Exchange 2013 and 2010 co-existance

We will have 2013 and 2010 exist together for a while...we plan to move away from using Unified Access Gateway for HTTP redirection to our Exchange services and implement Kemp
load balancers...two at our HQ site and two at our DR stie...
We plan to have a one arm configuration...from what I gathered...each load balancer will have a network connection and only one network connection and be on the same network as
our new Exchange 2013 servers. Can someone take a look at my config and give some input whether or not this will work and some suggestion on Ex13 urls, cert SAN names, etc.
HQKemp 2400 A
HQKemp 2400 B
DCKemp 2400 A        DCKemp 2400 B
172.16.1.104
172.16.1.105
172.25.1.104
172.25.1.10
Virtual IP   172.16.1.106
                         Virtual IP
172.25.1.104
From the video I’ve watched for Kemp install…we’ll create the following internal DNS records for the Exchange services that will be configured on balancers.
OWA/ECP
    mail.corp.local.com
              172.16.1.107
EWS               ews.corp.local.com
172.16.1.108
OAB               oab.corp.local.com
172.16.1.109
ActiveSync      mobile.corp.local.co
172.16.1.110
OA                 oa.corp.local.com
172.16.1.111
Autodiscover   autodiscover.corp.local.com 172.16.1.112
Question:
We will configure the Exchange services with these ip addresses linked to each service on all four load balancers?
Or will DR site load balancers have different IPs configured for same Exchange services?
Exchange services are split between our two sites…meaning Outlook Anywhere is configured for our CAS servers at our DR site and ActiveSync comes to HQ CAS servers as an example…so
I want all Exchange services to come through the newly installed load balancers at HQ and if they don’t respond…the Exchange services get redirected to the load balancers at our DR site.
Can you give some insight on the config of load balancers as to how we can do that?
I have a question about the cert we will have.
Our Microsoft rep says we should get a new wildcard cert…currently we have a UCC cert with the following SANs attached.
Will this new cert have to be installed on load balancers?
If so…can you suggest some ideas as to what new SANs I need if any of the new cert with Exchange 2010 and 2013 co-existing for a while.
Below are the SANs on our current UCC cert.
Outside resolvable SANs
Webmail.corp.local.com
205.223.19.25           portal.corp.local.com     205.223.27.78
Portal2.corp.local.com
205.223.19.25
Autodiscover.corp.local.com
205.223.19.25
Internal SANs
Hqcas1.corp.local.com
Hqcas2.corp.local.com
Dccas1.corp.local.com
Dccas2.corp.local.com
Owamail.corp.local.com
(this CAS Array server name that HQ CAS servers create)
What do you suggest we use for the external urls on Exchange 2013 for these services?
Our firewall guy says we’ll use same names,
but I’m not sure if we try to use same name if we’ll get an error?
Active Directory may say name already in use?
We plan to have firewall to just redirect requests for external urls to load balancers…sound correct?
Meaning load balancer won’t have an external NIC defined…which makes it a one arm config…correct?

Hi Techy,
According to your description, I am still not quite sure about your environment. Could you please provide more information about it, such as:
1. How many Exchange servers in your coexistence environment? One Exchange 2010 with all roles and one Exchange 2013 with all roles? Or several Exchange 2010 and multiple Exchange 2013?
2. Are there two sites in your environment? What’s the Exchange deployment in different sites?
3. Please confirm if both Exchange 2010 and Exchange 2013 are Internet-facing.
Additionally, if you are using different namespaces for different services for internal access and external accessing, we need to include all service namespaces in your certificate with IIS service. Personal suggestion, we can follow ED Crowley’s suggestion
to use split-brain DNS in your environment and only use the same namespace for Exchange service URLs.
The following article described the details about how to configure different namespace for Exchange services by using Load Balance in Exchange 2013:
http://www.msexchange.org/articles-tutorials/exchange-server-2013/high-availability-recovery/introducing-load-balancing-exchange-server-2013-part2.html
Regards,
Winnie Liang
TechNet Community Support

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is possible to see them in organizavion
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I can do ??

Hi Dominik,
thanks for pointing number 2 out :)
For my Problem on the Exchange:
I get the Event ID 12 in the Application log with:
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Hi,
we have 4 exchange 2010 servers, 2 mailbox and 2 hubcas. we are migration to 4 exchange 2013 servers, 2 mailbox and 2 hubcas.
exchange 2013 user can send and receive emails from/to internet without problems, but when i try to send email to internal users located to 2010 server i have no success.
i also can receive from exchange 2010, so the problem is only i cannot sent emails to exchange 2010 users.
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one more thing, when i open exchange queue i got this error:
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Exchange 2003 and 2010 Co existing mode

Dear all
I migrated users from exchange server 2003 to 2010.
I can send mail to external domain but i does not receive from external domain and users receive error as 550 5.1.1 users unknown.
Please do the needful
Parthiban selvaraj

Dear all
I migrated users from exchange server 2003 to 2010.
I can send mail to external domain but i does not receive from external domain and users receive error as 550 5.1.1 users unknown.
Please do the needful
Parthiban selvaraj
Users unknown? That doesnt make any sense. Is the 2010 and 2003 server in the same forest? How did you migrate these users? What server is reporting the NDR? Please post the exact NDR ( and cover up the server and domain name if required)
Twitter!: Please Note: My Posts are provided “AS IS” without warranty of any kind, either expressed or implied.

Exchange 2013 and Exchange 2010 coexistense

We have a and exchange 2010 organization with SP3 on most servers except for one 2010 CAS server that still requires SP1 for the purpose of legacy application compatibility. Can we introduce exchange 2013 in the org or will the setup detect
that there is an exchange 2010 server still with SP1 and fails to continue?

Hi,
For Exchange 2013 coexistence with Exchange 2010, the mininum version of Exchange server is Exchange 2010 SP3 on all Exchange 2010 servers in the organization. For more information about it, please refer to the Coexistence of Exchange 2013 and earlier versions
of Exchange server part in the article below:
http://technet.microsoft.com/en-us/library/jj898583(v=exchg.150).aspx
Personal suggestion, please upgrade your legacy application to the latest version which is supported with Exchange 2010 SP3 or higher Exchange version.
Regards,
Winnie Liang
TechNet Community Support

Introduction of New OAB Architecture in Exchange 2013 and Some General Troubleshooting methods

Exchange 2013 is different from previous versions of Exchange server on architecture, some of the old features have been changed. In this FAQ, I will demonstrate the changes on OAB and list a common issue for your reference.
[Agenda]
1. Differences between Exchange 2007/2010 OAB and Exchange 2013 OAB
a. Generation
b. Distribution
c. Download
2. Common issue and troubleshooting
3. More information
[Difference between Exchange 2007/2010 and Exchange 2013 on OAB]
As we know, OAB in Exchange 2007/2010 has 3 points, OAB files generated from MBX server, distributed to CAS server and downloaded to Outlook client. However in Exchange 2013, these 3 points have a little different from previous servers. For example, the OAB
Distribution process doesn’t depend on Microsoft Exchange File Distribution service anymore. Now let me show you the changes of OAB in Exchange 2013.
[OAB Generation]
====================
Exchange 2007/2010:
1. OAB generation server is the specific MBX server which has –server property.
2. If MBX01 is down, OAB generation will be affected.
3. Previous Server using Microsoft Exchange System Attendant service for OAB generation.
4. OAB generation is a scheduled process. By default, OAB files generated at 5:00AM every day.
5. The OAB files which generated from MBX server are located in following path:
C:\Program Files\Microsoft\Exchange Server\V15\ClientAccess\OAB\GUID folder
Exchange 2013:
1. OAB generation server is the MBX server that hosts a special type of arbitration mailbox, called organization mailbox. Thus, the same OAB files could be generated from multiple
MBX servers.
2. If one of the MBX server down, other MBX server still have the ability to generate the specific OAB files.
3. Exchange 2013 server using OABGeneratorAssistant for OAB Generation.
4. OAB generation is a throttled process. It depend on the Server workload.
5. The OAB files which generated from MBX server are located in following path:
C:\Program Files\Microsoft\Exchange Server\V15\ClientAccess\OAB\GUID folder
[OAB Distribution]
====================
Exchange 2007/2010:
Previous Servers use Microsoft Exchange File Distribution service to distribute OAB files from MBX server to CAS server. The distributed oab files stored in CAS server.
Exchange 2013:
The OAB files doesn’t distributed to CAS server. The OAB files only stored in MBX server.
[OAB Download]
====================
Exchange 2007/2010:
If Autodiscover works fine, Outlook should use OAB URL to get the OAB files and download it.
If Autodiscvoer doesn’t work, authenticated users can also get the OAB from the CAS server local disk.
Exchange 2013:
Microsoft Exchange File Distribution service has been removed from Exchange 2013 and the OAB files stored in MBX server. CAS server will proxy all OAB download requests to the appropriate MBX server.
Outlook also use Autodiscover to get the OAB URL and download it.
[Common issue and Troubleshooting]
Issue: Outlook doesn’t download OAB files automatically. When I try to manually download OAB, get this error: Task xxx reported error (0x80190194): The operation failed.
Troubleshooting:
1. First, please run following command to check the information of OAB Generation Server.
Get-Mailbox -Arbitration | where {$_.PersistedCapabilities -like “*OAB*”} | ft Name, Servername, Database
Example result as below:
2. Please make sure the authentication settings and URLs are set properly.
3. Try to verify whether the OAB files generated from MBX server successfully. Path as below:
C:\Program Files\Microsoft\Exchange Server\V15\ClientAccess\OAB\GUID folder
4. If all of the settings above set correctly, please try to check Autodiscover. Run “Test E-mail Autoconfiguration” to check whether there is anything abnormal on OAB. If has, please search the error code on MS official documents.
5. If this issue is related to local cache, please try to delete the OAB caches from local PC and re-download OAB for testing. Path as below:
C:\Users\Administrator.CU1(different)\AppData\Local\Microsoft\Outlook\Offline Address Books
[More information]
http://blogs.technet.com/b/exchange/archive/2012/10/26/oab-in-exchange-server-2013.aspx
http://blogs.technet.com/b/exchange/archive/2013/01/14/managing-oab-in-exchange-server-2013.aspx
Please click to vote if the post helps you. This can be beneficial to other community members reading the thread.

Hi Techy,
According to your description, I am still not quite sure about your environment. Could you please provide more information about it, such as:
1. How many Exchange servers in your coexistence environment? One Exchange 2010 with all roles and one Exchange 2013 with all roles? Or several Exchange 2010 and multiple Exchange 2013?
2. Are there two sites in your environment? What’s the Exchange deployment in different sites?
3. Please confirm if both Exchange 2010 and Exchange 2013 are Internet-facing.
Additionally, if you are using different namespaces for different services for internal access and external accessing, we need to include all service namespaces in your certificate with IIS service. Personal suggestion, we can follow ED Crowley’s suggestion
to use split-brain DNS in your environment and only use the same namespace for Exchange service URLs.
The following article described the details about how to configure different namespace for Exchange services by using Load Balance in Exchange 2013:
http://www.msexchange.org/articles-tutorials/exchange-server-2013/high-availability-recovery/introducing-load-balancing-exchange-server-2013-part2.html
Regards,
Winnie Liang
TechNet Community Support

Exchange 2013 - Outlook 2010 - 550 5.1.0 RESOLVER.ADR.InvalidInSmtp; encapsulated INVALID address inside an SMTP address

Hello,
I have issue when sending email to some addresses. Server respond with:
Remote Server returned '550 5.1.0 RESOLVER.ADR.InvalidInSmtp; encapsulated INVALID address inside an SMTP address (IMCEAINVALID-)'
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Any suggestion, how to resolve issue?
Thx.

Hi Tomas,
Does this issue occur in OWA? How is the impact, only one user or all users?
Please try to run Outlook under safe mode to avoid add-ins and AVs.
If there is any 3rd party add-ins, please try to disable them for testing.
Thanks
Please remember to mark the replies as answers if they help, and unmark the answers if they provide no help. If you have feedback for TechNet Support, contact [email protected]
Mavis Huang
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Exchange 2013 and Outlook 2007

Is there a new way to connect EX2013 to Outlook 2007 SP3?
MSB

Hi Baker,
According to the description, I notice that you want to migrate from Exchange 2010 to Exchange 2013 and want to know how to connect Exchange 2013 with Outlook Client 2007.
Following is an article about the migration, for your reference:
Upgrade from Exchange 2010 to Exchange 2013
http://technet.microsoft.com/en-us/library/jj898583(v=exchg.150).aspx
Outlook client uses Autodiscover and Outlook Anywhere to connect to Exchange server, please make sure services’ URLs configured correctly.
If you want to communicate with external users, you need to apply a certificate issued from a Public CA.
After configuring all the points above, please run “Get-Mailbox –Identity allen | FL *GUID*” in EMS to get mailbox GUID of allen’. Input the GUID into server name filed.
More details on “Manual configuration guide for Outlook 2010 (Exchange 2013)” for your reference:
http://support.sherweb.com/Faqs/show/manual-configuration-guide-for-outlook-2010-exchange-2013
Disclaimer:
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.
Best Regards,
Allen Wang

I want to know how to setup password expiry notification for outlook 2013 and 2010 in office 365

On cloud mailbox non federated how set password expiry notification for all users which is created on cloud for accepted domain mail box only configure outlook,
any other option on exchange admin center for the same,
I want to know how to setup Outlook 2013 and 2010 to receive PASSWORD EXPIRY NOTIFICATION without log in domain,

Hi
As per the information and details provided by you, to set up password expiry notification, please follow these steps: -
I suggest you run Office 365 desktop apps reffering to the steps below: -
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Step 2: - In the right pane, click
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Create failover cluster to host Windows 2012 DC, Exchange 2013 and SQL as VMs

One of our clients has running Windows Essential 2012, SQL and exchange 2007 as VM on VMware for 4 years without major issue. However, the physical server is getting old and have some hardware issues recently. They have budgets to buy two Dell servers, EqualLogic
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According to the document below, I should be able to set up one Unified Messaging service to access mailboxes on both Exchange 2010 and Exchange 2007 servers. I setup my service to point to 2010 CAS servers and I can access 2010 mailboxes, but testing 2007 mailboxes comes up with an http 200 error. If I setup the CAS server as 2007, I can access 2007 mailboxes, but get an error on 2010 mailboxes. This will be a real pain if I can't do this with one service. I don't want to have to keep Unity Connection updated as users get moved from 2007 to 2010! Anyoe know how to do this?
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Running Unity with both Exchange 2003 and 2010?

My company is planning to upgrade from Exchange 2003 to 2010. We are
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Is this something Unity can handle?

We're doing something similar, but we have an in-place Unity 7 and Exchange 2003 environment; we are putting some users from an org we support on an Exchange 2010 server, but do not want that to be the partner server (yet). The instructions seem to point you to making 2010 the partner; I'm wondering why Step 13 (of your link) we are uninstalling the Exchange Server 2003 System Management Tools, if it’s a mixed environment and 2003 will still be the partner server. I also saw somewhere that you don’t have to move the unitymsgstoresvc account to Exchange 2010 if you are in a mixed environment. Is that true? Thank you.

Difference between Exchange 2007 and 2010

Hello,
I want to know what are the differences between Exchange 2007 & 2010, i mean what was missing in 2007 which is addresses in 2010. Both from Administrator point of view and client point of view. How admins are going to benefit from 2010 and how clients
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Hasan

Hello,
Can you Please help me out, what is the Difference?
Difference between Exchange 2003 and 2007
Difference between Exchange 2007 and 2010
Thanks

Certificate configuring for exchange 2013 and office 365 hybrid deployment

Please advise on what digital certificate requirements for hybrid deployment and to configure it.

Hi sphilip,
If you want to deploy AD FS with Single Sign-On(SSO), we need use certificate to establish secure trust between on-premises Exchange 2013 and Office online.
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