What causes the rapid increase of transaction logs in Exchange 2010?

Asked By 20 points N/A Posted on -


We have two (2) SP1 2010 Exchange servers consisting of two (2) Database Mailboxes put up as a DAG. Our customers more or less two of them are all using Outlook 2010 in their Personal Computers.

Recently, we observed that the transaction logs were increasing rapidly than expected – it increases to more than 30GB since our previous full back-up during the weekend.

I observed that outside ordinary office hours we’re receiving the expected quantity of logs produced – one (1) every few minutes – but at about 8:30am as soon as my staff begin working this increases up to a dozen a minute.

User Exchange Monitor doesn’t display any user who seems to be using/consuming Log Bytes much higher than the other users, that this make me uncertain where they are all coming from. There’s one person using CPU a lot more time than the others but I don't think that's the source of the problem.

Can somebody help me out with this problem? I’ve been searching for answers to related issues but to no avail. I've tried using the Troubleshoot-database space script as mentioned in http://technet.microsoft.com but while it seemed to run the command without errors, no entries can be found in the event log afterwards.

Is there any suggestion that I should go next?

Any help will be highly appreciated.




Answered By 0 points N/A #107391

What causes the rapid increase of transaction logs in Exchange 2010?


If the problem has just started occurring recently and there is no change in the magnitude or the rate at which the users have been using the database, then the problem may be as a result of mails being replicated on the server and therefore taking up a lot of space. You will need to check if the settings have been altered and change them accordingly.

The other possible cause of that will be the rate at which the users are saving files on the server has increased and therefore causing the space to be field up at that rate. You will therefore need to track the users that are having a lot of activities on the network and regulate them. Making backups and freeing up more space will be another way to control that too.

-Richard Gabriel


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