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Posted on 2011-03-16
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Last Modified: 2012-05-11
I have an Microsoft Exchange 2003Server.  It has a lot of log files on the server that fill up the System partion.
how can resolve this and prevent for the future?

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Question by:edualain_1
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Assisted Solution

by:Snibborg
Snibborg earned 166 total points
ID: 35149288
Log files are usually purged when you take a backup of the server.  My first concern would be to check that the backups are working correctly.

You should move the log files to another partition dedicated to this purpose, leaving them on the system drive will cause problems with the servers stability.

Finally, if you have no other alternatives you can invoke circular logging.  This will control the size of your log file list but has the unenviable side effect of losing data integrity if there is a hard disk failure.

Here is a link for turning circular logging on and off: http://support.microsoft.com/kb/314605

Here is a link to move your log files: http://support.microsoft.com/kb/821915

Snibborg
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Author Comment

by:edualain_1
ID: 35149301
how can move it whit out down time
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LVL 1

Expert Comment

by:endege
ID: 35149349
You can use circular logging.

Circular logging allows Exchange Server to overwrite transaction log files after the data that the log files contain has been committed to the database. However, if circular logging is enabled, you can recover Exchange Server data only up until the last full backup.

Turn on or turn off circular logging

    Click Start, point to Programs, point to Microsoft Exchange, and then click System Manager.
    Expand Server, right-click the storage group that you want to change, and then click Properties.
    In the Properties dialog box, click to select or clear the Enable Circular Logging check box to turn circular logging on or off.
    Click OK. When you are prompted to confirm that you want to continue, click Yes.
    Restart the Microsoft Exchange Information Store service. To do this, follow these steps:
        Click Start, point to Programs, point to Administrative Tools, and then click Services.
        In the right pane, click Microsoft Exchange Information Store. Then, click Restart on the Action menu. If you receive a message that other services will also be restarted, click Yes.
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Auric1983 earned 168 total points
ID: 35149529
Its not recomended by MS to use circular logging without a DAG,

If you have the space on another partition I'd recomend the following.
1. Perform full backup of ex db
2. Move log file location to other drive

Downtime should be minimal assuming no issues.
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LVL 95

Assisted Solution

by:Lee W, MVP
Lee W, MVP earned 166 total points
ID: 35149625
A proper backup of the information store does not have download and removes the logs - use NTBackup to backup the information store and you should be fine (you should be doing this or using another proper Exchange Aware Backup).
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Expert Comment

by:Tolomir
ID: 35422550
This question has been classified as abandoned and is closed as part of the Cleanup Program. See the recommendation for more details.
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