What is the best way to clean up Exchange Server 2003 Logs?

I am in the process of moving mailboxes from other sites, which of course, will make our Exchange logs grow.  Is there one good way to keep the logs to a minimal size?  Is there a way to automate this?  My Exchange server crashed this morning due to the logs getting out-of-control.  I cannot expand disk space at all (I inherited this "challenge" when I started here) so I am limited there.  I know that it is not a good idea to compress the log files.  Is it a good idea to archive them?  The idea of archiving anything to do with Exchange around here is to burn files to DVD (i'm trying to convince the higher ups otherwise).
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Glen KnightCommented:
You may want to consider turning on Circular logging whilst you are moving mailboxes.

This will stop the log files being generated during the move.

It is essential to ensure you have good backups and that you turn circular logging back off when you have finished.

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Brian PiercePhotographerCommented:
The way to stop the logs getting out of control under normal conditions is to do a full exchnage backup on a regular basis which will purge the logs. As a temporary measure, if you a are doing a lot of maintenence, then you can enable circular logging, but revert to proper logging asap once the work is over.
Are you running backup for your exchange servers. A sucessfull Full/Incremental abckup will clear all logs. If not check the settings for your backup jobs.
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