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Cross Forest Migration 2010 to 2013

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Cross Forest Migration 2010 to 2013 - 22.Jul.2014 3:27:52 PM   


Posts: 3
Joined: 13.May2013
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I am migrating from Exchange 2010 to Exchange 2013 cross forest. I have Exchange setup in the new forest and can successfully migrate users using the Prepare-MoveRequest.ps1 and New-MoveRequest. The new forest is a resource forest so the accounts are disabled and the mailboxes are linked to the original (accounts) forest. What I want to know is can I use the same namespace for the new environment and proxy/redirect client connections back to the legacy exchange 2010 server?

2013 Environment has all the URL names: webmail
2010 Environment has all the URL names: legacy

Currently when i test this in my lab I get an error in OWA X-OWA-Error: Microsoft.Exchange.Data.Storage.UserHasNoMailboxException
Post #: 1
RE: Cross Forest Migration 2010 to 2013 - 19.Sep.2014 7:14:01 AM   


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Joined: 19.Sep.2014
Status: offline
I am sure my post would play helpful role in for recovery for corrupt, damaged or inaccessible MS Exchange EDB files and convert them to PST.

Try:- http://www.exchangeserver.pcrecoverytools.com/
Post #: 2
RE: Cross Forest Migration 2010 to 2013 - 10.Jul.2017 5:24:09 AM   


Posts: 52
Joined: 22.Sep.2016
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Trying the Exchange admin center from a 2013 Server Add the 2013 Client Access Server or Multi-role server to the Exchange Send Connector(s). Remove the 2010 Client Access Server or Multi-role Server(s) and Save.

You can also using this steps :

1- Setup your new forest, configure Exchange servers, destination forest must use source Exchange as smarthost to route emails to internet.
2- Create trust between both domains.
3- Install ADMT on source forest.
4- Configure Password export server (otherwise you need to create password for all users).
5- Enable Proxy MRS
6- Install certificates.
7- Create one test user, uses script prepare-moverequest.ps1. This script creates MEU on destination and a X500 email address used to route mailflow during process.
8- Use ADMT to migrate user. Disable SID filtering and export user password. After finish this step, you have moved user but not mailbox.
9- Move mailbox, can use EMC or new-moverequest cmdlet. After this point, must to clean cache on Outlook clients or setup any kind of GAL sync between both forests.
10- Remove password requirement for this user (set pwdlastset to -1)
11- Test (inbound, outbound, access from owa...)
13- Optional: you can setup a federation trust to share free/busy from calendars between forests.
14- Move service accounts/groups using ADMT.
15- Bulk move (prepare-moverequest + admt + new-moverequest)
16- Change inbound/out mailflow from source to destination servers
17- Move computer accounts
18- Do a clean SID/remove federations, trusts...
19- Decomission old forest.

Read more article : https://technet.microsoft.com/en-us/library/ee633491(v=exchg.150).aspx



Otherwise, you can also try to exchange migration tool that can easily perform cross forest migration : http://exchangeserver.tumblr.com/recovery-for-exchange-server

(in reply to claudeollis)
Post #: 3
RE: Cross Forest Migration 2010 to 2013 - 31.Jul.2017 3:39:45 AM   


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Joined: 19.Apr.2016
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Please check this article to fix this issue: http://www.techieshelp.com/x-owa-error-microsoft-exchange-data-storage-mailboxunavailableexception/

(in reply to angusmclean)
Post #: 4
RE: Cross Forest Migration 2010 to 2013 - 5.Aug.2017 6:47:10 AM   


Posts: 35
Joined: 18.Aug.2015
Status: offline
The software easily recovers corrupted edb database and create the PST file.

Important features of the software

Restores damaged EDB files
Extracts EDB files from BKF files directly
Recovers mailboxes, public folders, and archive mailboxes from EDB files
Retrieves deleted items from mailboxes
Extracts attachments from emails
Saves retrieved data in Outlook PST files, production Exchange, and Office 365
Migrates data between Exchange/Office 365 and Exchange/Office 365
Performs need-based recovery/migration of mailboxes, folders, and item
Provides search option to find specific items quickly and easily
Offers preview of both the source data and the destination data on the same window
Provides instant copy-paste and drag-drop facility to move items from the source to the destination
Generates Operation Logs to provide the details of the performed tasks
Supports all versions of Exchange Server, MS Outlook, and Windows OS
Read more and free downlaod click here : https://exchangeserverrepair.blogspot.com

(in reply to T.Markus)
Post #: 5
RE: Cross Forest Migration 2010 to 2013 - 26.Aug.2017 7:33:23 AM   


Posts: 9
Joined: 27.Feb.2014
Status: offline
Read this blog post, May be it will help you in Exchange Migration from one version to another manually. Read carefully and do it yourself.


(in reply to armias1)
Post #: 6

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