Large export of mailboxes
Hi We are running Exchange 2007 SP2. We're going to be having a large number of users leaving our company to work for a partner company, about 300. We'll need to export their mailboxes from our Exchange 2007 system to a PST file. The mailboxes sizes are varying up to 1GB. I know there is a command to Export to PST, but I'll need to run this on multiple mailboxes at the same time. I was going to have a CSV file with the list of users, but how many maiboxes will it export at the same time? We're hoping to have the export completed over a coupleof days.
May 31st, 2012 4:50pm

Hi, normally a export request is generated which is processed by Exchange in the background. So using a CSV file and processing the file as an input for the export is a good idea. After executing the command you have to wait for some time. Have you got a question on developing a script in order to process the csv file? regards Thomas Paetzold visit my blog on: http://sus42.wordpress.com
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May 31st, 2012 5:34pm

Hi, normally a export request is generated which is processed by Exchange in the background. So using a CSV file and processing the file as an input for the export is a good idea. After executing the command you have to wait for some time. Have you got a question on developing a script in order to process the csv file? regards Thomas Paetzold visit my blog on: http://sus42.wordpress.com
May 31st, 2012 5:41pm

Hello Thanks.....if the list contains 300 mailboxes ,will it process only one mbx at a time? is there a way for it to export multiple mailboxes at the same time?
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May 31st, 2012 5:49pm

I can't remember how many it does at a time, but you should have no trouble getting this done in an evening or two. Mike Crowley | MVP My Blog -- Planet Technologies
May 31st, 2012 7:42pm

I can't remember how many it does at a time, but you should have no trouble getting this done in an evening or two. Mike Crowley | MVP My Blog -- Planet Technologies
Free Windows Admin Tool Kit Click here and download it now
May 31st, 2012 7:49pm

Hi GNoble1979 I found a useful blog that you could refer to http://blogs.technet.com/b/exchange/archive/2007/04/13/3401913.aspx On the article, it said: "To export multiple mailboxes to their respective .pst files at once you can pipe in the identities of those mailboxes to the export task. Notice that when bulk exporting the PSTFolderPath parameter must forcefully point to a directory since one .pst file will be created for each mailbox. " The Command to use is Get-Mailbox -Database 'MDB' | Export-Mailbox -PSTFolderPath D:\PSTs Cheers Zi Feng TechNet Community Support
June 1st, 2012 5:00am

Hi GNoble1979 I found a useful blog that you could refer to http://blogs.technet.com/b/exchange/archive/2007/04/13/3401913.aspx On the article, it said: "To export multiple mailboxes to their respective .pst files at once you can pipe in the identities of those mailboxes to the export task. Notice that when bulk exporting the PSTFolderPath parameter must forcefully point to a directory since one .pst file will be created for each mailbox. " The Command to use is Get-Mailbox -Database 'MDB' | Export-Mailbox -PSTFolderPath D:\PSTs Cheers Zi Feng TechNet Community Support
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June 1st, 2012 5:07am

Hi So you think I can run an Export-Mailbox for these 300 mailboxes over a couple of nights? Couple of questions - i. Is there any where to make the Powershell window run more than one Export at a time ii. Is there any reason not to run multiple Powershell windows running on the same server running exports iii. When the export commands are running on the Utility server, will this have a neglible performance impact on the server where the mailboxes are being hosted? Or does the Utility server running the export take the performance hit? Thanks for the help
June 2nd, 2012 7:43am

Hi You can open two or three EMS at the same time, but I am not sure the speed will go up or not. CheersZi Feng TechNet Community Support
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June 4th, 2012 2:08am

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