Decommissioning Exchange Server 2007 after staged migration to Exchange Online

Hi there,
I have recently migrated all our on-premise Exchange 2007 user mailboxes to Exchange Online/Office 365 using a staged migration running DIRSYNC (Windows Azure Directory Services Directory Synchronization Tool). Now I would like to remove the old on-premise
Exchange server but I am not sure if that would break things.
Also with Disync enabled you cannot manage some mailbox properties in Exchange Online, it needs to be done with AD, right? If that is the case is it a good idea to have Exchange 2010/2013 Management Tools installed to manage the mailboxes?
Thank you,
Pieter

Hello,
Windows Azure Directory Services Directory Synchronization Tool is used to synchronize on-premises directory objects(users, groups, contacts) to cloud. If you want to remove the old on-premise Exchange server, you need to make sure you have moved mailboxes
to o365 successfully, the mail flow is ok and the user can access their mailboxes.
Here is an article for your reference.
http://technet.microsoft.com/en-us/library/jj898486(v=exchg.150).aspx
Not all operations for mailbox can be done via AD, so I recommend you install Exchange Management Tools to manage the mailboxes.
If you have any feedback on our support, please click here
Cara Chen
TechNet Community Support

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Hi,
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More details about exfolders tool refer to the following article:
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Have you restored content DB successfully?
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http://technet.microsoft.com/en-us/library/cc197498(v=office.12).aspx
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Hello,
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Hi psh8989,
According to your description, I know that you want to migrate public folder from Exchange 2007 to Office 365.
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More detailed information to see:
Migrate legacy public folders to Office 365 and Exchange Online
http://technet.microsoft.com/en-us/library/jj983799(v=exchg.150).aspx
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My question is which one need to migration first. Active Directory 2003 to 2012 R2 and FFL & DFL or Exchange Server 2007 to 2013.
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Exchange server 2007 still on version 8.1 even after applying sp3

hello,
I have exchange 2007 version 8.1 and I want to migrate to exchange 2013, so in order to to that I need to upgrade the exchange 2007 to sp3.
I install the sp3 without any issue but the version of the exchange 2007 still 8.1, I try to re install but it show that the sp3 already installed.
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Hi
As is well known, you
must patch Exchange 2007 to the very latest Service Pack and Update Rollup before you attempt to do anything with Exchange 2013.
According to your description, I suggest you should check the rangeUpper value by using ADSI Edit . If the value was 14625. This indicates
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Here is the article for your reference: https://supertekboy.com/2014/05/01/check-exchange-schema-objects-adsi-edit/
Also you could re-install the patches in the following links .
Please download and install these patches from here:
Exchange Server 2007 Service Pack 3: https://www.microsoft.com/en-gb/download/details.aspx?id=24111
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Migration of Unity users from MS Exchange server 2007 to 2010

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I am having Unity 7.0 with MS Exchange server 2007,now want to transfer the users and Unity mailboxes to MS Exchange server 2010. Want to know the procedure. Can anyone help me out?

The way you're doing it has two very high hurdles.
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Exchange Server 2010 after Office365 Cutover Migration

We transitioned to Office 365 4 months ago. Per this reference, we have left an Exchange Server 2010 on premise per this guidance.
http://blogs.technet.com/b/exchange/archive/2012/12/05/decommissioning-your-exchange-2010-servers-in-a-hybrid-deployment.aspx
I want to move Exchange 2010 to an older less capable server to repurpose the current server. I have installed it with client access and mailbox server roles.
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they exist on Office365.
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Hi,
The proper way to remove a hybrid deployment is to disable it manually. The following actions should be performed to remove the objects created and configured by the Hybrid Configuration
Wizard:
1. Re-point your organization’s MX record to the Office 365 service if it is pointing to the on-premises organization. If you are removing Exchange and don’t point the MX record
to Office 365, inbound Internet mail flow won’t function.
2. Using the Shell in the on-premises organization, run the following commands:
Remove-OrganizationRelationship –Identity “On Premises to Exchange Online Organization Relationship”
Remove-FederationTrust –Identity “Microsoft Federation Gateway”
Remove-SendConnector
“Outbound to Office 365″
3. Using EMC, you can also remove the <your organization domain>.mail.onmicrosoft.com domain that was added as part of the email address policy for your organization.
4. OPTIONAL – Remove the remote domains created by the Hybrid Configuration wizard in the Exchange Online organization. From the EMC, select the Hub Transport in the Exchange Online
forest node and remove all remote domains starting with “Hybrid Domain”
5. Remove the organization relationship from the Exchange Online organization with the following command. You must use Remote PowerShell to connect to Exchange Online connected to
Exchange Online.
Remove-OrganizationRelationship –Identity “Exchange Online to On Premises Organization Relationship”
6. OPTIONAL – Disable the Inbound and Outbound Forefront Online Protection for Exchange (FOPE) connectors created by the Hybrid Configuration Wizard.
Referred from:
http://www.paradyne.com.au/office-365-decommissioning-on-premises-exchange/
Note: Microsoft is providing this information as a convenience to you. The sites are not controlled by Microsoft. Microsoft cannot make any representations regarding the quality, safety,
or suitability of any software or information found there. Please make sure that you completely understand the risk before retrieving any suggestions from the above link.
Thanks,
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[email protected]
Simon Wu
TechNet Community Support

Exchange 2010 - Decommissioning Exchange 2007 Coexistence and Removal of Public Folders

We are about to decommission exchange 2007, currently in coexistence with Exchange 2010.
We do not want to use ANY public folders in exchange 2010 going forward. Will do this after decom of 2007:
http://technet.microsoft.com/en-us/library/dd876883(v=exchg.141).aspx
I see this in the outlook connection status in outlook:
I have changed all Exchange 2010 mailbox databases to use a temporary 2010 public folders db named "public1" so that it is not communicating with the 2007 mailbox virtual server. However, the exact same connection status appears after I changed
the 2010 mailbox DBs to use a 2010 public folder db instead of the old 2007.
Question is, is it safe to decom the 2007 environment now? Is it normal to still have a connection to 2007 in "connection status" in outlook when the users mailbox is on a 2010 mailbox db? Is this connection related to public folders or something
else that needs modified before decom?
Thanks,
Josh

So, that wasn't the answer. I switched the Public folder DB on each mailbox database to a exchange 2010 server, PF DB, but hadn't actually moved any data from 2007 to 2010.
I didnt realize this is needed when we don't use public folders except for free-busy, default, etc.
What is the correct way to move the default public folders to a 2010 public folder?
I'm using the below URL as a template to migrate this info to a 2010 PF db.
https://www.simple-talk.com/sysadmin/exchange/upgrade-from-exchange-2007-to-exchange-2010---part-ii/
"The user Public Folders then need to be replicated to the Exchange 2010 Public Folder database as well. It is possible to manually configure
all Public Folders with a new replication partner, but it’s better to use PowerShell scripts that Microsoft delivers with Exchange Server 2010. Open the Exchange Management Shell and navigate to the Scripts directory
by entering the CD $ExScripts command,
and execute the following script:
AddReplicaToPFRecursive.ps1 -Server 2007MBX -TopPublicFolder "\"
-ServerToAdd 2010MBX"
My question is, do I have to do this "3rd step" since I don't think i have any custom "user public folders". Is this the user's free busy that I have to migrate, or is this author referring to custom PF db info?
Do I have to have public folders for free-busy and default exchange services at all in 2010?

Decommissioning Exchange Server 2007 after staged migration to Exchange Online

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