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
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.

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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
currently using Unity 7.0. We'd like to run the two in parrallel for a bit and take our time switching users over.
Now I've read that Unity can support Exchange 2010, but I haven't found anything about running Unity using both Exchange 2003 and 2010 in parrallel.
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.

Public folders are not in sync after settting up Replicas between Exchange 2003 and 2010

I have setup Public Folder replicas between the 2 Exchange servers and I can see all the top and sub level folders.
For those mailboxes that were migrated over to Exchange 2010, I have noticied a lower number of item contents in these fodders when views from an Outlook client whose mailbox had been migrated over to Exchange 2010.
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Hi,
The "Resend changes" and "Synchronize content" options in Exchange 2003 ESM are used to initiate hierarchy and content replication.
To update public folder hierarchy and content from Exchange 2010 side, you can use the following commands.
Update-PublicFolderHierarchy
Update-PublicFolder
Please run the Get-publicfolderstatistics cmdlet to get public folder details such as item count, this information will help you compare content replicated between the source and destination servers.
Besides, here is a blog about public folder replication troubleshooting for your reference.
http://blogs.technet.com/b/exchange/archive/2006/01/17/417611.aspx
Hope this is helpful to you.
Best regards,
If you have feedback for TechNet Subscriber Support, contact
[email protected]
Belinda Ma
TechNet Community Support

Exchange 2013 and 2010 co-existance

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HQKemp 2400 A
HQKemp 2400 B
DCKemp 2400 A        DCKemp 2400 B
172.16.1.104
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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 2003 to 2010 Migration Active-Sync & OWA

I am in the process of migrating from Exchange 2003 to Exchange 2010. I have a co-existence running currently. I have moved 1 mail box over to the new exchange server (a test account I created). I have 2 questions, one about OWA and the other about Active-Sync/Mobile
access.
1. When I log into my internal OWA site I can access the webmail just fine. However when I try to go to my external OWA site I get a HTTP Error 404. I have setup the weblink https://webmail.company.com in my external DNS record. However the internal link
says it is https://webmail.company.com/owa. Is there something additional that needs to be setup in IIS for the external site to work or only after the migration is completed?
2. I tried adding the account I migrated to my cell phone for mail but I just get a "Connection to server has failed" message. The internal and external link for mobile access is both the same and setup in external DNS https://mail.comapny.com.
Is this a feature that only works after the migration is completed? I have ports 80,443,143,25,993 open in my sonicwall for e-mail services. However the IP is still set to my old exchange server. Is it possible to have 2 settings the same in sonicwall with
2 different IP's? Last time I tried it with migrating my VPN neither VPN server worked after that.
Any help and insight would be greatly appreciated. I am new to systems administration and this is my first exchange migration

Hi,
Here are my answers you can refer to :
1. To deploy OWA in the Exchange 2003 and 2010 coexistence, we need a legacy namespace for the Exchange 2003 server.
For more information, you can refer to the following article:
http://blogs.technet.com/b/exchange/archive/2009/12/02/3408921.aspx
Additionally, for the 404 error, I recommend you check the IIS log to find the root cause:
http://support.microsoft.com/kb/943891
2. I recommend you deploy Exchange 2010 in the "Internet Facing AD Site" and Exchange 2003 server in the "Non-Internet facing AD site": set the external URL in CAS 2010 and point mail.company.com to Exchange 2010 server IP address.
For more information, you can refer to the following article:
http://blogs.technet.com/b/exchange/archive/2009/12/08/3408985.aspx
thanks,
Angela Shi
TechNet Community Support

Migrating exchange 2003 to 2010 while everyone is running SMTP, POP3 and IMAP on the old exchange 2003

Hi all
We have a legacy Exchange 2003 running with more than 800 users and with a very mixed configuration for client access. Most of users are running POP3/SMTP on the Exchange, some are running IMAP/SMTP and some are running MAPI access.
Please note that THERE IS NO WAY that we move all users to MAPI access before the installation (due to deadlines).
We plan to install a new Exchange 2010, starting with a CAS/HUB server. We do not need to migrate users automatically, and we can proceed later to move them individually to the new Exchange 2010 infrastructure in a non-transparent way.
More importantly, we need to maintain that everyone receives their e-mail and all communication through the exchange 2003 continues uninterrupted.
My question is can we install the new CAS/HUB server, while maintaining the old exchange server running with it's old name and create new names for the CAS/HUB server. In such a configuration, will all the Exchange 2003 services continue to run as usual
(POP3/IMAP/SMTP/MAPI)?

In addition, you may also spend some times at below mentioned helpful resources to check the prerequisites before moving all mailboxes from exchange 2003 to 2010 :
http://exchangeserverpro.com/wp-content/uploads/2011/02/Exchange-Server-2003-to-2010-Migration-Guide-V1.3-Planning-Chapter.pdf
http://technet.microsoft.com/en-us/library/dd638130(v=exchg.141).aspx
https://www.simple-talk.com/sysadmin/exchange/upgrade-exchange-2003-to-exchange-2010/
Moreover, to avoid any interruption during the completion of migration process, you can also take a look at this application(http://www.exchangemigrationtool.com/) that could be a good alternate approach
for you.

Exchange 2003 + Outlook 2010 hangs if deleted shared mailbox exists into profile

Environment - Exchange 2003 + Outlook 2010 published via Citrix
We recently did the cleanup of shared mailboxes which are no longer needed. However post our activity we found that many users are reporting that their Outlook is hanging for a long time during startup and it continues while working on outlook. Upon investigation
we found that their Outlook profile was having 1 or 2 shared mailboxes listed which were deleted from organization. As soon these shared mailboxes were removed from profile the Outlook started working fine.
Is this know issue of Outlook and if any hotfix available for same, I have already checked the 'download shared folder' option which isn't selected.
Absar

Hi,
Maybe the issue is related to the default behavior in Outlook.
How about try the following:
http://support.microsoft.com/kb/982697
Best regards,
Rex Zhang
TechNet Community Support

Removing dead Exchange 2003 and Exchange 2000 Server from the domain

Hi Team,
I have come across a client who wants to migrate to O365 from existing Exchange 2003 environment through the Hybrid Model. I am trying to introduce 2010 Sp3 to the environment. While checking the environment using Exchange pre-deployment found 2 servers
in the environment which is not present on the network now. Client has no clue what they are.
One is Exchange 2003 and the other is Exchange 2000. The problem here is i cannot introduce Exchange 2010 Sp3 unless all the Exchange servers are running minimum Exchange 2003 Sp2.
At present i find only 2 exchange 2003 Sp2 server which are in production. Need kind assistance to move forward.

Hi,
I recommend you follow the steps below:
1. Please upgrade Exchange 2000 and Exchange 2003 to Exchange 2003 SP2 at first.
2. Deploy Exchange 2010 servers in this order: CAS, Hub, UM and Mailbox. For more information, here is an article for your reference:
Exchange 2003 - Planning Roadmap for Upgrade and Coexistence
http://technet.microsoft.com/en-us/library/aa998186(v=exchg.141).aspx
3. Install Exchange 2010 SP3.
Here is an article for your reference.
Upgrade Exchange 2010 to Exchange 2010 SP1, Exchange 2010 SP2, or Exchange 2010 SP3
http://technet.microsoft.com/en-us/library/bb629560(v=exchg.141).aspx
About a hybrid deployment with Microsoft Office 365 using Microsoft Exchange Server 2010 servers, here is an article for your reference.
Understanding Upgrading Office 365 Tenants for Exchange 2010-based Hybrid Deployments
http://technet.microsoft.com/en-us/library/jj945383(v=exchg.141).aspx
Hope it helps.
If there are any problems, please feel free to let me know.
Best regards,
Amy
Amy Wang
TechNet Community Support

Exchange 2003 to 2010 Migration

Hello,
I seem to have ran into issues with Default GAL, default address lists, email address policies, OAB, etc.
Background: Exchange 2003, with one FE and one BE server with multiple domains for mail access. We decided to migrate to 2010 and have one hyper-v server with 3 VMS running AD, CAS/HT and MBX roles respectively. All the AD preparations and installation (exchange
2010 Sp2) of CAS/HT role was smooth. When I installed the MBX role it was successful but could not see Public Folder Database and was unable to create one because of AddressList errors and had to be upgraded to 2010. Since there were multiple domains, LDAP
filter were used and those had to be updated with OPATH filters and I used the "ConvertFrom-LdapFilter.ps1" script to convert and upgrade to 2010. I could do this for all the custom address lists but it did not run for "All Users", "All
Groups" "All Contacts" as it says ADObject cannot be found on exchange2003 server.
I created a test mailbox on the new server and could login using OWA but cannot see GAL or search for addresses. I could send and receive email from 2010 to both 2003 mailbox & external domain with no issues. I did configure the CAS role with legacy
URL (existing OWA URL https://myweb.domain.net/exchange) for exchange2003 and a new URL (https://mymail.domain.net/owa) for exchange 2010 and also enabled Outlook Anywhere, MS Active Sync, etc. But I cannot setup outlook using autodiscover or even manually
by providing the info. I have to start migrating users and this has become a big show stopper and would appreciate if anyone could help/guide me through this to troubleshoot/fix the issues and move the mailboxes ASAP.
Some errors:
[PS] C:\>Set-AddressList "All Users" -IncludedRecipients MailboxUsers
The operation couldn't be performed because object 'All Users' couldn't be found on 'exchange2003.domain.com'.
+ CategoryInfo : NotSpecified: (0:Int32) [Set-AddressList], ManagementObjectNotFoundException
+ FullyQualifiedErrorId : 779DEB5D,Microsoft.Exchange.Management.SystemConfigurationTasks.SetAddressList
+ PSComputerName : cas01.domain.com
[PS] C:\>Set-AddressList "All Groups" -IncludedRecipients MailboxUsers
The operation couldn't be performed because object 'All Groups' couldn't be found on 'exchange2003.domain.com'.
+ CategoryInfo : NotSpecified: (0:Int32) [Set-AddressList], ManagementObjectNotFoundException
+ FullyQualifiedErrorId : 45369D2F,Microsoft.Exchange.Management.SystemConfigurationTasks.SetAddressList
+ PSComputerName : cas01.itqubate.com
[PS] C:\>Set-AddressList "All Contacts" -IncludedRecipients MailboxUsers
The operation couldn't be performed because object 'All Contacts' couldn't be found on 'exchange2003.domain.com'.
+ CategoryInfo : NotSpecified: (0:Int32) [Set-AddressList], ManagementObjectNotFoundException
+ FullyQualifiedErrorId : 4D78E094,Microsoft.Exchange.Management.SystemConfigurationTasks.SetAddressList
+ PSComputerName : cas01.domain.com
[PS] C:\>Set-GlobalAddressList "Default Global Address List" -RecipientFilter {(Alias -ne $null -and (ObjectClass -eq 'u
ser' -or ObjectClass -eq 'contact' -or ObjectClass -eq 'msExchSystemMailbox' -or ObjectClass -eq 'msExchDynamicDistribut
ionList' -or ObjectClass -eq 'group' -or ObjectClass -eq 'publicFolder'))}
You can't peform this operation on default global address list "Default Global Address List".
+ CategoryInfo : InvalidOperation: (\Default Global Address List:ADObjectId) [Set-GlobalAddressList], Inv
alidOperationException
+ FullyQualifiedErrorId : 7815D31B,Microsoft.Exchange.Management.SystemConfigurationTasks.SetGlobalAddressList
+ PSComputerName : cas01.domain.com
[PS] C:\>Get-AddressList "Default Global Address List" | Format-List Name,*RecipientFilter*,ExchangeVersion
The operation couldn't be performed because object 'Default Global Address List' couldn't be found on
'exchange2003.domain.com'.
+ CategoryInfo : NotSpecified: (:) [Get-AddressList], ManagementObjectNotFoundException
+ FullyQualifiedErrorId : D96C5897,Microsoft.Exchange.Management.SystemConfigurationTasks.GetAddressList
+ PSComputerName : cas01.domain.com
Thanks,
SyedSF

Hi SyedSF,
From your problem description, it seems that you have a permission problem here. Maybe you have had Address List Segregation configured in Exchange 2003 and that is not supported in Exchange 2010.
I recommend you to use ADSIEdit to check the permissions on "All Address Lists", "All Global Address Lists" and "Offline Address Lists". Include inherited permissions should be checked and "Authenticated Users" should have the permissions read and "Open
address list".
What's more, here are some similar threads for your reference.
Exchange 2010 Migration - No Default GAL (or any lists)
http://social.technet.microsoft.com/Forums/exchange/en-US/f1b7aafa-2774-4959-94b2-4f2fbdd9fe4d/exchange-2010-migration-no-default-gal-or-any-lists
Problem with Get-addresslist when transitioning exchange 2003 to exchange 2010
http://social.technet.microsoft.com/Forums/exchange/en-US/53150d23-45cf-4708-a920-577c40998ad9/problem-with-getaddresslist-when-transitioning-exchange-2003-to-exchange-2010
Hope it helps.
Best regards,
Amy

Upgrade Custom Recipient Policies as part of Exchange 2003 to 2010 Migration

Hello,
We have Exchange 2003 and Exchange 2010 in co-existence. I have migrated all Mailboxes to Exchange 2010. Now I want to upgrade Recipient Policies.
We have 1 Default Policy, which I know how to upgrade
Set-EmailAddressPolicy "Default Policy" -IncludedRecipients AllReipients.
But my I dont know how to do it for 2 other Custom Policies. I came to know about the conversion scripts (http://technet.microsoft.com/en-us/library/dd351283.aspx)
but not sure how to run. I mean simply run the script on Exchange 2010 server or any special parameters needs to be included.
I can let you know the custom policies if required.
Thanks,
Mihir

Hello Niko,
I have already gone through this article, but it states for the "Default Policy". For custom policy it says
"Warning:
if you happen to do this on Recipient Policies that have (advanced) LDAP queries, all custom filters can be reset to "mailnickname=*"
which can result significant email outages. You have to test all these changes in a dedicated lab environment to see how these changes will affect your Exchange environment!"
I want to know about Custom Receipient Policies, not the Address list.
Custom Policy 1
(&(&(& (mailnickname=*) (| (&(objectCategory=person)(objectClass=user)(!(homeMDB=*))(!(msExchHomeServerName=*)))(&(objectCategory=person)(objectClass=user)(|(homeMDB=*)(msExchHomeServerName=*)))(&(objectCategory=person)(objectClass=contact))(objectCategory=group)(objectCategory=publicFolder)(objectCategory=msExchDynamicDistributionList)
Custom Policy 2
(&(ou>="")(name=DOMAINNAME*))
Custom Policy 3
(&(mailNickname=*)(legacyExchangeDN=/O=NAME/OU=OURNAME/*))
So how to convert this custom policies.
Thanks,
Mihir

Migration Exchange 2003 to 2010 routing connector

Hello
At least we deside to migrate from 2003 to 2010 Exchange now i'm preparing and stuck around one question.
In our Exchange 2003 organization we have couple backend servers and one frontend on which OWA is installed.
OWA server placed to second routing group others backend server in first routing group.
Roitung group connected to each other by connector.
So the question - when i install CAS Exchange 2010 he asked me with which Exchange 2003 server i want to create connector - which server i should choose? Backend or Frontend which placed in different RG?

It doesn't really matter, it is a connector between your 2010 and 2003 servers.
You can choose the backend servers as it will reduce one hop in your case. Do make sure that you make the connector redundant by adding atleast two 2003 and 2010 servers as source and target servers in both connectors.
There will be two connectors - one from 2003 to 2010 and another from 2010 to 2003.

Exchange 2003 to 2010 migration issues

Hello,
I have installed exchange 2010 in my legacy 2003 environment six months ago.
i have moved all the mailboxes, Public folders to exchange 2010 and created routing group connectors between 2003 -2010.
now unfortunately the legacy server got crashed. now the problem is we are unable to receive emails.
Can somebody help on this.
Thanks,
Sanjay.

you need to verify that mail flow is configured for exchange 2001
Verify that Internet mail flow is configured to route through your Exchange 2010 transport servers. For more information, see the following topics:
Configure Internet Mail Flow Directly Through a Hub Transport Server - https://technet.microsoft.com/en-us/library/bb738138(v=exchg.141).aspx
Configure Internet Mail Flow Through a Subscribed Edge Transport
Server - https://technet.microsoft.com/en-us/library/bb738158(v=exchg.141).asp
To verify that all inbound protocol services (Microsoft Exchange ActiveSync, Microsoft Office Outlook Web App, Outlook Anywhere, POP3, IMAP4, Autodiscover service, and any other Exchange
Web service) are configured for Exchange 2010, see Managing Client Access Servers. - https://technet.microsoft.com/en-us/library/aa997850(v=exchg.141).aspx
For other steps follow the article: https://technet.microsoft.com/en-us/library/gg576862(v=exchg.141).aspx
Pavan Maganti ~ ( Exchange | 2003/2007/2010/E15(2013)) ~~ Please remember to click “Vote As Helpful" if it really helps and "Mark as Answer” if it answers your question, “Unmark as Answer” if a marked post does not actually answer your
question. ~~ This Information is provided is "AS IS" and confers NO Rights!!

Exchange 2003 to 2010 SP3 migrate system PF

Hello.
We on the road to move to Exchange 2010 and i have a question
Which system PF i need to replicate to Exchange 2010
I have:
Offline address book:
/o=orgname=cn addrlists/cn=oabs/cn=Defaul Offline Address Book (which replicated between exch 2003 and 2010) and subfolders there:
OAB version 2 (replicated between 2003 and 2010)
OAB version 3a (replicated between 2003 and 2010)
OAB version 4 (replicated between 2003 and 2010)
EX:/o=sovbank/ou=Exchange Administrative Group (FYDIBOHF23SPDLT) (don't have any replica at all)
EX:/o=sovbank/ou=First Administrative Group (replicated between 2003 and 2010)
Shedule and Free Busy folder which contain subfolder:
EX:/o=sovbank/ou=Exchange Administrative Group (FYDIBOHF23SPDLT) (don't have any replica at all)
EX:/O=SOVBANK/OU=EXTERNAL (FYDIBOHF23SPDLT) (don't have any replica at all)
EX:/o=sovbank/ou=First Administrative Group (replicated between 2003 and 2010)
Question is - did i add all replica right?
Can i execute MoveAllReplica.ps1 or i miss something?
P.S. We don't use EFORM so i don't repicate it at all

Each time you create a new user mailbox, the user account receive the LegacyExchangeDN property.
This property is set only once and will match the administrative group that the mailbox server belong to.
In a Exchange 2003/2010 migration, your old user will have a legacyDN strting with EX:/o=sovbank/ou=First Administrative Group[..] while the user recently created in E2010 will have EX:/o=sovbank/ou=Exchange
Administrative Group (FYDIBOHF23SPDLT) [...]
So what is the link between this and the PF? The answer is outlook.
When an outlook client, with a mailbox hosted on E2003, create a meeting request with other users and check for the availability, that query is against the public folder Schedule freebusy folder of each users.
That folder is updated, by outlook, each time you create an appointement or accept a meeting request. In the background outlook "push" your free/busy status to his "local"public folder. see here
http://technet.microsoft.com/en-us/library/aa996946(EXCHG.65).aspx
In E2010 native, the query are handled by the availability service however that service is not reachable by E2003, or outlook 2003, therefore for backward compatibility any outlook client (even outlook 2010) connected to an E2010 mailbox will also
"push" the free busy data to the local PF.
If you see "unable to read FREE busy data" when creating a meeting,between E2003 and E2010, that is because your local PF does not have a replica of that information for this user.
So to answer the question, yes the folder Shedule and Free busy -EX:/o=sovbank/ou=Exchange Administrative Group
(FYDIBOHF23SPDLT) need to be replicated on all servers.

Exchange 2003 to 2010 migration move public folder

Hello.
I'm on the road to Exchange 2010 migration and stuck at on question
All tutorial says then you want to replicate system PF and Public Folders you need to add PF 2010 in ESM and set replication to Urgent,that's all
But then i view my system PF replication on Exchange 2010 i see checkbox Use public folder is checked and replication shedule on Exchange 2010 is set to Never run(greyed out)
Is this right? Or i need to uncheck it and then shedule is set to Always run automaticly?
Do i need to do it for all PF? (system and non-system)?

Hi stevemaystr,
Don’t worry about the replication of PF, we can use the MoveAllReplicas.ps1 and ReplaceReplicaOnPFRecursive.ps1 script to move all public folder and all replicas to another database, please refer to:
http://technet.microsoft.com/en-us/library/bb331970(v=exchg.141).aspx
Additional, I find an similar thread about Migrate PF from Exchange 2003 to Exchange 2010, for your reference:
https://social.technet.microsoft.com/Forums/exchange/en-US/2dc27efa-d19c-4929-a2f1-54523c847d2a/moving-public-folders-from-exchange-2003-to-2010?forum=exchange2010
Best Regards,
Allen Wang

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
will see changes in their outlook 2010 because of Exchange 2010?
Hasan

Hello,
Can you Please help me out, what is the Difference?
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Exchange 2003 and 2010 Co existing mode

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