Understanding Exchange Log files

jskfan
jskfan used Ask the Experts™
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When Exchange receives and email, it first writes it to a log file then commited to the database.
However I noticed under the physical maibox database folder, many E0000000x text documents.
Does that mean the emails that are written to E0000000x text documents have not been received by users (receivers) ? or even when they get commited they stay there untill full back of the DB is applied.

any insight on this will be helpful

thanks
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What version of exchange are you using? I think you be referring to the message tracking logs.
Hi,

Yes, you are correct. Even though logs are committed, they will stay there till full backup of DB is completed. The files will be having .log extension. Full backup and Incremental backup will purge these log files. Differential and Copy backups will not purge log files.

Following article is a good read regarding log files.

http://exchangeserverpro.com/exchange-2010-faq-disk-filling-log-files/

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