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Questions tagged [exchange-migration]

An Exchange migration refers to the process of migrating to a new version of Exchange, or migrating a between Exchange and different email server. Because Exchange cannot be upgraded in-place between major versions, upgrading Exchange is done by migrating to a newer version instead.

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How can I trace the SidHistory to the original and destination domain?

I am seeing groups that either contain the current or prior SidHistory for a user in a large complex AD Forest with many domains. Is it possible to look at the first half of the SidHistory and ...
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1answer
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Exchange Online Migration: Single Tenant with Multiple Exchange Endpoints

Planning out a migration for 3 separate Exchange Servers/AD forests with no AD trusts configured; there is site-to-site connectivity by way of IPSec tunnels. These three mail servers share an email ...
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Separate namespace for Exchange hybrid servers

I read somewhere that you could do the following hybrid deployment. 1) Two dedicated Exchange 2016 "hybrid servers" that are F5 load balanced 2) Create a new namespace called hybrid.contoso.com. (...
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How to manage individual mailbox of the batch migration?

I tried to migrate 4 mailboxes in a batch migration with 'manually complete' is on. When the synchronization is done, I noticed 1 of them is failed, I know how to fix the failed box. But the question ...
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IMAP to Office 365 migration error

I am migrating mailboxes from an on-premise IMAP server to Office 365. Most of the accounts are migrating fine, but I'm hitting the following error on a handful of accounts. Error: ...
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1answer
37 views

Outlook 2016 clients not downloading/caching all mailbox data

Migrating a client from FuseMail hosted Exchange to Office 365. Unfortunately, FuseMail has no administrative controls, and the client only has 8 user accounts, so I've fired up some virtual machines ...
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1answer
2k views

Exchange 2013. I cannot send email. error: You don't have permission to perform this action

I am upgrading from Exchange 2010 to Exchange 2013. I have installed Exchange 2013 on a separate server and managed to migrate my mailbox to an Exchange 2013 database using Exchange 2013 EAC/ECP. ...
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99 views

Lab Setup for Exchange Cross Forest Migration

I'm working on a major project to migrate mailboxes in a cross forest scenario. I'm having difficulty testing how to accomplish this. I want to set up a "lab environment" so that I can practice ...
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1answer
27 views

Exchange 2010 to 2013 duplicated user after migration

I have the following problem: By migrating a user from the databese EX2010 to EX2013 via the Exchange Admin Center a second user/duplicate is getting created and the original mailbox/isn't ...
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1answer
266 views

sbs 2008 to office 365 staged migration

I'm looking for some help with a client. He currently has sbs 2008 with his email server on site and due to it being dropped from official support I've suggested that he moves to office 365. What he ...
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1answer
455 views

Hosted Exchange to Office 365 migration: should we move to O365 at our hoster before moving?

Our company's email is hosted Exchange 2016 (hosted by AppRiver). It's a simple setup: only ~100 mailboxes, single domain, no linkage between Exchange and our corporate file/print/login AD, no public ...
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1answer
92 views

Exchange 2007 migrate to new virtual server

I have a physical server that currently runs our Exchange 2007 environment on Windows Server 2008. Very small environment with only 30 mailboxes on it (all roles on this one server, nothing fancy or ...
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1answer
417 views

Office 365 - Deleting Users With Status “Syncing” From Migration Job?

Hoping someone can help answer this question for us - we currently have a hybrid setup for our Office 365 and are starting to migrate users' mailboxes from on prem Exch 2010 to O365. We have a rather ...
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2answers
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Upgrade Windows Server when Exchange Installed [duplicate]

I currently have Exchange 2010 installed on Windows Server 2008 R2 but would like to upgrade both the operating system (Windows Server 2012 R2 or Windows Server 2016) and Exchange (Exchange 2016). I ...
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1answer
531 views

Migrate from Exchange 2010 to Exchange 2016

I’ve inherited a setup where Exchange 2010 is installed on Windows Server 2008 R2, I want to upgrade to Exchange 2016 and Windows Server 2016. I’ve read Microsoft does not support upgrading OS when ...
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1answer
437 views

Wrong date on mails when searching on iPhone after Exchange migration

After a colleague of mine migrated Exchange for a customer from Exchange on a small business server to Exchange 2016 the dates are messed up when searching. When a user just browses his or her email ...
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1answer
200 views

Migration of Exchange 2010 to AWS server

We currently have Exchange 2010 running on Windows Server 2008 R2. Our Active Directory is also on the same server. We have 2 mailbox databases and approximately 300 mailboxes. We want to move this ...
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1answer
2k views

Get-Migrationbatch - Return specific job with status

I've created a PowerShell script that creates a migration batch from Exchange on-premises to O365 Exchange Online using the New-MigrationBatch cmdlet. My next step is to halt the script until the the ...
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1answer
966 views

Migrating Exchange 2010 Mailbox to Office 365: Freebusy Data folder corrupt

We have an on-premise Exchange 2010 install which we are migrating to Office 365, and I have a mailbox which is failing to migrate due to "CorruptFolderSecurityDescriptor" errors. It ended up that ...
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1answer
379 views

How to stop the Exchange 2010 server only -O365 migration

I have recently done a migration to 365 and I have an in house Exchange 2010 server. As I expected there are people who are still connected to the old server even though there has been numerous emails ...
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1answer
441 views

New mail in inbox not showing in Outlook 2010 client

Hello this week i've migrated an old Mdeamon mailserver to Exchange 2013 this is done by importing all the mailboxes using a pst file. The whole migration went fine. Yet there's one Mailbox where in ...
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1answer
560 views

Migration from third-party hosted Exchange to Office 365 - How to avoid NDRs caused by X500 addresses?

Our organisation is currently migrating away from a third-party hosted Exchange 2013 server to Office 365. Our organisation spans over multiple branch offices, each with its own domain, and we are ...
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1answer
189 views

config365 Outlook error, Outlook cannot log on

I have tried to test out outlook once I have run Config365. I have done a cutover migration and everyone has synced. I would just like to test my Outlook just to make sure that all I need to run is ...
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1answer
130 views

Cutover migration from exchange 2007 to exchange online error

Has anyone ran into this error? If so, what steps did you take to resolve it? I have about 17 users out of 150 that i cannot migrate because of this error. "Permanent error occurred while accessing ...
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1answer
1k views

Mailbox moves - MSExchange ResourceHealth registry key doesn't exist

Migrating mailboxes from Exchange 2010 to Exchange 2016. It's going excruciatingly slowly, likely because the old and new VMs share the same relatively slow disks, and it keeps getting throttled. ...
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2answers
167 views

Exchange 2010 to 365 Questions

I have a client running Exchange 2010, 3 mail stores and 300 mailboxes. We are in the process of updating their infrastructure and as part of it are moving them to 365 for their mail. At the same ...
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1k views

What's is the best way to migrate dovecot imap accounts to office365

i need migrate some accounts from dovecot imap service (how cpanel setup) to office365. This accounts should be of diferent licences businnes and kiosk. Is this possible? Any suggestes? Somebody ...
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4answers
29k views

How to reconcile user with both on-premise and cloud mailboxes?

We are in the middle of hybrid coexistence migration from Exchange 2010 on-premise to Office 365. That means we have ADFS and "Dirsync" (now called Windows Azure AD Sync) running. We are more than ...
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1answer
552 views

Office365 Cutover Migration fails

I am working on migrating an on premise Exchange 2010 server to Office365 Exchange Online. I am doing a cutover migration as we have less than 100 mailboxes and the cutover is going to happen in a ...
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2answers
1k views

Migrate to new Exchange 2010 server in different AD site

We currently have a domain with two AD sites. Site A has one Exchange 2010 server which currently holds all the mailboxes. I set up the new site, Site B, and it is connected via site-to-site VPN. Site ...
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2answers
12k views

Simplest way to move a small public folder to Exchange Online?

I'm working on a migration for a SMB customer (~25 mailboxes) from on-premises Exchange 2010 to Exchange Online; I've set up the hybrid configuration, and I'm currently moving the mailbox data; ...
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1answer
41 views

In Exchange 2010/2013 co-existence, should I be seeing 2013 CAS servers when running Get-*VirtualDirectory Cmdlets?

We're in the middle of migrating from Exchange 2010 to Exchange 2013. I have 2 Ex2010 CAS and 2 Ex2013 CAS servers. I understand changes have been made to the roles between 2010 and 2013 versions. ...
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1answer
172 views

Demote Exchange 2007 and move mailbox on Exchange 2013

we have an old Exchange 2007 hosting an email domain. Now the company has changed domain and we setup a new Exchange 2013 on the new domain that is up and running. About the old Exchange 2007, I'd ...
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2k views

Room Mailbox Permissions O365 in Outlook

I have migrated my Exchange 2007 on-prem server to o365, using a staged migration. Everything is syncing great, except for the room calendar in outlook: I have a room resource named "Leave" it is a ...
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1answer
641 views

Outlook profile during staged migration

I'm in the final stages of testing a staged migration from Exchange 2007 to Online Exchange - I've synced and migrated a test user, and have verified that the user is now a MEU. However, in Outlook ...
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1answer
167 views

Staged migration Users Password etc not syncing

I am busy testing the migration of our on-prem exchange 2007 / server 2008 to o365 exchange, using AAD Connect. The passwords of the users however are not syncing. So at the moment I'm having to ...
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2answers
2k views

Complex Exchange 2010 to Office 365 Migration with multiple domains

I keep going around in circles when trying to plan a migration from Exchange 2010 to Office 365 with conflicting information and different opinions to which is the best migration method for my ...
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1answer
232 views

How do I minimize downtime when migrating public folders to Office 365?

At what point should you migrate public folders from Exchange 2007/2010 to Office 365 to minimize downtime during a cutover migration? I understand from the guide here that you should migrate ...
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2answers
101 views

Moving from on-premise to O365

I am investigating what is required for a move for a client away from Windows SBS2008 to Office 365. The server has functions like Active Directory and Exchange 2007. There can be no hybrid solutions (...
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5answers
3k views

Save email to .pst instead of .ost in Outlook 2010

We are getting ready to migrate some email users to Office 365 from a 3rd party email host. They use outlook 2010 to access their email on Exchange server. I know how to export to a .pst file, ...
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1answer
5k views

Migrating emails from Exchange (2010/SBS2011) to Office 365

After spending several weeks and reading many different guides, I just have not been able to come up with a solution other than to use a third party tool and I would be greatful if someone can help me ...
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2answers
5k views

How connect Outlook to Office 365 without change the MX record of my domain yet?

I want connect my Outlook to Office 365 without change (yet) the MX record. On Outlook I've already an IMAP account to the current mail server and I want copy and paste only a few email manually. When ...
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0answers
147 views

Exchange 2010 to Exchange 2010 migration, mail flow problems

I currently have Exchange Server 2010 SP3 RU8 v2 installed on a primary DC which is Windows Server 2008 R2, I know this is less than ideal so I've setup another server also 2008 R2 on the domain. My ...
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0answers
1k views

Exchange 2013: content filtering bypass

I have just completed a migration from a single Exchange 2007 to 2xExchange 2013 servers in separate sites. Mailflow is working correctly, but the anti-spam content filtering is not working as ...
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1answer
124 views

Migration Endpoint when migrating Windows 2003 Exchange 2007 to Office 365

I am currently migrating an Exchange 2007 environment with about 50 mailboxes to Office 365 Premium (with online Exchange). Although setting up a staged migration is pretty straightforward, what do I ...
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1answer
4k views

Can't run Exchange 2013 EMS installed during 2003-2013 migration

We are migrating a client from Exchange2003 to Exchage2013 (via 2007). We have migrated succesfully from the SBS2011 to a staging server with Windows 2008 R2 & Exchange2007, however on the ...
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1answer
35 views

Large number of unmanagable groups in Exchange 2010 following migration from Exchange 2003

Recently we migrated from Exchange 2003 to 2010, and now we have many groups greyed out in the 2010 Exchange Management Console, because they are not Universal Groups. While these groups are ...
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1answer
636 views

Public folder replication in 2003/2010 Exchange coexistance

I am pretty much ready to decommission Exchange 2003 in the environment. I've got seven 2003 servers. The only hold up at this point is Public Folder replication to 2010. At this point I'm having an ...
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3answers
12k views

Exchange Autodiscover Authentication fails after mailbox migration from 2010 to 2013 is completed; until server is backed up or rebooted

I have installed an Exchange 2013 Mail server on our network following the Microsoft guide on migrating from an Exchange 2010 to 2013 server. I am at the point where I have both servers running side ...
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0answers
456 views

Exchange 2010 and 2003 Co-Existence - Mail flow and Public folder issues

Hopefully someone out there can help me out. As the subject says i have exchange 2010 and 2003 in a co-existence mode. I have configured public folder replications and plan to use the powershell ...