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From: solboy on 3 Dec 2009 05:55
Hi:

I've got a 514 event id with source ESE in my Exchange 2003 Server. I've
been reading some information about how to reset transaction log numeric and
the procedure I have to do it's simple and easy, but I've got a question:

When my exchange database backup finish, in my transaction log folder I can
find some log files (just 3 or 4). My question then is:

If I reset transaction log numeric moving log files (using eseutil /mh...),
am I loosing mails in those logs when resetting numeric???

Those logs will never be inserted in exchange database, then are they
lost???

Thanks in advance

Eduardo

From: Fabrizio Volpe on 3 Dec 2009 19:08
The logs not deleted during the backup are probably still not committed.
If you move them, you risk to lose something if you've to do a recovery from
backup.
--
Fabrizio Volpe

MCSE (NT4) (2000) (2003) - MCSA (2003) - MCTS (SQL 2005) (Exchange 2007) -
MCT
Fortinet Certified Network Security Administrator (FCNSA)
From: Ed Crowley [MVP] on 3 Dec 2009 21:11
They probably are committed, just not committed to the backed up store. If
you had to restore the database from the backup, you would want all logs
generated since that backup to avoid a loss of data.
--
Ed Crowley MVP
"There are seldom good technological solutions to behavioral problems."
..

"Fabrizio Volpe" <FabrizioVolpe(a)discussions.microsoft.com> wrote in message
news:94033731-85D0-420B-8B90-6A7C592AA251(a)microsoft.com...
> The logs not deleted during the backup are probably still not committed.
> If you move them, you risk to lose something if you've to do a recovery
> from
> backup.
> --
> Fabrizio Volpe
>
> MCSE (NT4) (2000) (2003) - MCSA (2003) - MCTS (SQL 2005) (Exchange
> 007) -
> MCT
> Fortinet Certified Network Security Administrator (FCNSA)

From: Rich Matheisen [MVP] on 3 Dec 2009 21:37
On Thu, 3 Dec 2009 11:55:04 +0100, "solboy"
<crespo_santamaria(a)hotmail.com> wrote:

>I've got a 514 event id with source ESE in my Exchange 2003 Server. I've
>been reading some information about how to reset transaction log numeric and
>the procedure I have to do it's simple and easy, but I've got a question:
>
>When my exchange database backup finish, in my transaction log folder I can
>find some log files (just 3 or 4). My question then is:
>
>If I reset transaction log numeric moving log files (using eseutil /mh...),
>am I loosing mails in those logs when resetting numeric???

Not if the database is in a clean state. If the database is "dirty"
the transactions in the log files haven't been completely written to
the database. You'll find the state of the database in the output from
the eseutil.

>Those logs will never be inserted in exchange database, then are they
>lost???

You don't want to remove log files unless the ALL the databases in the
storage group are in a 'clean' state.
---
Rich Matheisen
MCSE+I, Exchange MVP
From: Rich Matheisen [MVP] on 3 Dec 2009 21:37
On Thu, 3 Dec 2009 16:08:01 -0800, Fabrizio Volpe
<FabrizioVolpe(a)discussions.microsoft.com> wrote:

>The logs not deleted during the backup are probably still not committed.
>If you move them, you risk to lose something if you've to do a recovery from
>backup.

Only if the database isn't in a 'clean shutdown' state.
---
Rich Matheisen
MCSE+I, Exchange MVP
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