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How to increase the Exchange Server 2003 Service Pack 2 18-gigabyte database size limit
Article ID: 912375 - View products that this article applies to.
New functionality has been included with Microsoft Exchange Server 2003 Service Pack 2 (SP2). You can now configure database size limits.
The database size limits for Microsoft Exchange Server 2003 Standard Edition have been increased from 16 GB to 18 GB. The limit can be increased to as much as 75 GB by using a registry key.
Microsoft Exchange Server 2003 Enterprise Edition does not have a maximum database size limit.
For more information about how to set the database size limit, see the Exchange Server 2003 Help topic. The Help topic was updated during the installation of Exchange Server 2003 SP2.
Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/322756/ )How to back up and restore the registry in Windows
To have us increase the Exchange Server 2003 Service Pack 2 database size limit for you, go to the "Fix it for me" section. If you prefer to fix this problem yourself, go to the "Let me fix it myself" section.
Fix it for me
To fix this problem automatically, click the Fix it button or link. Click Run in the File Download dialog box, and then follow the steps in the Fix it wizard.
Increase the Exchange Server 2003 SP2 database size limit
Microsoft Fix it 50521
Then, go to the "Did this fix the problem?" section.
Let me fix it myselfTo increase the Exchange Server 2003 SP2 database size, follow these steps:
Important Before you increase the maximum size of an Exchange database, verify that sufficient hard disk space is available for the larger database.
For more information about how to configure the new database size limit when you use Exchange Server 2003 SP2, visit the following Microsoft Web site:
http://technet.microsoft.com/en-us/library/aa998066.aspxFor more information about how to temporarily increase the database size in Exchange Server 2003 Service Pack 1 or an earlier version of Exchange Server 2003, click the following article number to view the article in the Microsoft Knowledge Base:
828070For more information about how to temporarily increase the database size in Exchange 2000 Server, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/828070/ )Exchange Server Mailbox Store does not mount when the Mailbox Store database reaches the 16-GB limit
(http://support.microsoft.com/kb/813051/ )How to temporarily increase the Exchange 2000 16-gigabyte database size limit
Did this fix the problem?