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Que Database size

Posted on 2009-04-09
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Last Modified: 2012-08-13
why mail.Que witch is queue database file in exchange server hub transport role is too big !!! in my server this file is about 13 GB !
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Question by:Mapnaturbine
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by:flyingsky
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mfhorizon earned 125 total points
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FRIENDLY QUOTE FROM THIS ARTICLE: http://www.eggheadcafe.com/conversation.aspx?messageid=33508192&threadid=33430509

"Different queues are stored in a single ESE database. By default,
this queue database is located at C:\Program Files\Microsoft\Exchange
Server\TransportRoles\data\Queue.

Like any ESE database, the queue database uses log files to accept, track,
and maintain data. To enhance performance, all message transactions are
written first to log files and memory, and then to the database file. The
checkpoint file tracks the transaction log entries that have been committed
to the database. During an ordinary shutdown of the Microsoft Exchange
Transport service, uncommitted database changes that are found in the
transaction logs are always committed to the database.

Circular logging is used for the queue database. This means that the
history of committed transactions that are found in the transaction logs is
not maintained. Any transaction logs that are older than the current
checkpoint are immediately and automatically deleted. Therefore, the
transaction logs cannot be replayed for queue database recovery from
backup. Please see:


Managing the Queue Database
http://technet.microsoft.com/en-us/library/aa996006.aspx

How to Change the Location of the Queue Database
http://technet.microsoft.com/en-us/library/bb125177.aspx

Managing Queues
http://technet.microsoft.com/en-us/library/bb125022(EXCHG.80).aspx

please ensure that the Antivirus software on the Hub Transport
server has been excluded to scan the folder where the mail.que database
file exists. By default, the file is saved in C:\Program
Files\Microsoft\Exchange Server\TransportRoles\data\Queue.
"
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