Exchange 2010 Export PST and Import to 2016

PeterNairn
PeterNairn used Ask the Experts™
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Hi, I have successfully exported all pst files from an Exchange 2010 Server using the command : foreach ($i in (Get-Mailbox)) { New-MailboxExportRequest -Mailbox $i -FilePath "\\AZUA\Exports\$($i.Alias).pst" }

I am now trying to Import them in to 2016 using the following command but receive the following error :

Dir \\SERVER01\PSTshareRO\Recovered\*.pst | %{ New-MailboxImportRequest -Name RecoveredPST -BatchName Recovered -Mailbox $_.BaseName -FilePath $_.FullName -TargetRootFolder SubFolderInPrimary}

Error :
Unable to open PST file '\\myserver\usershares\username.pst'. Error details: Header file length is zero. If this
file is from a previously failed pst export, please delete the file and resume the export.
    + CategoryInfo          : NotSpecified: (:) [New-MailboxImportRequest], RemotePermanentException
    + FullyQualifiedErrorId : [Server=myserver,RequestId=9b9f0bb9-10f7-4d36-8a2a-45dbd43faba4,TimeStamp=09/06/2017 0
   6:14:26] [FailureCategory=Cmdlet-RemotePermanentException] 304C5A4F,Microsoft.Exchange.Management.Migration.Mailbo
  xReplication.MailboxImportRequest.NewMailboxImportRequest
    + PSComputerName        : my server.mydomain.com

Is is possible to import 2010 to 2016 ?
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Adam BrownSenior Systems Admin
Top Expert 2010

Commented:
Yes. But is there some reason you're Exporting the mailboxes and not moving them to Exchange 2016 directly? This is much easier, less time consuming, and results in fewer errors.

That said, make sure the PST files are valid by attempting to load one or more of them into Outlook to verify that they aren't corrupted or that the export completed properly. Also, I'm not sure the name mapping you have there is going to work correctly, but that should be easy to verify.

Author

Commented:
Hi, I wasn't aware I could move them directly, do you have a link Adam please ?
MASEE Solution Guide - Technical Dept Head
Most Valuable Expert 2017

Commented:
Hi Peter,
Please check this to move from mailboxes from Exchange2010 to 2016.
https://www.stellarinfo.com/blog/exchange-2010-to-exchange-2016-migration/

MAS
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Author

Commented:
Hi MAS, thanks for the Link but it doesn't make sense. This talks about using Exchange Admin Centre which is only available on Exchange 2016 ?
MASEE Solution Guide - Technical Dept Head
Most Valuable Expert 2017

Commented:
As per your question you have Exchange 2016.  Please make me clear.
"I am now trying to Import them in to 2016 using the following command but receive the following error :"

Author

Commented:
I have 35 users on an Exchange 2010 server and want to move them to Exchange 2016.
MASEE Solution Guide - Technical Dept Head
Most Valuable Expert 2017

Commented:
Please open EAC "https://localhost/ecp" from server or "https://FQDN/ecp"

Author

Commented:
Hi MAS, I have done that and selected migrate users and selected the local mailboxes but this seems to only move on to its own server, there is no option for the exchange 2010 server. Im running this on the exchange 2016 server as theres only emc on 2010. The menus look more like I'm moving them locally ?
MASEE Solution Guide - Technical Dept Head
Most Valuable Expert 2017

Commented:

Author

Commented:
These Servers are on 2 different domains, not coexistance.
Senior Systems Admin
Top Expert 2010
Commented:
http://msexchangeguru.com/2013/11/03/e2013crossforestmigration/ has all the steps required to do a cross forest Exchange migration. It's a little more involved than a coexistence scenario, but still possible, and still much preferable to doing PST export and Import because it has better results and less cleanup following the migration.

It helps to have PST exports as a backup if this method completely screws things up, but doing so isn't strictly required.
MASEE Solution Guide - Technical Dept Head
Most Valuable Expert 2017

Commented:
Agree with Adam
Todd NelsonSystems Engineer
Top Expert 2016
Commented:
Personally, I would use BitTitan MSPComplete to migrate mailboxes across forests or PST.
MASEE Solution Guide - Technical Dept Head
Most Valuable Expert 2017

Commented:
Enough information provided to close the question

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