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Exchange 2003 sp2 database limit

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just want to make sure the dismount size limit (on exchagne 2003 standard sp2) is 70gb or 75gb ?. and any limitation ( on incoming/outgoing mail) after database over 70Gb. and what can i do(the recovery steps) if the size is dismounted. thanks

2009年7月31日上午 09:27

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Hi Tonycd,

Exchange Server 2003 Standard Edition is limited to a single storage group with a single private information store database and a single public folder database. Prior to SP2, each database was limited to 16 GB of total physical size. SP2 increases the licensed database size limit for Exchange Server 2003 Standard Edition from 16 GB to 75 GB; the default configured database size limit will be 18 GB. Exchange Server 2003 Enterprise Edition storage group and Exchange store options do not change with the application of SP2. However, a configurable Exchange store size limit is added to the Enterprise Edition.

Exchange Server 2003 version	Licensed limit	Default configuration limit
Standard Edition before SP2	16 GB	Not applicable
Standard Edition with SP2	75 GB	18 GB
Enterprise Edition before SP2	8,000 GB (unlimited)	Not applicable
Enterprise Edition with SP2	8,000 GB (unlimited)	8,000 GB

So if you add Database Size Limit in Gb registry, the dismount size limit is 75 GB. However, if you don’t add Database Size Limit in Gb registry, the database size limit is 18 GB.

The Database Size Buffering in Percentage setting is a configurable error threshold that will warn you with an event log entry when your database is at or near capacity, and will shut down within 24 hours of the event being logged. By default, Exchange Server 2003 SP2 logs events when the database has grown to within 10 percent of the configured database size limit. This threshold is configurable. The smallest buffer is 1 percent of the configured size limit.

If you database size exceed 75 GB and is dismounted, you can try to upgrade Exchange Server standard edition to Exchange Server enterprise edition.

For more information about Upgrading from Exchange Server Standard Edition to the Enterprise Edition

http://support.microsoft.com/kb/170280

For other methods, please refer to the following articles:

Exchange Server 2003 mailbox store does not mount when the mailbox store database reaches the 16-GB limit

http://support.microsoft.com/kb/828070/

Database Size Limit Configuration and Management

http://technet.microsoft.com/en-us/library/aa998066(EXCHG.65).aspx

Rock Wang

Rock Wang– MSFT

已標示為解答 Rock Wang– MSFT 2009年8月11日上午 07:33

2009年8月1日上午 04:47

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Hi TonyCD

The size limit on Exchange 2003 SP2 is 75GB.

<<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.
>>
Hope you find the following URL useful.
http://support.microsoft.com/kb/912375

Please forgive me if I mis-understood your questions.

Many thanks

Chi
Chi

2009年7月31日下午 01:29