3. Run the Mailbox Cleanup Agent against the original database. To access the Cleanup Agent, right-click the Mailboxes object for the database. After you run the Cleanup Agent, the original System Attendant mailbox should have a red X next to it, indicating that it is no longer connected to an Active Directory object.

4. Right-click the disconnected System Attendant mailbox, and then permanently delete the mailbox. Warning After you complete this step, you cannot move the mailbox back to the original database. To move it back, you must delete the physical database files, and allow a fresh database to be re-created.

5. From a client workstation, send a mail message to the System Attendant mailbox, requesting a delivery receipt. Address the message in the following format, including use of the square brackets: [SMTP ERVERNAME-SA@domain.com]

6. Monitor the Application Log carefully for errors relating to the System Attendant mailbox.

3. Replicate any public folders in the first storage group to another server.

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Or

• 1. Change the homeMDB attribute of the Microsoft System Attendant object for the server to reflect the new database. For example, if the  homeMDB value is
CN=Mailbox Store (SERVER1),CN=First Storage Group,CN=InformationStore,CN=SERVER1,CN=Servers,CN=First  Administrative  Group,CN=Administrative Groups,CN=First Organization,CN=Microsoft
Exchange,CN=Services,CN=Configuration,DC=mycompany,DC=com
and you want to move the System Attendant mailbox to a database  called DB2 in storage group Second, change the homeMDB value to CN=DB2,CN=Second,CN=InformationStore,CN=SERVER1,CN=Servers,CN=First
Administrative Group,CN=Administrative Groups,CN=First Organization,CN=Microsoft
Exchange,CN=Services,CN=Configuration,DC=mycompany,DC=com The System
Attendant object for each Exchange server islocated in the Configuration container of your Active Directory
forest.
The path to it is:
CN=Microsoft System Attendant,CN=[server name],CN=Servers,CN=[administrative group name],CN=Administrative Groups,CN=[organization name],CN=Microsoft Exchange,CN=Services,CN=Configuration

Note There are several ways to edit the homeMDB value. You can use the Adsiedit tool, the LDP tool, or the LDIFDE tool. Step-by-step instructions for editing the homeMDB value
with LDIFDE are provided at the end of this article.

2. Stop and restart all Exchange services.
3. Run the Mailbox Cleanup Agent against the original database. To access the Cleanup Agent, right-click the Mailboxes object for the database. After you run the Cleanup Agent, the original System
Attendant mailbox should have a red X next to it, indicating that it is no longer connected to an Active Directory object.
4. Right-click the disconnected System Attendant mailbox, and then permanently delete the mailbox. Warning After you complete this step, you cannot move the mailbox back to the original database. To move it back, you must delete the physical database files, and allow a fresh database to be re-created.

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