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Exchange 2007 Database Size limit

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  • Exchange 2007 Database Size limit

    Even though many experts say exchange 2007 database doens't have any limitation we got the following info in the event viwer today.

    Log Name: Application
    Source: MSExchangeIS Mailbox Store
    Date: 2/11/2009 5:00:00 AM
    Event ID: 1221
    Task Category: General
    Level: Information
    Keywords: Classic
    User: N/A
    Computer: servername.domain.co.in
    Description:
    The database "First Storage Group\Mailbox Database" has 1 megabytes of free space after online defragmentation has terminated.
    Event Xml:
    <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
    <System>
    <Provider Name="MSExchangeIS Mailbox Store" />
    <EventID Qualifiers="16390">1221</EventID>
    <Computer>servername.domain.co.in</Computer>
    <Data>First Storage Group\Mailbox Database</Data>

    We have installed Exchange 2007 SP1 on Win 2008 Sp1 (64Bit both standard edition).

    I had gone through one of the old twicking of increasing exchange 2003 database limit which mentions.
    1> Go to registry
    HKEY_LOCAL_MACHINE\System\CurrentControlSet\Servic es\MSExchangeIS\Server name\Private-Mailbox Store GUID
    2>Create a new DWORD entry called "Database Size Limit in Gb" and give it the appropriate value for maximum database size in GB.

    In 64Bit registry when go to 1st step mention above and right click to create the 2nd step it shows... DWord(32Bit) and QWord(64Bit).

    Can anyone suggest
    1>Which registry word to be used?
    2> Why it's still showing the limitation in terms of database size?

    Thanks
    Svaibh

  • #2
    Re: Exchange 2007 Database Size limit

    Event Id 1221 doesn't have anything to do with the size or size limit of the database. Event ID 1221 is telling you how much "white space" is in the physical file after online defragmenting has taken place. Event ID 9688 will tell you what the current size and the limit of the database size is. You can reboot the server to generate Event ID 9688.

    Comment


    • #3
      Re: Exchange 2007 Database Size limit

      If your Exchange 2007 is standard then the default database size limit is 50GB. Enterprise edition of Exchange 2007 doesn't have database size limit.

      Comment


      • #4
        Re: Exchange 2007 Database Size limit

        Originally posted by biksuni View Post
        If your Exchange 2007 is standard then the default database size limit is 50GB. Enterprise edition of Exchange 2007 doesn't have database size limit.
        That isn't quite correct. With Exchange 2007 standard at RTM the soft limit is 50gb, with Exchange 2007 SP1 it is 250gb, both by default.

        Simon.
        --
        Simon Butler
        Exchange MVP

        Blog: http://blog.sembee.co.uk/
        More Exchange Content: http://exchange.sembee.info/
        Exchange Resources List: http://exbpa.com/
        In the UK? Hire me: http://www.sembee.co.uk/

        Sembee is a registered trademark, used here with permission.

        Comment


        • #5
          Re: Exchange 2007 Database Size limit

          I'm going to add my inquiry to this post...

          So you have a maximum database limit on exchange 2003/2007 standard of 75 GB.

          Is that per Administrative group?

          For instance you have the First Storage Group and a Second and a Third, etc, etc..

          Does this mean I can have 75 GB per database in each storage group or would I have to upgrade to Exchange 2003 enterprise to use the 8 TB limit?

          Comment


          • #6
            Re: Exchange 2007 Database Size limit

            The 75gb limit applies to standard edition only. With standard edition you can only have one database. If you want more than 75gb of mailbox data you need to either upgrade to Enterprise edition of Exchange 2003 or more practically Exchange 2007 standard. You cannot purchase Exchange 2003 enterprise any longer, so you would have to purchase Exchange 2007 and use downgrade rights. If I was purchasing Exchange 2007 I would want to use it, not just put it on the shelf.

            For Exchange 2007, the limits a non-issue.

            Simon.
            --
            Simon Butler
            Exchange MVP

            Blog: http://blog.sembee.co.uk/
            More Exchange Content: http://exchange.sembee.info/
            Exchange Resources List: http://exbpa.com/
            In the UK? Hire me: http://www.sembee.co.uk/

            Sembee is a registered trademark, used here with permission.

            Comment

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