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Security log file size (Windows 2003)
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Subject Author Date
Security log file size (Windows 2003) Eugene Hovjacky 11-25-2005
Posted by Eugene Hovjacky on November 25, 2005, 4:53 pm
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 Hi,

What is the largest Event log size the Windows 2003 server can accommodate?
I plan to raise the level of logging on our domain controllers and of course
I need to increase the Event log sizes, currently I have them set to 64meg.
I have plenty of disk space. What the largest anyone has created?

Thanks.



Posted by Steven L Umbach on November 25, 2005, 10:34 pm
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 I believe Microsoft states 4GB but according to the KB articles below
problems can occur if they are set to more than 200MB though there is
supposed to be a hotfix available for the problem. ---- Steve

http://support.microsoft.com/default.aspx?scid=kb;en-us;312571

> Hi,
>
> What is the largest Event log size the Windows 2003 server can
> accommodate? I plan to raise the level of logging on our domain
> controllers and of course I need to increase the Event log sizes,
> currently I have them set to 64meg. I have plenty of disk space. What the
> largest anyone has created?
>
> Thanks.
>



Posted by Roger Abell [MVP] on November 26, 2005, 8:33 am
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The new release of the security guides will advise
about a 400 meg max for the sum of all event logs.
The actual max depends on the precise load usage
load on a machine, with the limit being due to the
1 gig max imposed by the architecture on memory
mapped files.

--
Roger

> Hi,
>
> What is the largest Event log size the Windows 2003 server can
> accommodate? I plan to raise the level of logging on our domain
> controllers and of course I need to increase the Event log sizes,
> currently I have them set to 64meg. I have plenty of disk space. What the
> largest anyone has created?
>
> Thanks.
>



Posted by karl levinson, mvp on November 27, 2005, 7:41 am
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In addition to the other answers, I would note that event log files can be
exported / archived to another computer for posterity and can grow as large
as you want there.

One way to do this is via syslog. There are a number of free windows event
log to syslog solutions, such as ntsyslog. Kiwi has some syslog solutions.
You might consider Snare, which is still free and adds encryption and
support for collecting logs from linux, routers, firewalls, etc.

http://www.intersectalliance.com/projects/SnareWindows/

Another way to do this might be via a script that dumps the logs using the
log dump utilities psloglist from www.sysinternals.com [free] or dumpel from
Microsoft. With these tools, you may need to script a way to import them
back into a database.

http://www.sysinternals.com/Utilities/PsLogList.html
http://www.microsoft.com/windows2000/techinfo/reskit/tools/existing/dumpel-o.asp



> Hi,
>
> What is the largest Event log size the Windows 2003 server can
> accommodate? I plan to raise the level of logging on our domain
> controllers and of course I need to increase the Event log sizes,
> currently I have them set to 64meg. I have plenty of disk space. What the
> largest anyone has created?
>
> Thanks.
>



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