How to recover databases that were created while using a trial version of Exchange Server 2003 Enterprise Edition or Exchange 2000 Enterprise Server (840015)

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If a trial version of Exchange Server 2003 Enterprise Edition or Exchange 2000 Enterprise Server expires, you can restore the information store databases to an installation of Exchange Server 2003 Standard Edition or Exchange 2000. We recommend that you install a licensed version of Exchange Server 2003 Enterprise Edition or Exchange 2000 Enterprise Server over the existing trial version. However, if you decide to install Exchange Server 2003 Standard Edition or Exchange 2000 Standard, you must use the same naming conventions that you used in the Exchange Server 2003 Enterprise Edition or Exchange 2000 Enterprise Server configuration.

Note You can only restore the information store if the databases are 16 gigabytes (GB) or smaller.

Note If you created multiple storage groups or databases while Exchange Server 2003 Enterprise Edition or Exchange 2000 Enterprise Server was installed, you will not be able to recover these databases.

To remove Exchange Server 2003 Enterprise Edition or Exchange 2000 Enterprise Server from your computer and install Exchange Server 2003 Standard Edition or Exchange 2000, follow these methods:

Step 1: Back up the information store database files

Make a backup copy of the following database files. By default, these files are located in the Drive:\Program Files\Exchsrvr\MDBDATA folder. In this path, Drive is the hard disk that Exchange Server 2003 Enterprise Edition or Exchange 2000 Enterprise Server is installed on.

• Priv1.edb
• Priv1.stm
• Pub1.edb
• Pub1.stm
• Edb.chk
• All files with the .log file name extension

Step 2: Remove Exchange attributes from existing user accounts

For more information about how to remove Exchange attributes from existing user accounts, click the following article number to view the article in the Microsoft Knowledge Base:

Step 3: Remove Exchange Server 2003 Enterprise Edition or Exchange 2000 Enterprise Server from your computer

To remove Exchange Server 2003 Enterprise Edition or Exchange 2000 Enterprise Server from your computer, follow these steps:

1. Click Start, click Run, type Appwiz.cpl, and then click OK.
2. Click the version of Exchange that you had installed, and then click Change/Remove.
3. Follow the instructions on the screen to remove Exchange Server 2003 Enterprise Edition or Exchange 2000 Enterprise Server from your computer.

Note If you cannot use the Add or Remove Programs Control Panel item to remove Exchange Server 2003 Enterprise Edition or Exchange 2000 Enterprise Server from your computer, you can remove Exchange Server 2003 Enterprise Edition or Exchange 2000 Enterprise Server manually.

For more information about to manually remove Exchange 2000, click the following article number to view the article in the Microsoft Knowledge Base: For more information about how to manually remove Exchange 2003, click the following article number to view the article in the Microsoft Knowledge Base:

Step 4: Install Exchange Server 2003 Standard Edition or Exchange 2000 with the ForestPrep option

For more information about how to install Exchange Server 2003 Standard Edition or Exchange 2000 with the ForestPrep option, click the following article number to view the article in the Microsoft Knowledge Base: Note When you click Create a New Exchange Organization, configure the installation to use the organization name that you used in the trial version.

Step 5: Configure the mailbox store

Configure the existing mailbox store so that it can be overwritten during a restore. To do this, follow these steps:

1. Click Start, point to Programs, point to Microsoft Exchange, and then click System Manager.
2. In the left pane, expand Servers, expand the server that you installed Exchange on, and then expand the storage group.
   
   Note In Exchange 2000, you must first expand Administrative Groups, and then expand the administrative group where the mailbox store is located.
3. Right-click Mailbox Store, and then click Properties.
4. On the Database tab, click This database can be overwritten by a restore, and then click OK.

Step 6: Copy the database files from the trial version

Copy the database files that you backed up in the "Step 1: Back up the information store database files" section. To do this, follow these steps:

1. Stop the Microsoft Exchange Information Store service.
2. Click Start, click Run, type Drive:\Program Files\Exchsrvr, and then click OK.
   
   Note In this path, Drive is the hard disk that Exchange Server 2003 Standard Edition or Exchange 2000 is installed on.
3. Right-click MDBDATA, click Rename, and then type MDBData.bak.
4. Copy the files that you backed up in the "Step 1: Back up the information store database files" section to the MDBDATA folder.
5. Start the Microsoft Exchange Information Store service.

Step 7: Mount the mailbox store and the public folder store

To mount the mailbox store and the public folder store, follow these steps:

1. Click Start, point to Programs, point to Microsoft Exchange, and then click System Manager.
2. In the left pane, expand Servers, expand the server that you installed Exchange on, and then expand the storage group.
   
   Note In Exchange 2000, you must first expand Administrative Groups, and then expand the administrative group where the mailbox store is located.
3. Right-click Mailbox Store, and then click Mount Store.
4. Right-click Public Folder Store, and then click Mount Store.

Step 8: Associate mailboxes with user accounts

For more information about how to use the Mbconn utility in Exchange 2000 to create Active Directory directory service accounts for information store mailboxes, click the following article number to view the article in the Microsoft Knowledge Base: For more information about how to manually reconnect mailboxes to Active Directory users, click the following article number to view the article in the Microsoft Knowledge Base: