Topic Last Modified: 2008-05-15

See the "Legal Notice" section later in this document for important information.

Welcome to Microsoft Exchange Server 2007. This document contains the following sections:

Release Notes for Exchange Server 2007 Management Pack for Microsoft Operations Manager

The release notes for the Microsoft Exchange Server 2007 Management Pack for Microsoft Operations Manager are available as a stand-alone .htm file from the Microsoft Exchange Server 2007 Management Pack for Microsoft Operations Manager Web page.

Known Issues

In this release of Exchange 2007, known issues are described in the following sections:

  • Setup   Issues that affect setup, upgrade, or are affected by setting up a new Exchange 2007 server.

  • Windows Server   Issues related to a specific build of Microsoft Windows Server, or that will affect a Windows server.

  • Unified Messaging   Issues related to the Unified Messaging (UM) server role.

  • Mailbox   Issues related to the Mailbox server role.

  • Client Access   Issues related to the Client Access server (CAS) role.

  • Edge and Hub Transport   Issues related to the Hub Transport or Edge Transport server roles.

  • Single Copy Clusters   Issues related to single copy clusters (SCC).

  • Cluster Continuous Replication and Local Continuous Replication   Issues related to cluster continuous replication (CCR) and local continuous replication (LCR).

  • Miscellaneous   Issues not related to a particular product, feature, or server role.


  • Setup does not support commas at the command line   Setup does not support the use of commas in network names at the command line. To work around this issue, specify a network name with a comma in an answer file.

  • Manual steps needed to remove the last Exchange 200x server   You must take some steps to remove the last Exchange 2000 or 2003 server from your organization. See "How to Remove the Last Exchange 200X server" later in this document.

    Features that were available in Exchange 2003 and Exchange 2000 are not available in Exchange 2007. You should be familiar with the changes in functionality before you remove the last Exchange 2000 or 2003 server from the organization. For the complete list of changes, see Discontinued Features and De-Emphasized Functionality.
  • Upgrade from previous versions of Exchange 2007 not supported   Upgrades from previous versions of Exchange 2007 (formerly Exchange "12"), such as Beta 2, are not supported unless noted by your involvement in a prerelease program such as the Rapid Deployment Program (RDP). You must uninstall previous versions of Exchange 2007, and then install the original release (RTM) version of Exchange 2007.

  • Administration tools-only upgrades from previous builds of Exchange 2007 not supported   Upgrading the Exchange 2007 administration tools from previous versions of Exchange 2007 is not supported. To upgrade the administration tools, you must uninstall and then reinstall the RTM version of Exchange 2007.

  • Windows 2003 Enterprise Edition required for clustered mailbox servers   Microsoft Windows Server 2003, Enterprise Edition is required to use the cluster continuous replication and single copy cluster features in Exchange 2007.

  • Existing Exchange installations   If you are installing into an organization that contains Exchange servers, those servers must meet the following requirements:

    • No Exchange Server 5.5 servers are in the forest.

    • Exchange Server 2003 servers must have at least Exchange Server 2003 Service Pack 2 installed.

    • Exchange 2000 Server servers in your organization must have at least Exchange 2000 Server Service Pack 3 installed.

  • Organizations with Exchange 2000 Server require an update to the Exchange 2000 Exchange System Manager   Before you install Exchange 2007 into an organization with Exchange 2000 servers, the Exchange 2000 servers require the installation of the latest Microsoft Exchange 2000 Server Post-Service Pack 3 (SP3) Update Rollup. The Exchange 2007 setup prerequisite checks cannot detect whether this rollup is installed. The update rollup includes the updated exadmin.dll, which helps the Exchange 2000 Exchange System Manager work with Exchange 2007 object versioning. Without the update rollup, the Exchange 2000 Exchange System Manager is versioning unaware. For more information about the update rollup and to download the update rollup, see Microsoft Knowledge Base article 87540, Availability of the August 2004 Exchange 2000 Server Post-Service Pack 3 Update Rollup.

    If you have computers that have the Exchange 2000 Exchange System Manager installed, such as computers running Microsoft Windows XP, you should also install the latest Exchange 2000 Server Post-Service Pack 3 (SP3) Update Rollup on those computers also.
  • 64-bit version of msclus.dll required to administer an Exchange 2007 cluster   Installing the 64-bit administration pack on Microsoft Windows XP installs the 32-bit version of msclus.dll, not the 64-bit version. The Exchange 2007 administration tools require the 64-bit version. To work around this issue, copy "%systemroot%\system32\msclus.dll" from a 64-bit Windows Server 2003 server to the same location on the 64-bit Windows XP machine and run "regsvr32 %systemroot%\system32\msclus.dll".

  • The default accepted SMTP domain is automatically set to your Active Directory FQDN during setup   When you install Exchange 2007, it uses the Active Directory directory service domain name for the default accepted domain. Some Active Directory DNS zones are internal only and have no relationship to your external DNS zone. To set a new accepted domain, see "How to Create Accepted Domains" in the Exchange 2007 Help.

Windows Server

  • Windows x64 introduces CDOEX and ExOLEDB instabilities   The x64 version of Windows Server 2003 can lead to instability in certain components that depend upon ExOLEDB or CDOEX. You may encounter store crashes due to this instability. If you are experiencing these crashes, see Knowledge Base Article 918980, FIX: The IRow::GetColumns function of the Exchange OLE DB provider unexpectedly returns error code 0x80010105 on a server that is running a 64-bit version of Windows Server 2003 Service Pack 1.

  • Installing or running the RTM version of Exchange 2007 on computers that are running the Windows Server 2008 operating system is not supported. Consider the following when you are planning to deploy Windows Server 2008 in your environment:

    • It is not supported to upgrade your operating system to Windows Server 2008 and then upgrade Exchange 2007 to Exchange 2007 SP1.

    • It is also not supported to upgrade Exchange 2007 to Exchange 2007 SP1 and then upgrade your operating system to Windows Server 2008.

    • To deploy Exchange 2007 SP1 on Windows Server 2008, you must install Windows Server 2008 on a computer that does not have Microsoft Exchange installed, and then install Exchange 2007 SP1.

      For information about Exchange 2007 SP1, visit the Microsoft Exchange Server 2007 SP1 Release Notes Web page. 

Unified Messaging

  • Inbound faxes might not be received or received as incomplete when the fax is sent using certain fax machines   Inbound faxes might not be received or received as incomplete when the fax is sent using certain fax machines and is routed through an AudioCodes gateway. To fix this issue, change the configuration file for the gateway and set the baud rate to 9600 instead of the default 14400. To change this setting, see the AudioCodes documentation at the Microsoft Exchange 2007 UM Resource Page at

    The third-party Web site information in this topic is provided to help you find the technical information you need. The URLs are subject to change without notice. 
  • Cannot add, remove, or change extensions to a UM-enabled user   After enabling a user for Unified Messaging with one extension, you cannot add, remove, or change extensions. You may want to change extensions for a user if they are migrating from a test to a production environment, and you may want to add extensions to a user if you wanted to add a secondary or fax number. You can effectively change the extension by running disable-UMMailbox on the user and then running Enable-UMMailbox with the new extension and/or additional extensions. See the following Exchange Management Shell example:

    Copy Code
    Enable-UMMailbox -identity:<user> -extensions:<ext1>, <ext2>, ...
    After this command has been run, the user's UM mailbox PIN will be reset.
  • UM might crash when a gateway name is not formatted correctly   When running Unified Messaging in Session Initiation Protocol (SIP)-secured mode, the Unified Messaging worker process may crash. This situation occurs if there is a gateway with an IP address that resolves to a fully qualified domain name (FQDN) that matches another gateway or Exchange server with a name not entirely in lower-case characters. In this situation, existing phone calls will be dropped. The workaround is to specify an FQDN in all lower-case characters instead of using an IP address when using the new-UMIPGateway cmdlet and running in SIP-secured mode.


  • Removal of the System Attendant mailbox causes some mailbox operations to fail   If the mailbox database containing the System Attendant mailbox is deleted, move mailbox operations will fail on the server from which the move mailbox operation is being run. The failure error is: "Error was found for <mailbox name> because: The information store could not be opened. The MAPI provider failed. MAPI 1.0 ID no: 8004011d-0289-00000000, error code: -1056636928". To resolve this error, create a database on the server, and the System Attendant mailbox will be automatically re-created.

Client Access

  • Registry key settings required to support self-signed SSL certificates over multiple CAS servers    Exchange 2007 installs with a default self-signed Secure Sockets Layer (SSL) certificate. You can use this certificate when enabling SSL for Exchange ActiveSync, Microsoft Office Outlook Web Access, and the Availability service; however, users will receive a prompt because the certificate is considered invalid by most client applications. Exchange ActiveSync and Microsoft Office Outlook Web Access support proxying from one Client Access server to another Client Access server. In order for proxying to be successful when a self-signed certificate is used, you must configure the following registry keys as shown:

    • HKLM\System\CurrentControlSet\Services\MSExchangeOWA\AllowInternalUntrustedCerts = 1

    • HKLM\System\CurrentControlSet\Services\MSExchangeOWA\AllowExternalUntrustedCerts = 1

    Incorrectly editing the registry can cause serious problems that may require you to reinstall your operating system. Problems resulting from editing the registry incorrectly may not be able to be resolved. Before editing the registry, back up any valuable data. 
  • Internet Explorer 7 page zoom feature can cause errors with Outlook Web Access   Using the Windows Internet Explorer 7.0 page zoom feature with the Exchange Server 2007 version of Office Outlook Web Access causes the insertion point to display incorrectly on the screen. This can cause unexpected behavior. To work around this issue, change the font size instead of using the zoom feature in Internet Explorer 7.0.

  • Domain Controller hotfix required if Exchange 2007 is connected to a non-English domain controller for the address book to function properly in Outlook Web Access   If you are using Outlook Web Access and the Client Access server is connected to a domain controller running a non-English version of Windows, you must install the hotfix described in Knowledge Base article 919166 on your domain controller. Without this hotfix, address book operations in Outlook Web Access will fail if your users' User Interface locale setting is different from the domain controller culture. See Knowledge Base article 919166, The address book function on Exchange 12 is broken when the Exchange OWA client and the Windows Server 2003-based domain controller do not have the same locale setting.

Edge and Hub Transport

  • A subscribed Edge Transport server might not appear as licensed to the Exchange organization   For Edge Transport servers to appear licensed, the license key must be applied on the Edge Transport server before the Edge Subscription is created. If the license key was applied after subscription, you must remove the Edge Subscription from both the Edge Transport server and the Active Directory site and start the subscription process from the beginning.

  • EdgeSync issues when all Hub Transport servers are removed   Hub Transport servers deployed after an Edge Subscription is created will not participate in EdgeSync. To have the new Hub Transport server synchronize data to Edge server(s), you must remove the Edge Subscriptions in the organization and on each Edge server. Then, perform the subscription process again.

Single Copy Clusters

  • Running the New-Mailbox cmdlet on a single copy cluster with more then two active nodes   When a single copy cluster with more than two active clustered mailbox servers is deployed, the New-Mailbox cmdlet fails on at least one of the clustered mailbox servers. Specifically, the New-Mailbox cmdlet fails with the following message:

    Error: A proxy generator DLL on server <servername> could not be found or failed to initialize. Proxy addresses for the current recipient cannot be calculated. Please ensure that all the proxy address generator DLLs have been installed on the target server.

    The failure is the result of a missing object in Active Directory. The object is correctly created for the first clustered mailbox server that is created in the cluster, but the object is not correct for subsequent mailbox servers. You can fix the issue by manually creating the object as described in Knowledge Base article How to enable mailbox creation on the second or later clustered mailbox server (CMS) of an Exchange 2007 Single Copy Cluster (SCC)

    You may experience the same problem on all clustered mailbox servers if you delete the first clustered mailbox server and then add a different clustered mailbox server back. Even when experiencing this problem, the Move-Mailbox cmdlet functionality works correctly. Therefore, users can be moved to the server without issue.

Cluster Continuous Replication and Local Continuous Replication

  • Multiple Exchange Server Administrator groups incorrectly created   Performing New-ClusteredMailboxServer and then Remove-ClusteredMailboxServer repeatedly leaves many Exchange Server Administrator groups in Active Directory.

  • Error with event ID 7005 is by design   This error can be ignored. The Microsoft Exchange Transport Log Search service (MSExchangeTransportLogSearch) logs error event ID 7005 (ComputerNameNotCurrentlyAvailableException) every 10 minutes on the passive node in a cluster. This action occurs because MSExchangeTransportLogSearch can't obtain the configuration of a clustered mailbox server. On clustered nodes, the Mailbox server name is not the same as Environment.MachineName Therefore, MSExchangeTransportLogSearch can't find the local server, which is what is used to perform message tracking searches. The transport log search service works only on the active node; on the passive node, it just waits to become active.

  • Get-StorageGroupCopyStatus can report incorrect status   In the following scenarios, Get-StorageGroupCopyStatus reports a status of healthy even when the status is not healthy:

    • Logical database corruption occurs, resulting in the database being unmountable on both the active and passive nodes.

    • No backup is available for some reason; therefore, at the file system level, all database-related files are deleted on both nodes of the cluster and a new, blank database is mounted. Alternatively, an old backup is restored, but the entire set of logs required to bring the database fully up-to-date is missing. In either case, the log generation on the active node lags behind what the passive node is expecting, so the passive node keeps waiting for the "next" log file to show up.

      In these situations, Get-StorageGroupCopyStatus shows the database as healthy, when no data is present on the passive node. Restarting the Microsoft Exchange Replication Service will cause the health status to be reported correctly.


  • SMTP Bytes sent performance counter is not counting every byte sent   The SMTP Bytes sent performance counter does not count correctly the message bytes; it is counting only the protocol conversation and it is not counting Transport Layer Security (TLS) information. Message bytes are the bytes in a message (for example, just message size).

  • Build version numbers vary   The Exchange Server 2007 RTM build version number is 685.25. When you view the version in the Exchange Management Console or in the AdminDisplayVersion property of Exchange Server in the Exchange Management Shell, they show the version as 685.24 instead of 685.25. When you view the Exchange version in the Registry, it shows 685.25. In addition, the Microsoft Operations Manager (MOM) shows the Exchange servers as 685.25. Outlook indicates that you're connected to 685.24. These inconstancies are by design and can be ignored.

  • Setting the GzipLevel property of Outlook Web Access to High causes compressed attachments to become corrupt   Compressed files (for example, .zip files) accessed through Microsoft Windows SharePoint will also be corrupt if Windows SharePoint and the Exchange CAS role are installed on the same machine, and the Outlook Web Access GzipLevel property is set to High. If your users do not access compressed files, it is acceptable to set the GzipLevel property to High (for example, set-owavirtualdirectory -identity <OWA_Site> -GzipLevel High). If your users do work with compressed files, either disable compression (set GzipLevel to Off), or leave it at its default value of Low. Installing SharePoint and the Exchange CAS role on the same server is not recommended.

  • After you install Microsoft .NET Framework 2.0 Update for Exchange 2007, scripting and macros functionality might not work correctly for VSA or macros in Visual Studio   If you have installed Microsoft .NET Framework 2.0 Update for Exchange 2007 and are working with applications using either Microsoft Visual Studio for Applications (VSA) or macros in Microsoft Visual Studio with Exchange 2007, scripting and macros functionality might not work correctly. The issue occurs because the VSA component DLLs cannot be launched correctly. An update is available for this issue. To run VSA/Visual Studio Macros applications, download the VSA Runtime hotfix (FIX: Custom applications that use the Visual Studio for Applications Visual Basic Runtime may be unable to compile macros or to run macros ). To create, debug, or compile macros by using VSA or Visual Studio, also download the appropriate design-time hotfix, FIX: You cannot run a macro in Visual Studio 2005.

  • The event log entry with the source MSExchangeTransport and event ID 1036 is inaccurate   The current text of event ID 1036 states "Inbound direct trust certificate with thumbprint %1 has expired. Run New-ExchangeCertificate to generate a new direct trust certificate." The event should state "The default TLS certificate for the server has been superseded but the new certificate has not been enabled for SMTP. Please run Enable-ExchangeCertificate to enable the new certificate for SMTP."

  • Serbian-Latin (Sr-Latn-CS) is not supported in Exchange 2007; only Serbian-Cyrillic (Sr-Cyrl-CS) is supported   The Exchange 2007 Beta 2 release stated that both languages would be supported. Serbian-Latin (Sr-Latn-CS) is not supported in Exchange 2007. Only Serbian-Cyrillic (Sr-Cyrl-CS) is supported.

  • SCW registration will fail on non-English versions of Exchange 2007 running on Windows MUI mode   Security Configuration Wizard (SCW) registration is necessary to use SCW with Exchange 2007 on Windows Multilingual User Interface (MUI) Pack mode. SCW registration will fail on a server that has a non-English version of Exchange 2007 installed. To work around this issue, open Exchange2007.xml and Exchange2007Edge.xml files in the <installdir>\scripts folder and then change the LocaleID setting to "0409" within the SCWLocalization tag.

  • Unlimited message size limits ignored and set to Exchange 2007 defaults on upgrade   Exchange Server 2003 message limits are set to Exchange 2007 default values after the first Exchange 2007 server is installed if the Exchange 2003 message limits were set to unlimited.

  • Exchange Server Administrators rights are required to operate the Exchange Queue Viewer   Exchange Server Administrators rights are required to operate the Queue Viewer. You must log on by using a domain account that has the permissions assigned to the Exchange Server Administrators role. The account must also be a member of the local Administrators group on the computer on which you are running the Queue Viewer.

  • The export command syntax documented in the Help topic, "How to Deploy Message Classification for Outlook 2007" is incorrect   The export command syntax documented in the Exchange 2007 Help topic "How to Deploy Message Classification for Outlook 2007" is incorrect. In addition, the message classification export functionality has been updated. The correct information is as follows:

    • To export all existing message classifications to a Classifications.xml file, run the following command:

      Copy Code
      ./Export-OutlookClassification.ps1 >path\Classifications.xml
    • To export all existing message classifications of a specific locale to a Classifications.xml file, run the following command, where "en" is the locale code:

      Copy Code
      ./Export-OutlookClassification.ps1 -Locale "en" >Classifications.xml
      The Locale parameter takes a data type of CultureInfo. For more information about the CultureInfo data type, see the table of predefined culture names and identifiers at CultureInfo Class. If the locale does not exist, no message classifications are written to the Classifications.xml file.

      You cannot pipe specific message classification instances to the Export-OutlookClassification.ps1 script. To remove specific message classifications, you must manually remove the instances from the Classifications.xml file.
  • Exchange ActiveSync should be disabled for users on a dial tone database   When a mobile device synchronizes to a dial tone database, duplicate items can be created in the user's mailbox. You should disable Exchange ActiveSync for users whose mailboxes are in a dial tone database. The following Exchange Management Shell command is an example of how to disable Exchange ActiveSync for a single user:

    Copy Code
    Set-CASMailbox <user_name> -ActiveSyncEnabled:$False
  • Exchange Server Administrators group should be Exchange Server Administrators role   Several Help topics currently state "To perform the following must log on by using a domain account that has the permissions assigned to the Exchange Server Administrators group." There is no such security group. Instead, the required permissions are that the account has to be a member of the Exchange Server Administrators role. You can grant this role to a user or group by using the Add-ExchangeAdministrator cmdlet in the Exchange Management Shell. You can also grant this role by using the Add Exchange Administrator Wizard in the Exchange Management Console.

  • The "User must change password at next logon" check box does not reflect changes if "Password never expires" is set to true   In Active Directory Users and Computers, if you select User must change password at next logon and the Password never expires check box is also selected and then you click Apply, a warning message is shown and the user will not be required to change the password at next logon. Currently, when you change the User must change password at next logon setting in the Exchange Management Shell and the Exchange Management Console and Password never expires is selected, the change is ignored, but no warning is displayed.

  • Security settings restrict you from viewing .chm files   Enhanced security settings restrict you from viewing a .chm file from a file share. If the Exchange Server setup.exe is accessed remotely, the Help shortcut on the opening screen renders the .chm with a page-not-found error. To fix this issue, copy the exchhelp.chm file from the network share to your local hard drive, and then open the file from the local drive to view the Help. For more information, see Knowledge Base article 896358, MS05-026: A vulnerability in HTML Help could allow remote code execution.

  • Manage all address lists from the Exchange 2007 Management Console   Managing address lists in the Exchange 2003 Exchange System Manager that were created in the Exchange 2007 Management Console will cause errors and could crash Exchange System Manager. You should manage all address lists created in Exchange 2007 only from the Exchange Management Console.

  • You cannot administer down-level servers from the Exchange Management Console   You cannot administer servers that are running Exchange Server 2003 or Exchange 2000 Server from the Exchange Management Console, except for tasks that have been documented in this or other documents published on the Microsoft Web site.

  • You cannot administer Exchange 2007 servers from down-level administration consoles   You cannot administer Exchange 2007 servers from the management console of a server that is running Exchange Server 2003 or Exchange 2000, except for tasks that have been documented in this or other documents published on the Microsoft Web site.

  • Active Directory Users and Computers should not be used to create Exchange 2007 objects   If the Exchange System Manager is installed, Active Directory Users and Computers allows you to create mailboxes on Exchange 2007 servers. However, this action is not supported. Mailboxes created in this way are considered “legacy” (Exchange 2003 or Exchange 2000) mailboxes, even though they are on an Exchange 2007 server. Exchange 2007 has no Recipient Update Service to update user attributes. Users created in Active Directory Users and Computers would not be fully configured unless there was an Exchange 2000 Server server or an Exchange Server 2003 server in the organization that had a Recipient Update Service configured to provision the newly created mailbox.

Workarounds for Selected Known Issues

This section contains the following information:

  • How to remove the last Exchange 200x server

How to Remove the Last Exchange 200x Server

This section provides the steps that you must take to correctly remove the last Exchange 200x server from an Exchange 2007 organization. There are steps that you must take before removing the server, and then you can actually remove the last Exchange 200X server.

How to prepare to remove the last Exchange 200x server from an Exchange Server 2007 organization

  1. Finish moving all mailboxes to Exchange 2007. For more information about moving mailboxes, see How to Move a Mailbox Within a Single Forest.

  2. Move all public folder replicas from the Exchange 200x server to the Exchange 2007 server. To do this, open Exchange System Manager, expand the server you are removing, expand all storage groups, and then locate the public folder store. Right-click the store, and then select Move all Replicas. Select a public folder database on an Exchange 2007 server.

  3. Change the generating server for your offline address books (OAB) by using either the Exchange Management Shell or the Exchange Management Console. For more information see How to Move the Offline Address Book Generation Process to Another Server.

  4. If you have not created outbound SMTP connectors on your Exchange 2007 servers for all outbound SMTP connectors on your Exchange 200x servers, Then re-create all outbound Exchange 200x SMTP connectors as Send connectors on an Exchange 2007 transport server.

    If you are deploying the Exchange 2007 Edge role, this step is not needed.
  5. Using Exchange System Manager, remove the public folder and mailbox databases from the Exchange 200x servers.

    Exchange System Manager in Exchange 2003 Service Pack 2 prevents you from removing the public folder and mailbox databases until all the public folder replicas have completed their background move process and all mailboxes have been moved. Replica relocation can take a substantial amount of time. Be prepared to wait days, if necessary. Removing them forcefully before replication has completed could mean data loss. If you have an earlier version of Exchange System Manager (for example Exchange 2000), look in the Public Folder Instances node under the public folder database you are deleting. When that panel is empty, you can safely remove the database.
  6. Verify that all inbound mail is routed to an Exchange 2007 Transport server.

  7. Verify that all inbound protocol services (Exchange ActiveSync, Office Outlook Web Access , Outlook Anywhere, POP3, IMAP4, Autodiscover service, and any other Exchange Web Service) point to an Exchange 2007 Client Access server.

  8. Delete the routing group connectors that connect the Exchange 200x routing group and the Exchange 2007 routing group. You can do this from the Exchange 200x Exchange System Manager, or you can use the Remove-RoutingGroupConnector cmdlet in the Exchange Management Console.

  9. Using the Exchange 200x Exchange System Manager, navigate to your Recipient policies. Check the properties of all policies. If you have some recipient policies that are solely Mailbox Manager policies (meaning that they do not define an e-mail address type and there is no E-Mail Address tab), you can delete those policies. If you have policies that are both E-mail and Mailbox Manager policies (you will see the Mailbox Manager Settings tab), right-click those policies and select Change Property Pages. Then, clear the Mailbox Manager settings section. Perform this step for all your policies.

How to remove the last Exchange 200x server from an Exchange Server 2007 organization

  1. Before you perform this procedure, complete the "How to prepare to remove the last Exchange 200x server from an Exchange Server 2007 organization" procedure earlier in this document.

  2. In Exchange 200x Exchange System Manager, move the public folder hierarchy from the Exchange 200x administrative group to the Exchange 2007 administrative group.

    1. Using the Exchange 200x Exchange System Manager, right click the Exchange 2007 administrative group, select New, and then select Public Folders Container.

    2. Go to the Exchange 200x administrative group that contains the Public Folders tree, expand Folders, and then drag Public Folders to the Folders under the Exchange 2007 administrative group.

      Failure to complete this step could result in the Exchange 2007 public stores not mounting if the last Exchange 200x Administrative Group is deleted in the future.
  3. Delete the domain Recipient Update Service(s). In Exchange 200x Exchange System Manager, navigate to Recipients, select Recipient Update Services, and then delete the domain Recipient Update Service.

  4. You will not be able to delete the Enterprise Recipient Update Service by using Exchange 200x Exchange System Manager. You must use AdsiEdit (AdsiEdit.msc), as follows:

    1. Open AdsiEdit, navigate to Configuration NC, Services, Microsoft Exchange, <Exchange_Org_Name>, Address Lists Container, Recipient Update Services, and then delete the Recipient Update Service (Enterprise Configuration).

      Do not use AdsiEdit to modify or delete any Exchange 2007 objects. The deletion action in this step is to remove legacy objects not needed by Exchange 2007.
  5. Un-install Exchange 200x by using Add/Remove Programs.

    You can keep Exchange 200x Exchange System Manager installed on one of the computers in your domain. By keeping Exchange 200x Exchange System Manager, you will be able to perform public folder administration through the Exchange System Manager interface. Exchange 2007 does not currently have a graphical user interface for public folder administration and Details Templates and Address Templates. If you want to leave Exchange 200x Exchange System Manager, choose a Change action in the Exchange 200x Setup wizard and then remove the Messaging and Collaboration component but not the Management Tools.
    You should not delete any Exchange 200x administrative groups (legacy administrative groups) that held mailboxes at any point of time. Users' LegacyExchangeDNs still reference the old administrative groups and as long as clients are using versions of Outlook other than Outlook 2007, the LegacyExchangeDNs are used for finding free/busy information. After the administrative groups no longer exists, it is uncertain that the free/busy folder for users that have the matching LegacyExchangeDN will exist and therefore those users might have difficulties finding or publishing free/busy information. In addition, users' LegacyExchangeDN is used when delegating the access to folders through the Outlook client.

    You should also not delete any recipient e-mail policies that have e-mail addresses that you still want defined in your organization. Exchange 2007 will use those policies when provisioning new recipients.

Legal Notice

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