Tag: Outlook

Exchange 2010 Client Access Throttling

Environment:
Windows 2008 R2 – Exchange 2010 RTM 
Later  I installed SP1 & Rollup 2 for SP1

Outlook 2003 Service Pack 3 Clients
Issue:
During normal working hours users randomly was unable to access their mailboxes when they launched their Outlook client.

The users were receiving the following Outlook message:
Outlook error

“Unable to open your default e-mail folders. The Microsoft Exchange Server computer is not available. Either there are network problems or the Microsoft Exchange Server computer is down for maintenance.”
It was also reported that some users had issues expanding additional mailboxes. (Delegate Mailboxes )
The following Outlook message appeared.

set of folders

Or users have issues opening Shared Calendars.

Solution:
http://support.microsoft.com/kb/2299468

With Get-ThrottlingPolicy you can see the value of RCAMaxConcurrency

(Exchange 2010 RTM default value 20) (Exchange 2010 SP1 default value 214748364)

I changed RCAMaxConcurrency to 214748364 and the problem is fixt:

Get-ThrottlingPolicy | set-ThrottlingPolicy -RCAMaxConcurrency 214748364

Publish Exchange 2010 With TMG (Forefront Threat Management Gateway)

When you want you use Forefront Threat Management Gateway to publish Exchange 2010 you must do the following things

1. Get a SAN Certificate.

I my case I have the following URL’s registered with the certificate.
webmail.wardvissers.nl
autodiscover.wardvissers.nl
legacy.wardvissers.nl
casarray.wardvissers.local

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2. Import the Certificate in to Exchange 2010. 
How to check HERE

3. Create on the Exchange 2010 Server a Client Access Array.
How you must do it I spoke it Configuring Client Access Array. I this case a used casarray.wardvissers.local for the client acces array.

4. Setting the internal & external url’s

Set-ClientAccessServer -Identity ward-ex01 -AutoDiscoverServiceInternalUri https://casarray.wardvissers.local/Autodiscover/Autodiscover.xml

Set-WebServicesVirtualDirectory -Identity “ward-ex01\EWS (Default Web Site)” -InternalUrl https://casarray.wardvissers.local/ews/exchange.asmx -ExternalUrl https:// webmail.wardvissers.nl/ews/exchange.asmx

Set-OABVirtualDirectory -Identity “ward-ex01\oab (Default Web Site)” -InternalUrl http:// casarray.wardvissers.local/oab -ExternalUrl https://webmail.wardvissers.nl/oab

Enable-OutlookAnywhere -Server ward-ex01 -ExternalHostname “webmail.wardvissers.nl” -ClientAuthenticationMethod “Basic”-SSLOffloading:$False

Set-ActiveSyncVirtualDirectory -Identity “ward-ex01\Microsoft-Server-ActiveSync (Default Web Site)” -InternalURL https://casarry.wardvissers.local/Microsoft-Server-Activesync
-ExternalURL https://webmail.wardvissers.nl/Microsoft-Server-Activesync

Set-ECPVirtualDirectory –Identity ward-ex01\ECP (default web site) -InternalURL https://casarry.wardvissers.local/ECP -ExternalURL https://webmail.wardvissers.nl/ECP

5. Configure Exchange 2010 for basic authentication

Set-OwaVirtualDirectory -id ward-ex01\* -BasicAuthentication $true -WindowsAuthentication $true -FormsAuthentication $false

set-WebServicesVirtualDirectory -Identity “ward-ex01\EWS (Default Web Site)” -WindowsAuthentication $true -BasicAuthentication $true

set-EcpVirtualdirectory –Identity ward-ex01\ECP (default web site) -BasicAuthentication $true -WindowsAuthentication $true -FormsAuthentication $false

set-OabVirtualDirectory -Identity “ward-ex01\oab (Default Web Site)” -WindowsAuthentication $true -BasicAuthentication $true

set-ActiveSyncVirtualDirectory -Identity “ward-ex01\Microsoft-Server-ActiveSync (Default Web Site)” -BasicAuthentication $true

6. Import the SAN certificate in to the TMG server.

1. Click Start –> Run –> Type MMC
2. Click File –> add remove Snap-in –> Certificates –> ADD –> Computer account-> Next –> finish-> ok
3. Click Personal –> certificates
4. Right Click certificates –> all task –> import –> next –> select the *.pfx file –> next –> Password –> next –> next –> Finish

7. Publish OWA

1. Publish Exchange Web Client Access

2. Exchange Publishing rule name: OWA 2010
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3. Choose Exchange Server 2010 & Outlook Web Access

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4. Next ( I have only Single TMG Server)
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5. Next
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6.Internal Site Name: Client Access Array name. My Case casarray.wardvissers.local
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7. Public Name: webmail.wardvissers.nl
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8. At this moment I have no Web Listener so we gone create them

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9. Weblister Name: HTTPS
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10. Next
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11. I choise for All Networks (and local host) because the Server has one NIC.
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12. Select the Certificate that you just imported.
image image
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13. Choise for LDAP (Active Directory)
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14. SSO Domain name: my case wardvissers.nl (External Domain name)
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15. Finish
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16. Next
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17. Next
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18. Next
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19. Finish
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8. Publish Active Sync

1. Publish Exchange Web Client Access

2. Exchange Publishing rule name: Active Sync 2010
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3. Exchange Server 2010 & Exchange ActiveSync
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4. Next
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5. Next
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6. Internal Site name: CasArray name
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7. Public Name: I my case webmail.wardvissers.nl
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8.Choise the HTTPS web listerner
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9. Next
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10. Next
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11. Finish
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Next Time I will publish how to deploy a Legacy Exchange Server 2003 & 2007 with TMG

Rollup 2 for Exchange Server 2010 Service Pack 1

Today the Exchange Team released Rollup 2 for Exchange Server 2010 Service Pack 1 (KB2425179). This update raises Exchange 2010 version number to 14.1.270.1.

If your upgrading from Exchange 2007 you need to implement this rollup because the bug Exchange 2007 OWA redirect bug with Exchange 2010 sp1 is fixed check: kb2458419

The List with Fixes:

983186 The mailbox alias of a user contains the "?" character unexpectedly after you run the "Enable-Mailbox" cmdlet to create a mailbox for the user in an Exchange Server 2010 environment

2295902 An excepted occurrence is not excluded from a recurring iCalendar message for an Exchange Server 2010 mailbox user

2385017 You cannot edit public folder items even though you are the owner of the items in an Exchange Server 2010 environment

2385194 You cannot connect to an Exchange Server 2010 mailbox by using a MAPI application when a Mailbox server and a Client Access server are installed on different computers

2397171 You cannot reply or forward a large email message on an Exchange Server 2010 mailbox

2403783 An incorrect label is displayed in the date field in a public folder item when you open the item by using OWA in an Exchange Server 2010 environment

2408924 The subject of an item is deleted when you use the "UploadItems" operation together with the "Update" action or the "UpdateOrCreate" action in an Exchange Server 2010 environment

2409597 You cannot open a public folder item when the default public folder database for the mailbox database is unavailable in an Exchange Server 2010 environment

2423776 The Exchange Information Store service crashes frequently during a public folder replication process on an Exchange Server 2010 public folder

2431500 You cannot connect to an Exchange Server 2010 mailbox simultaneously by using Outlook Anywhere from several Windows XP-based computers

2433642 The "FETCH (BODYSTRUCTURE)" command returns a corrupted file name of an email message attachment on an Exchange Server 2010 computer

2452075 You cannot connect to mailboxes in a recovery database on a server after you install Exchange Server 2010 SP1

2458005  The Exchange Mailbox Replication service crashes when you use the "New-MailboxImportRequest" command to import a PST file to an Exchange Server 2010 mailbox

2458419 "A temporary change has occurred that requires you to connect to a different server" error message when Exchange Server 2007 mailbox users try to access their mailboxes by using an Exchange Server 2010 Client Access server

2322161 The replay queue length on passive copies of mailbox databases in Database Availability Group continues to increase in an Exchange Server 2010 environment

982004 Exchange Server 2010 users cannot access the public folder

983492 You cannot view updated content of an Exchange Server 2010 public folder

983549 Exchange Server 2010 removes the sender’s email address from the recipient list in a redirected email message

Download the Hotfix HERE

Rollup 2 for Exchange Server 2007 Service Pack 3


Today the Exchange Team released Rollup 2 for Exchange Server 2007 Service Pack 3 KB2407025. This update raises Exchange 2007 version number to 8.3.137.3.

The List with fixes:
972186 Some functions do not work if you install Security Configuration Wizard on a Windows Server 2008 SP2-based Exchange Server 2007

979046 Attachments are empty when you save them by using OWA after you have applied the update of KB 958881 on an Exchange Server 2007

980038 The Microsoft Exchange System Attendant service crashes intermittently in the Oabgen.dll module on an Exchange Server 2007 server

981602 Event ID: 4999 is frequently generated in a mixed Exchange Server 2007 and Exchange Server 2003 environment

982476 The Imap4.exe process crashes intermittently on an Exchange Server 2007 server

982478 Notes URL links in a plain text message are not clickable when you open this message by using OWA in an Exchange Server 2007 environment

2028675 The MSExchangeFDS.exe process occupies lots of memory if there are thousands of OABs created on an Exchange Server 2007 server

2029086 Some characters of an email message are displayed in an incorrect text size when you access your mailbox by using OWA in Exchange Server 2007

2032216 The Microsoft Exchange Information Store service crashes on an Exchange Server 2007 server when you start it or try to mount certain databases

2121536 Exchange Server 2007 cannot index a message

2201236 The "All Day" field is marked with "No" when you access a meeting request that has a duration time that is more than 24 hours by using a mobile client through ActiveSync in an Exchange Server 2007 environment

2203212 Certain mailboxes cannot be moved from an Exchange Server 2007 server to an Exchange Server 2010 server

2210042 A sub contact folder is still visible after you set the "PR_ATTR_HIDDEN" attribute to "True" in an Exchange Server 2007 environment

2230824 The Microsoft.Exchange.POP3.exe process or the Microsoft.Exchange.Imap4.exe process may crash after you enable protocol logging for POP3 or IMAP4 on an Exchange Server 2007 server

2249814 You receive misleading information when you run the "New-TestCasConnectivityUser.ps1" script on an Exchange Server 2007 server

2263342 "The operation failed" error message in Outlook client when a user sends a recurring meeting request with an email message attachment in an Exchange Server 2007 SP2 environment

2276439 (http://support.microsoft.com/kb/2276439/ ) The Microsoft.Exchange.IMAP4.exe process crashes when an IMAP4 client retrieves a meeting request that includes exception attachments in an Exchange Server 2007 environment

2280234 "Your POP3 server has not responded in 60 seconds." error message when a POP3 client connects to an Exchange Server 2007 Client Access server to access an Exchange Server 2003 mailbox

2282570 "550 5.1.3" NDR message when an Exchange Server 2007 user sends an email message to a recipient

2265306 The Exchange Information Store service stops responding when you perform a search operation on an Exchange Server 2007 mailbox in Outlook

2282746 The "Private" sensitivity status of an occurrence of a recurring meeting request is lost when you edit the occurrence in OWA in an Exchange Server 2007 environment

2286782 The response details are still included in the response email message when you set the "EnableResponseDetails" property to "False" in an Exchange Server 2007 environment

2290105 A shared document cannot be open by using OWA after you install Exchange Server 2007 SP3 on an Exchange Server 2007 server

2290159 The POP3 service crashes on an Exchange Server 2007 server

2344372  You cannot move mailboxes to an Exchange Server 2007 server

2362371 You receive a "Success" response when using the Test-Mailflow command on an invalid or nonexistent external email address in an Exchange Server 2007 environment

2384754 "Unable to identify local server row in Replication state table for this FID" error message when you run the Information Store Integrity Checker tool on an Exchange Server 2007 server

2387915 The ESEBack component does not support ETL tracing on an Exchange Server 2007 server

2388057 The Exchange Transport service crashes on Exchange Server 2007 servers in a mixed Exchange Server 2007 and Exchange Server 2010 environment

2394731 An HTML attachment of a shared mailbox cannot be saved when you set the "BypassOwaHTMLAttachmentFiltering" setting to "True" in an Exchange Server 2007 environment

2424499 Exchange Server 2007 does not support to assign a mailbox with the "Send on behalf" permission of a security group in the EMC or in the EMS

2427297 The created time and the modified time of an attachment are incorrect when you save an email message on an Exchange Server 2007 mailbox

2430674 The "Leave message intact" method in a Folder Assistant rule does not work when you post an item by using OWA in an Exchange Server 2007 environment

Download the hotfix HERE

FREE Exchange 2010 Training available

Exchange 2010 Upgrade and Deployment (HOLO)

This 300 level hands-on labs online course (including seven hands-on labs) will prepare learners with the knowledge to engage with customers to help them implement best practices for smooth Exchange 2010 upgrades and deployments. These hands-on labs online (HOLOs) are provided at no charge to Microsoft partners, and provide IT Professionals with the essential information they need to setup, deploy, and configure Microsoft Exchange Server 2010.  The course will address gaps in knowledge around topics such as new features, upgrade paths, tools and processes to support upgrade and deployment planning.

Training includes the following curriculum:

Course (Online): Using Exchange 2010 Tools to Plan a Deployment (Part 1)

Course (Online): Using Exchange Tools to Plan a Deployment (Part 2)

Course (Online): Exchange 2010 Setup, Deployment, and Server Role Configuration

Course (Online): Configuring Mail Flow and Outlook Web Access

Course (Online): Moving Mailboxes to Exchange 2010

Course (Online): Moving Other Services to Exchange 2010 (Part 1)

Course (Online): Moving Other Services to Exchange 2010 (Part 2)
exchange 2010

Thanks to

Bryan Von Axelson

Beta Outlook 2007 Online Archive Support

I read on Henrik Walther blog about the Outlook 2007 Online Archive Support. So I checked this on my home lab. You just need to apply the Office Outlook 2007 hotfix package (released back in October 2010) and voilá, you now have access to your online archive from Outlook 2007 Open-mouthed smile. Can’t wait when it is fully supported.
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Exchange 2010 & Outlook 2010 Automatically Shared Mailboxes

When you set full access permissions with the Exchange 2010 management console on a mailbox,the user which has be giving full access right now there will filed a new property.
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The property is MSExchDelegateListLink. You can check it with adsiedit.
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When you open now Outlook 2010 you can now see that Wardtest is automatilly Added

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And additional mailboxes is empty
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When you migrating from Exchange 2007 to Exchange 2010 and upgraded the Clients to Outlook 2010
Use dis script to set the MSExchDelegateListLink object automatically. Test I first. It’s your own risk.

$a=get-MailboxPermission * | where {$_.IsInherited –eq $False –and $_.accessrights –eq “FullAccess”}
$a | remove-MailboxPermission –confirm:$false
$a | add-MailboxPermission

Save the scripts to MSExchDelegateListLink.ps1

It works great Open-mouthed smile
Source

Exchange 2007 OWA Redirect Bug Introduced with Exchange 2010 SP1

The Customer where I now work has a mix of Exchange 2007 and Exchange 2010 users.  It seems that SP1 has introduced a obvious bug.  Before I get into that, I’ll give some background on how Exchange 2010 coexists with previous versions of Exchange.
When you have a mix of Exchange 2010 and older versions in your environment, you have to do a bit of work to make the two work together for your external users.  In a nutshell, you use Exchange 2010 Client Access Server (CAS) as your primary entry point for all external users. 
Say you use webmail.wardvissers.nl as your externally accessible URL.  If an Exchange 2010 user logs in from the Internet, the Exchange 2010 CAS will do its thing and the user will get a nice Outlook Web App screen.
If an Exchange 2007 user logs in using webmail.wardvissers.nl, the Exchange 2010 CAS will redirect the user to an externally accessible Exchange 2007 CAS using a different URL (like legacy.wardvissers.nl).  The redirection is silent, but the user may notice their browser changed to legacy.wardvissers.nl
How the redirect is handled is managed by the LegacyRedirectType setting in the Exchange 2010 OWA virtual directory.  In most cases, LegacyRedirectType is set to Silent.  To see what the setting is in your environment, run:Get-OWAVirtualDirectory -Server <CASservername> | FL Identity, LegacyRedirectType

In SP1, this redirection is no longer silent.  When your Exchange 2007 user logs in via webmail.wardvissers.nl, they are presented with this screen:

The text reads:

A temporary change has occurred that requires you to connect to a different server.  To connect, click the button below.  For security reasons, you’ll be asked to enter your user name and password again.

Sure enough, when you click Connect, you are redirected to legacy.wardvissers.nl, where you have to re-enter your user information.
Thankfully, the same sort of thing doesn’t seem to happen with Outlook Anywhere or ActiveSync clients.
I checked the LegacyRedirectType value on my 2010 SP1 CAS boxes and they are all still set to Silent.  The issue occurs because the OWA virtual directory value for LegacyRedirectType is being ignored.  This is an extraordinarily unfortunate thing to have been introduced with SP1.   If you have a mixed Exchange 2007/2010 environment, I suggest you wait until the rollup 2 is out before deploying SP1. 

Update 15 December 2010

Update 2 for Exchange 2010 and the fix is there described 2458419 "A temporary change has occurred that requires you to connect to a different server" error message when Exchange Server 2007 mailbox users try to access their mailboxes by using an Exchange Server 2010 Client Access server

You can download the rollup HERE

Microsoft Exchange Server 2010 Service Pack 1 has been released

Microsoft has released Exchange SP1 Open-mouthed smile.

So What’s New in Exchange SP1:

New Deployment Functionality

During an Exchange 2010 SP1 installation, you can now select a new option to install the required Windows roles and features for each selected Exchange 2010 SP1 server role. For more information, see New Deployment Functionality in Exchange 2010 SP1.

Exchange ActiveSync

In Exchange 2010 SP1, you can manage Exchange ActiveSync devices using the Exchange Control Panel (ECP). Administrators can perform the following tasks:

  • Manage the default access level for all mobile phones and devices.
  • Set up e-mail alerts when a mobile phone or device is quarantined.
  • Personalize the message that users receive when their mobile phone or device is either recognized or quarantined.
  • Provide a list of quarantined mobile phones or devices.
  • Create and manage Exchange ActiveSync device access rules.
  • Allow or block a specific mobile phone or device for a specific user.

For every user, the administrator can perform the following tasks from the user’s property pages:

  • List the mobile phones or devices for a specific user.
  • Initiate remote wipes on mobile phones or devices.
  • Remove old mobile phone or device partnerships.
  • Create a rule for all users of a specific mobile phone or device or mobile phone type.
  • Allow or block a specific mobile phone or device for the specific user.

SMS Sync

SMS Sync is a new feature in Exchange ActiveSync that works with Windows Mobile 6.1 with the Outlook Mobile Update and with Windows Mobile 6.5. SMS Sync is the ability to synchronize messages between a mobile phone or device and an Exchange 2010 Inbox. When synchronizing a Windows Mobile phone with an Exchange 2010 mailbox, users can choose to synchronize their text messages in addition to their Inbox, Calendar, Contacts, Tasks, and Notes. When synchronizing text messages, users will be able to send and receive text messages from their Inbox. This feature is dependent on the user’s mobile phones or devices supporting this feature

Reset Virtual Directory

In Exchange 2010 SP1, you can use the new Reset Client Access Virtual Directory wizard to reset one or more Client Access server virtual directories. The new wizard makes it easier to reset a Client Access server virtual directory. One reason that you might want to reset a Client Access server virtual directory is to resolve an issue related to a damaged file on a virtual directory. In addition to resetting virtual directories, the wizard creates a log file that includes the settings for each virtual directory that you choose to reset. For more information, see Reset Client Access Virtual Directories.

Exchange Store and Mailbox Database Functionality

The following is a list of new store and mailbox database functionality in Exchange 2010 SP1:

  • With the New-MailboxRepairRequest cmdlet, you can detect and repair mailbox and database corruption issues.
  • Store limits were increased for administrative access.
  • The Database Log Growth Troubleshooter (Troubleshoot-DatabaseSpace.ps1) is a new script that allows you to control excessive log growth of mailbox databases.
  • Public Folders client permissions support was added to the Exchange Management Console (EMC).

Mailbox and Recipients Functionality

The following is a list of new mailbox and recipient functionality included in Exchange 2010 SP1:

  • Calendar Repair Assistant supports more scenarios than were available in Exchange 2010 RTM.
  • Mailbox Assistants are now all throttle-based (changed from time-based in Exchange 2010 RTM).
  • Internet calendar publishing allows users in your Exchange organization to share their Outlook calendars with a broad Internet audience.
  • Importing and exporting .pst files now uses the Mailbox Replication service and doesn’t require Outlook.
  • Hierarchical address book support allows you to create and configure your address lists and offline address books in a hierarchical view.
  • Distribution group naming policies allow you to configure string text that will be appended or prepended to a distribution group’s name when it’s created.
  • Soft-delete of mailboxes after move completion

High Availability and Site Resilience Functionality

The following is a list of new high availability and site resilience functionality included in Exchange 2010 SP1:

  • Continuous replication – block mode
  • Active mailbox database redistribution
  • Enhanced datacenter activation coordination mode support
  • New and enhanced management and monitoring scripts
  • Exchange Management Console user interface enhancements
  • Improvements in failover performance

Messaging Policy and Compliance Functionality

The following is a list of new messaging policy and compliance functionality included in Exchange 2010 SP1:

  • Provision personal archive on a different mailbox database
  • Import historical mailbox data to personal archive
  • Delegate access to personal archive
  • New retention policy user interface
  • Support for creating retention policy tags for Calendar and Tasks default folders
  • Opt-in personal tags
  • Multi-Mailbox Search preview
  • Annotations in Multi-Mailbox Search
  • Multi-Mailbox Search data de-duplication
  • WebReady Document Viewing of IRM-protected messages in Outlook Web App
  • IRM in Exchange ActiveSync for protocol-level IRM
  • IRM logging
  • Mailbox audit logging

Technet Exchange 2010 SP1 info
Release Notes for Exchange Server 2010 SP1
What’s New in Exchange 2010 SP1
Downloads:
Microsoft Exchange Server 2010 Service Pack 1
Microsoft Exchange Server 2010 SP1 Language Pack Bundle
Exchange Server 2010 SP1 UM Language Packs
Exchange Server 2010 SP1 Help

Exchange 2010 MapiExceptionLogonFailed: Unable to make connection to the server

The Error that I get when I did a local move request to move a user to a another mailbox database.
The new user cannot send email & could not login to Outlook Web Access.

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Error:
Failed to communicate with the mailbox database.

MapiExceptionLogonFailed: Unable to make connection to the server. (hr=0x80040111, ec=1010)
Diagnostic context:
    Lid: 37053   Win32Error: 0x6A6
    Lid: 23065   EcDoConnectEx called [length=48]
    Lid: 17913   EcDoConnectEx returned [ec=0x0][length=48][latency=31]
    Lid: 18969   EcDoRpcExt2 called [length=313]
    Lid: 27161   EcDoRpcExt2 returned [ec=0x3F2][length=342][latency=46]
    Lid: 41073   StoreEc: 0x3F2    
    Lid: 48243 
    Lid: 50033   StoreEc: 0x3F2    
    Lid: 1494    —- Remote Context Beg —-
    Lid: 1238    Remote Context Overflow
    Lid: 49213   StoreEc: 0x8004010F
    Lid: 48573 
    Lid: 64957   StoreEc: 0x8004010F
    Lid: 56253 
    Lid: 65085   StoreEc: 0x8004010F
    Lid: 40381 
    Lid: 56765   StoreEc: 0x8004010F
    Lid: 31229   Error: 0x0
    Lid: 19149   Error: 0x0
    Lid: 24509   Error: 0x0
    Lid: 1219    StoreEc: 0x8004010F
    Lid: 3225    StoreEc: 0x8004010F
    Lid: 60049   StoreEc: 0x8004010F
    Lid: 49469 
    Lid: 65341   StoreEc: 0x8004010F
    Lid: 56125 
    Lid: 47933   StoreEc: 0x8004010F
    Lid: 32829 
    Lid: 49213   StoreEc: 0x8004010F
    Lid: 48573 
    Lid: 64957   StoreEc: 0x8004010F
    Lid: 31229   Error: 0x0
    Lid: 19149   Error: 0x0
    Lid: 24509   Error: 0x0
    Lid: 1219    StoreEc: 0x8004010F
    Lid: 24041 
    Lid: 13488   StoreEc: 0x3F2    
    Lid: 28780 
    Lid: 20076   StoreEc: 0x3F2    
    Lid: 57713   StoreEc: 0x3F2    
    Lid: 49009   StoreEc: 0x3F2    
    Lid: 1750    —- Remote Context End —-
    Lid: 52465   StoreEc: 0x3F2    
    Lid: 60065 
    Lid: 33777   StoreEc: 0x3F2    
    Lid: 59805 
    Lid: 52209   StoreEc: 0x3F2    
    Lid: 19778 
    Lid: 27970   StoreEc: 0x3F2    
    Lid: 17730 
    Lid: 25922   StoreEc: 0x3F2    

Exchange Management Shell command attempted:
‘wardvissers.local/wardvissers/wardtest2’ | New-MoveRequest -TargetDatabase ‘MailStore II’

Elapsed Time: 00:00:01

Solution:

I backup the AD with Windows Backup for sure.

Then I suspend and dismounted every mailbox database.

I opened ADSIEDIT.MSC to check the value of HomeMDB and homeMTA:

Go to:
CN=Configuration->CN=Services->CN=Microsoft Exchange->CN=wardvissers->CN=Administrative Groups->CN=Exchange Administrative Group (FYDIBOHF23SPDLT)->CN=Servers->CN=DAGEK10-01->CN=Microsoft System Attendant

The value by my mailbox server looks a bid strange:
HomeMDB: CN=InformationStore,CN=DAGEK10-02,CN=Servers,CN=Exchange Administrative Group (FYDIBOHF23SPDLT),CN=Administrative Groups,CN=wardvissers,CN=Microsoft Exchange,CN=Services,CN=Configuration,DC=wardvissers,DC=local

HomeMTA: CN=Microsoft MTA,CN=DAGEK10-01,CN=Servers,CN=Exchange Administrative Group (FYDIBOHF23SPDLT),CN=Administrative Groups,CN=wardvissers,CN=Microsoft Exchange,CN=Services,CN=Configuration,DC=wardvissers,DC=local

Clear the Value bij HomeMDB & HomeMTA like the picture below.
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Important:
Clear the value by every mailbox server if you have a dag cluster

Restarted the Microsoft Exchange System Attendant Service on every mailbox server.

Mounted & Resuming the mailbox database. Now the users could login again in OWA Smile.

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