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Export Mailbox Archives to PST Performance

Created: 19 Sep 2012 • Updated: 07 Nov 2012 | 6 comments
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Hi - I have been tasked with exporting a significant amount of Mailbox Archives to PST for legal reasons. The in built tool that comes with EV10 is great and it does what I need but it's extremeley slow.

Is there any way to increase the performace of the task by maybe have the task running against multuple archives at the same time using multiple processes? It's taken just over 2 hours to export an archive albeit that archive was 5Gb!



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TonySterling's picture

Hi Julian,

You can have more than one instance of the Archie Export Wizard running at once.  However, you wouldn't want to go crazy or anything and just start firing off exports. smiley

What you could do is open another session of the Export Wizard and start another export and then monitor the server performance.  I would speculate you wouldn't see much benifit doing more than three at a time, but it is going to depend on your EV server and whatever else it is doing at the time.


Rob.Wilcox's picture

It might also be worth considering some of the third party tools that are out there.

Jeff Shotton's picture

I remember reading somewhere that you should not set off more export wizards than you have CPU cores available (excluding hyperthreading), but as Tony says - it depends on what the EV server (and SQL) is doing at the time.



Jeff Shotton

Principal Consultant

Adept-tec Ltd

Website: here

John Santana's picture

Yes I also feel that in my dual core 4 GB EV 8.0 SP4 the export to PST is bit slow, however I am now in the process of upgrading it into EV 9.0 SP...x in Windows Server 2008 R2 SP2 64 bit, hopefully the performance gain is there :-)

Kind regards,

John Santana
IT Professional


Please be nice to me as I'm newbie in this forum.

TheEmptyMind's picture

2 hours to export 5GB archive is extremely slow.  I do not think targeting more processes will necessarily help address the slowness with individual exports and I think you should start addressing the slowness with just one task and then bumping up more parallel processes will help increase the throughput.  A few possibilities where the slowness could be coming from include, but not limited to, the performance of storage that is being read, the target storage where the PST is being written to, SQL server performance and of course, the EV server that is doing the export.

Rob.Wilcox's picture

Also .. Storage media and speed .. of the archived data.