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Posted on 2006-07-19
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Someone told me that MS Exchange servers can do a kind of backup where it checks if files have been accessed within the last X number of months, and if not, does not back them up every night.  But yet it still makes those files available for users.  Do you know how this works?  If so, can we discuss?

Our backup is getting too huge and takes up too much time and the problem is not going to go away.


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Question by:cstallings
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pbeckford earned 2000 total points
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MS Exchange Server itself does not perform backups. You must use third party backup utilities but with Exchange installed, the native Windows backup utility (ntbackup.exe) becomes Exchange aware and is able to backup your Exchange Server.

In fact, you must use an Exchange aware backup utility in able to purge your exchange logs which will simply grow until all available disk space is used or else turn on circular logging for the exchange server.

Depending on your Exchange aware backup application, there are different options for backing up the exchange server. For example, you could do a full backup(database and logs) on a weekly basis and a then an incremental or differential (logs only) backup on weekdays which would limit the size of your backups.

Alternatively, if you think your database is getting too huge, you can do an offline defrag of your exchange store but this should not be considered a regular maintenance task, at least not with with Exchange 2000/2003.
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