Exchange 2003 not clearing transaction log files

Posted on 2007-10-17
Last Modified: 2008-01-09
My Exchange 2003 server's transaction log drive filled up and the stores dismounted. I removed the old logs from the store and mounted the stores. This is a new issue as the server has been in operation for two years. How do I configure exchange to automatically maintain its transaction logs?
Question by:knada242
    LVL 7

    Accepted Solution

    Exchange will clear the transaction logs upon successful completion of a full backup.  Anything else is mickey-mouse.
    LVL 19

    Expert Comment

    Assuming you don't have a 3rd party backup solution already - here's an article that walks you through using NTBackup for Exchange:
    LVL 1

    Author Comment

    I use Symantec backup exec. looks like I need to give them a call.
    LVL 19

    Expert Comment

    Probably a good idea =)

    Just a thought - each storage group only has 1 set of log if you have multiple stores (Mailbox Store 1, Mailbox Store 2, Public Store, etc...) the logs won't flush until every store/db has been backed up.
    LVL 6

    Expert Comment

    Hmm, two years and this is the first time it has happened. Maybe you have reached the max number of  log generation of 1048559 (0x000FFFEF), i.e. Log sequence numbers have almost been completely consumed. If that is the case then you have to create a new storage group.

    Assume your database is on E:\exchsrvr\SG1, so what you have to do is,
    Wait for backup to complete.
    Run msxstop, ensure IS stops gracefully.
    Rename E:\exchsrvr\SG1 to SG1_old
    Create E:\exchsrvr\SG1 directory
    Run msxstart.
    Checkout. Logfile sequence will now restart at the begining.

    Assuming this is your problem then this is the correct method to restart your store.

    Q:    How did you remove the log files?


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