What is the max number of New-MailboxExportRequest that can be InProgress at the same time?

I haven't been able to find an answer for this, so I'm hoping someone can clarify off the top of their head.

If you queue up a large number of New-MailboxExportRequests, how many of them can be "InProgress" at once? I'm assuming there is an upper limit on the number that will be processed, with the others remaining queued.

As a follow up, is that default number something you can modify?

April 7th, 2014 10:57am

I believe the default is 5 per db(could be wrong :S).  Check out this article but i'd be weary about changing things:

http://technet.microsoft.com/en-us/library/ff963524(v=exchg.141).aspx

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April 7th, 2014 4:14pm

Hi,

The default maximum simultaneous move requests is different for each parameter:

MaxActiveMovesPerSourceMDB
MaxActiveMovesPerTargetMDB
MaxActiveMovesPerSourceServer
MaxActiveMovesPerTargetServer

To override the default value, you can refer to the article provided by Josh above. Even though this article is for Exchange 2010, these values in Exchange 2013 are exactly the same ones set by default in Exchange 2010, Exchange 2013 follows them.

Thanks,

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April 7th, 2014 10:33pm

Hi,

Is there any update on this issue?

Thanks,

If you have feedback for TechNet Subscriber Support, contact tnmff@microsoft.com

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April 9th, 2014 9:13pm

If you think you will change the value and it will improve the performance and make your migration faster then this is not the case. Default is 2 - you can start with 3 and 4 but as soon you increase the number you will decrease in the Bytes transferred per mailbox. I have done on the other weekend. Just try it out and you will notice what I mean.

Microsoft change the value from 5 to 2 , 5 used to be in 2007 and in 2010 since it is 2 moves and it make a lot of sense.

 
April 9th, 2014 10:44pm

Any updates?
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April 11th, 2014 10:51am

Any updates?
April 11th, 2014 10:51am

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