Exchange 2007 and 2013 coexistance Problem

We are in the process to migrate our current Exchange 2007 to Exchange 2013.
Our environment is as follows:
HT01= Hub CAS Server (Exchange 2007)
MB1, MB2 = Mailbox CCR Cluster (Exchange 2007)
CAS1= CAS Server (Exchange 2013)
MBNew1, MBNew2 = Mailbox Servers (Exchange 2013)
Emails for users that are on Exchange 2007 can send and receive external emails. But they cannot send emails to users that are on Exchange 2013.
Users on Exchange 2013 can send/receive externally, send to Exchange 2007 users, but cannot receive emails from Exchange 2007 Users.

Are you getting any NDR? Post it.
Cheers,
Gulab Prasad
Technology Consultant
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Similar Messages

Exchange 2007 and 2013 coexistent

Hi
Ive installed exchange 2013 in my domain where exchange 2007 is installed. The servers can see each other and mailbox migration works.
The problems im having is with owa, outlook and activesync. When going (internally) to exchange2013/owa site and login in with a user thats on 2007 i have to log in twice, once on each owa site. I belive that the same will happen with activesync and thus
not work?
the users ive move to exchange 2013 are getting promted to type in user and pass every time!
my setup is exchange 2007 sp3 ru11 and exchange 2013 without any cu
thanks for the help

The most common problem that I have seen has caused by having the wrong authentication methods configured for Outlook Anywhere on both the new and legacy server. You might want to start a new thread for that problem.
Martina Miskovic

ActiveSync in Exchange 2007 and 2013 Coexistence

Hi,
I have exchange 2007 and 2013 coexisting (exchange 2007 sp3 update rollup 13/exchange 2013 SP1)
owa works fine from inside and outside, only that it requires users to authenticate twice when connecting from the external.
autodiscover works well for users on both 2007 and 2013
I have a public SAN certificate from verisign with 2 names on it, mail.mydomain.com and legacy.mydomain.com
I have A records configured for both names on my public DNS and internal DNS
THE ISSUES
testing activesync from testconnectivity.microsoft.com works fine when i run the test using a mailbox on Exch2013 but fails for mailbox on Exch2007.
New users on exch2007 & exch2013 are not able to setup email on their devices (blackberry and windows mobile),
Existing users on exch2007 can no longer receive mails on their mobile devices
URLs
Exchange 2007
Exchange 2013
Internal owa
mydomain.com/owa
mail.mydomain/owa
External owa
legacy.mydomain.com/owa
mail.mydomain.com/owa
AutoDiscover
mail.mydomain.com
mail.mydomain.com
EWS
legacy.mydomain.com
mail.mydomain.com
ECP
mail.mydomain.com
Internal ActiveSync
legacy.mydomain.com
mail.mydomain.com
External ActiveSync
$null
mail.mydomain.com
OutlookAnywhere
legacy.mydomain.com
mail.mydomain.com
I expect that users on exch2013 would be able to setup their mobile devices as the connectivity test completes successfully but it still does not.
Any help on this would be much appreciated ..
Richard ..
..forever is just a minute away*

You don't need to use a legacy URL for ActiveSync in Exchange 2013. It will proxy ActiveSync for Exchange 2007 just fine. In fact, ActiveSync is usually the protocol that gives you the least amount of trouble in a transition. I recommend
you configure your URLs for the proxy configuration and point everything to Exchange 2013 CAS.
http://blogs.technet.com/b/exchange/archive/2013/01/25/exchange-2013-client-access-server-role.aspx
http://technet.microsoft.com/en-us/library/bb310763(v=exchg.141).aspx
Ed Crowley MVP "There are seldom good technological solutions to behavioral problems."

Free/Busy not working Exchange 2007 and 2013 co-existence

Hi,
I'm migrating our Exchange 2007 environment to Exchange 2013. Now I am in a co-existence environment where all the mailboxes except some test-users resides on Exchange 2007. Between Users on the same Exchange MBX Server athe FREE/BUSY Information sharing
works correctly, but between Exchange 2007 and 2013 it's not working.
I verified my settings and also the EWS virtual directory on 2007 CAS Servers using Get-WebServicesVirtualDirectory.
The internal and the external URLs are set to https://legacy.mydomain.com/....
What am I missing?
Thanks & Kind Regards,
Jürgen

Hi,
According to your description, I understand that the free/busy information between Exchange 2007 and Exchange 2013 is not available for your coexistence environment. To narrow down the issue, please check the following points:
1. Does the issue happen to all users or specific users?
2. Although a user on Exchange 2013 can't get free/busy information from a user on Exchange 2007, please confirm whether Exchange 2007 user can get free/busy information from Exchange 2013 users.
3. Close Outlook and only access user mailbox from OWA to check whether the issue persists. For Outlook client,
create a new Outlook profile
to have a try.
4. Please make sure the virtual directories settings are configured correctly in both Exchange 2013 and Exchange 2007.
Virtual directories settings in Exchange 2007:
http://blogs.technet.com/b/meamcs/archive/2013/07/25/part-3-step-by-step-exchange-2007-to-2013-migration.aspx
Certificate and Virtual directories settings in Exchange 2013:
http://blogs.technet.com/b/meamcs/archive/2013/07/25/part-2-step-by-step-exchange-2007-to-2013-migration.aspx
5. Restart IIS service in Exchange server by running iisreset /noforce from a command prompt window.
If possible, please run Test E-mail AutoConfiguration in Outlook to check whether the autodiscover service can get correct Availability service URL in the results. If there is any event logs, please collect some for further analysis.
Regards,
Winnie Liang
TechNet Community Support

Exchange 2007 and 2013 coexistence

Hi,
we have exchange 2007 and 2013 coexistence. we have created a new url for 2007 legacy servers. Now, when using OWA url (now set for exchange 2013 server) i am getting OWA exchange 2007 login page for exchange 2007 mailboxs.
I was expecting exchange 2013 OWA page and then redirection to OWA 2007.
Thanks

Hello,
Please check your DNS configuration and ISA/TMG rules.
We recommend you use TMG or UAG.
You can refer to the "TMG rules" section in the following article:
http://blogs.technet.com/b/meamcs/archive/2013/07/25/part-3-step-by-step-exchange-2007-to-2013-migration.aspx
Cara Chen
TechNet Community Support

Coexistence Exchange 2007 and 2013 - Clients on 2013 cant connect to Outlook, OWA works fine

Hi
We are currently running all our users on Exchange 2007. I've installed Exchange 2013 on another hardware following several guides on coexistence between 2007 and 2013.
I'm now testing with a few test users I've migrated from 2007 to 2013.
Everything was working fine until I messed up with something. It's either the certificates and/or Exchange Web Services and/or activating Outlook Anywhere.
Now, all my tests users on Exchange 2013 can connect and send/receive emails on OWA, but Outlook clients cannot connect to Exchange server.
When I start Outlook, I get the error Unable to open the default mail folders
When I try to create a new Outlook profile, I get the error: "The action cannot be completed. The connection to Microsoft Exchange is unavailable. Outlook must be online or connected to complete this action"
When I click on Check Name, I get: "The name cannot be resolved. The connection to Microsoft Exchange is unavailable. Outlook must be online or connected to complete this action"
Thanks for any help you could provide
Martin

Changed the
ExternalClientAuthenticationMethod for the 2007 server.
Output for Get-OutlookAnywhere | fl *method*
ExternalClientAuthenticationMethod : Ntlm
InternalClientAuthenticationMethod : Ntlm
IISAuthenticationMethods : {Basic, Ntlm, Negotiate}
ExternalClientAuthenticationMethod : Ntlm
InternalClientAuthenticationMethod : Ntlm
IISAuthenticationMethods : {Basic, Ntlm, Negotiate}
Now everytime I try to create an Outlook profile whose mailbox is on Exchange 2013 it's
asking for credentials.
If I dig further and try to manually configure server settings:
If I specify the Exchange 2013 server and try a 'Check
Name', it says: "Outlook cannot log on. Verify you are connected to the network and are using the proper server and mailbox name. The connection to Microsoft Exchange is unavailable. Outlook must be online or connected to complete this action."
If I specify the Exchange 2007 server and try a 'Check
Name', the server changes for the fqdn of the 2013 server and it does resolve 'Check Name' process. Clicking on Next at this point completes the 'Add new e-mail account wizard". But is I try to start Outlook, I got an error saying "Microsoft Exchange is unavailable"
Any other thoughts on this issue?
Thanks,
Martin

Exchange 2007 and 2013 Co-existnec - ActiveSync Issue

Hi
We have introduced Exchange 2013 servers in our existing Exchange 2007 environment. We have a customized Exchange 2007 ActiveSync setup i:e we created a custom separate website in IIS for ActiveSync to serve the ActiveSync devices. After the introduction
of Exchange 2013 CAS servers, when we installed the new certificate on them and configured the virtual directory with ActiveSync URLs, the Exchange 2013 servers seems to be receiving Activesync requests but they can't just proxy it to Exchange 2007 for some
reason. following Warning is logged on Exchange 2013 servers:
[Eas] Marking ClientAccess 2010 server MIA-EXCAS01.utg.uvn.net (https://mia-excas01.utg.uvn.net/Microsoft-Server-ActiveSync) as unhealthy due to exception: System.Net.WebException: The remote server returned an error: (503) Server Unavailable.
at System.Net.HttpWebRequest.GetResponse()
at Microsoft.Exchange.HttpProxy.ProtocolPingStrategyBase.Ping(Uri url)
We still need to install new Certificate on the Exchange 2007 servers. Wondering what could be the issue here, can Exchange 2013 proxy the connection to Exchange 2007 on a custom website ? or it looks for one under Default Website?
Can the absence of new certificate (meaning certificate mismatch) lead to this issue?
Thanks
Taranjeet Singh
zamn

Actually 2013 can proxy ActiveSync to 2007
Please follow this.
1. Set AutodiscoverInternalURL using this command for every CAS server
Set-ClientAccessserver -identity -CAS1 -AutodiscoverInternalURI
https://mail.yourcompany.com/autodiscover/autodiscover.xml (for FQDN , using your CAS NLB name if exist)
2. Set OWA virtualdirectoy (2013) via EAC
Internal URL : https://mail.yourcompany.com/owa External URL : https://mail.yourcompany.com/owa
3. Set ECP virtualdirectory (2013) via EAC
Internal URL : https://mail.yourcompany.com/ecp External URL : https://mail.yourcompany.com/ecp
4. Set OAB virtualdirectory (2013) via EAC
Internal URL : https://mail.yourcompany.com/OAB External URL :
https://mail.yourcompany.com/OAB
5. Set EWS virtualdirectory (2013) via EAC
Internal URL : https://mail.yourcompany.com/EWS/Exchange.asmx External URL :
https://mail.yourcompany.com/EWS/Exchange.asmx
6. Set ActiveSync virtualdirectory (2013) viaEAC
Internal URL : https://mail.yourcompany.com/Microsoft-Active-Sync
External URL : https://mail.yourcompany.com/Microsoft-Active-Sync
For 2007
1. Set AutodiscoverInternalURL using this command for every CAS server
Set-ClientAccessserver -identity -CAS1 -AutodiscoverInternalURI
https://mail.yourcompany.com/autodiscover/autodiscover.xml (for FQDN , using your CAS NLB name)
2. Create DNS record
legacy.yourcompany.com = your CAS2007 NLB (if exist)
3. Set OWA virtualdirectory (2007) via EMC
External URL = https://legacy.yourcompany.com/owa
4. Set ActiveSync (2007) via EMC
Internal URL = https://serverFQDN/Microsoft-Active-Sync <<<< Using for proxy
External URL =
https://legacy.yourcompany.com/Microsoft-Active-Sync <<<< Using for redirect
5. OAB via EMC
External URL = https://legacy.yourcompany.com/OAB
6. EWS via Exchange shell
External URL = https://legacy.yourcompany.com/EWS/Exchange.asmx
FYI

Coexistence with Exchange 2007 and 2013

Hi everyone ,
i migrated this week to exchange 2013 in coexistence with exchange 2007 ,,,, is it normal that i cannot create anymore a mailbox on the exchange 2007 server even with the console (ecp) in 2013 ??
thanks

Provided an answer on your other thread
https://social.technet.microsoft.com/Forums/en-US/393a2406-5202-4d21-9583-2e4beed574be/create-mailbox-on-2007?forum=exchangesvrgeneral
Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread

Exchange 2010 and 2013, Coexisting "OWA" and "ActiveSync" 1 Public IP.

Hello Everyone.
I find myself in a bit of a dilemma and in a desperate need for some well educated help.
Scenario: Server 1 (Small Business Server 2011 Standard) with Exchange 2010
Server 2 (Server 2012 Standard) with Exchange 2013
1 Static Public IP Address
This used to be one domain that split into two separate entities that are still occupying the same office space.
All port forwarding is currently pointing to the SBS and everything there is working properly. I setup a new receive connector on the SBS that is forwarding the mail for domain 2 to the "Exchange 2013" server and mail flow in and out is working
100%.
The problem lies with OWA and ActiveSync.
I tried changing the SSL port in IIS on Server 2 from 443 to 1443 and forwarded those ports to server 2 from the router, then OWA works externally, but for some reason the clients on the local network can't connect anymore, so I had to drop that idea after
being unable to find the cause.
The only other thing I can think to try, is to setup HTTP redirection on the SBS IIS or adding the mail.domain2.com in the SBS DNS or something.
I have searched for hours but can't find anything specific to my scenario. Any and all help will be greatly appreciated.
Any and all help will be greatly appreciated.
Thank you in advance.
Hentie Loots

You need to use ARR.
http://www.iis.net/downloads/microsoft/application-request-routing
It is essentially like a basic proxy service. So the SBS would receive an SSL connection for mail.domain2.com and instead of it failing it would be redirected internally to the second server.
Robert Pearman SBS MVP
itauthority.co.uk |
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GAL and Free Busy Information during Exchange 2007 and 2013 coexistence

Hello Everyone,
I am finishing up an Exchange 2013 migration from 2007. I am currently still in coexistence and had some questions around the Global Address List and Free Busy Information.
How to I tell if my clients are pulling address book information from my Exchange 2013 or 2007 Global Address List? I don't want to remove the 2007 system if the clients are pulling from it. All mailboxes are moved to Exchange 2013.
How do I make sure my clients are pulling the Fee Busy Information from Exchange 2013 or 2007? If I remove my 2007 servers will my clients lose Free Busy Information?
How do I tell what Exchange version my clients are getting this information from?
Thanks for any assistance!
Ian...

Hello,
Free/busy information are retrieved from user’s mailbox by EWS service.
GAL(I think you may refer to OAB), we can use the following command to get it’s generated server:
Get-OfflineAddressBook |FL
Thanks,
Please remember to mark the replies as answers if they help and unmark them if they provide no help. If you have feedback for TechNet Subscriber Support, contact
[email protected]
Simon Wu
TechNet Community Support

Exchange 2010 and 2013 coexisting in separate trusted AD Forests, same email domain.

Im in a bind here.
Here is my scenario: We have domain 1, lets call this old-domain.corp that has an exchange server 2010 with MBX, CAS and HT role. We created a new domain, lets call this new-domain.corp that we migrated all our users AD accounts using ADMT from our old domain
to our new-domain.corp. We have both domains trusted two way, and we converted all our mailboxes on our old exchange 2010 server in our old domain to “linked mailboxes” with the owners of the mailboxes belonging to their new-domain.corp accounts.
This all works well currently.
What im trying to do now is have mailboxes live natively in the new-domain.corp on the new exchange 2013 server (only MBX role) I just built, whilst still having mailboxes working on our old-domain.corp while we migrate the mailboxes to the new. What
is the best way to achieve this? Right now I can create new mailboxes on the new server and send emails (using owa), but receiving is an issue since once mail is routed to my exchange 2010 (old) server it doesn’t keep going to the new exchange 2013 server.
Some details
Exchange 2010 – old-domain.corp – MBX, CAS, HT – latest rollup and exchange updates as of a week ago.
Exchange 2013 – new-domain.corp trusted two way with old domain - MBX
140 users - Single email domain name space
All on premise
Thank you,

Hi
In your case first you would need to bring Exchange 2013 CAS into the new domain.
Point all the web services URL to the Exchange 2013 CAS server
Redirect your firewall to receive all the emails to Exchange 2013 server
Then you would need to preparemove request and then once the objects are created then you would need to run new move request to move all the mailboxes from old domain to the new domain
One good article for your reference
http://msexchangeguru.com/2013/11/03/e2013crossforestmigration/
Remember to mark as helpful if you find my contribution useful or as an answer if it does answer your question.That will encourage me - and others - to take time out to help you Check out my latest blog posts on http://exchangequery.com Thanks Sathish
(MVP)

OWA Coexistence 2007 and 2013

Hi
We are currently coexisting exchange 2007 and 2013 servers. Everything works fine, except OWA from the external.
Our domain is limocar.int.
Exchange 2007: exch2007
Exchange 2013: exch2013
On our internal DNS server, I've created legacy.limocar.int pointing to exch2007's IP address.
Exch2013 internal OWA: https://exch2013.limocar.int/owa
Exch2013 external OWA: https://mail.ourcompany.com/owa (where "ourcompany" is our company name)
EXCH2007 internal OWA was set to $NULL
EXCH2007 external OWA: https://legacy.limocar.int/owa
From the outside, I can log any 2013 users. But when I try to log a 2007 user, it changes the browser url to legacy.limocar.int, which indeed gives an error "The page cannot be displayed"
What am I doing wrong? instead of using legacy.limocar.int, should I use legacy.ourcompany.com? If so I will ask our public DNS to create legacy.ourcompany.com
Thanks for your help,
Martin

The legacy namespace is used not only for OWA.
As Krishna mentioned, all OWA users will hit the Exchange 2013 OWA URL (ex. OWA.yourcompany.com). The Exchange 2013 will check where the user mailbox resides and if it is an Exchange 2007 MBX, it will use the legacy URL that is configured in Exchange 2007
(ex. legacy.yourcompany.com) and silently redirect the clients to it.
The reason you need to seriously consider using the same external and internal URL (***.youcompany.com) and avoid using internal FQDN or NetBIOS names is the so called BR v1:
===================================================
Baseline Requirements for the Issuance and Management of Publicly-Trusted Certificates, Version 1.0
BR 1.0 - Adopted by CA/Browser Forum (includes over 30 CA members and major browser vendors: Microsoft, Apple, Mozilla, Google, Opera)
Effective as of July 1, 2012
• CA SHALL NOT issue a certificate with an Expiry Date later than 1 November 2015 with a SAN or Subject Common Name field containing a Reserved IP Address or Internal Server Name.
• Effective 1 October 2016, CAs SHALL revoke all unexpired Certificates whose SAN or Subject Common Name field contains a Reserved IP Address or Internal Server Name.
===================================================

Autodiscover service overlap between Exchnage 2007 and 2013 mailboxes

Hi,<o:p></o:p>
I have Exchange 2007 Legacy environment and owa/rpc/activesync/autodiscover configured with DNS name owa.domain.com.<o:p></o:p>
I have installed Exchange 2013 and owa/rpc/activesync/autodiscover configured with DNS name mobile.domain.com.<o:p></o:p>
Its a requirement to retain different URL for Exchange 2007 and 2013.<o:p></o:p>
Now...Exchange 2007 users RPC over http is broken because their outlook rpc setting is automatically getting configured to mobile.domain.com which belongs to Exchange 2013.<o:p></o:p>
I know I have thought about updating the hostfile for Exchange 2007 clients to achieve this.Without changing the URL and
retaining the existing DNS names, can we prevent RPC over https outlook setting changes for Exchange 2007 users alone?

Hi,
You can deploy localxml for Exchange 2007 user:
http://support.microsoft.com/kb/2212902/en-gb
Thanks,
Please remember to mark the replies as answers if they help and unmark them if they provide no help. If you have feedback for TechNet Subscriber Support, contact
[email protected]
Simon Wu
TechNet Community Support

I update my exchange server 2013 cu6 with exchange 2007 and my exchange 2013 db shutdown every 25 minute and recover. You have any hotfix I can use for this solution.

I update my exchange server 2013 cu6 with exchange 2007 and my exchange 2013 db shutdown every 25 minute and recover. You have any hotfix I can use for this solution.

Hi,
From your description, you have deployed Microsoft Exchange Server 2013 and Microsoft Exchange Server 2007 in a co-existence environment. After you upgrade to CU6, databases unexpectedly shut down. In your case, here is a kb for your reference.
Exchange Server 2013 databases unexpectedly fail over in a co-existence environment with Exchange Server 2007
http://support2.microsoft.com/kb/2997209
Hope this can be helpful to you.
Best regards,
Amy Wang
TechNet Community Support

Issue moving remote user from exchange 2007 to 2013

have moved over 60 people so far from exchange 2007 to 2013, it was going well with no major problems.
during migration I have created a DNS setting called legacy.mydomain.com, and it points to the old exchange server, while mail.mydomain.com points to the new exchange server.
outlook was working connecting to both servers, and OWA was working on both servers.
couple of remote users who connect via SSL-VPN and outlook 2010 had issues connecting, but as soon as I moved them to 2013 exchange they connected without vpn using outlook anywhere.
but - I have one remote user who even though the mailbox move to the new 2013 server was successful, their outlook still points to the 2007 exchange server.
if I try creating a new profile in outlook 2013, it fails because it cannot contact exchange server, even when ssl-vpn is running.
when I started troubleshooting I found lots of spyware on his laptop, symantec had been blocking some trojans, obviously he had downloaded something he shouldnt have.
could this have caused my outlook connectivity issue?
I ran malawarebytes, and it shows clean now, but still unable to get his outlook to connect.
I had thought about moving his mailbox back to the old server, seeing if it works on outlook, then moving it to the new one again.
any suggestions?

I had thought about moving his mailbox back to the old server, seeing if it works on outlook, then moving it to the new one again.
Hi,
Have you done this step? Sometimes moving mailbox to another database can auto-fix problems.
According to your description, I know that all migrated mailboxes work well except a specific user. I notice that the user's laptop has a lots of spyware, and symantec has been clocking some trojans.
Please try to logon OWA to check whether this user works.
If works in OWA, it seems that the mailbox has been migrated to 2013 successfully.
Generally, re-creating profile can fix this issue. Unfortunately, you have tried it and failed.
Please try to run Outlook under safe mode to avoid AVs and add-ins.
Thanks
Mavis Huang
TechNet Community Support

Exchange 2007 and 2013 coexistance Problem

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