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Exchange Server 2010 : Manage Web-Based Email Access (part 2) - Configure OWA Features

6/26/2011 11:23:53 AM

2. Configure OWA Features

OWA comes with many features that allow you to exercise granular control over user accounts. Many of these features enable functionality that resembles the full-featured Outlook desktop client. This section shows you how to configure some of these features in your OWA implementation.

2.1. Modify Basic OWA Features

There are many features in OWA that you can enable or disable for users. In Exchange, these are called segmentation options. All of the segmentation options can be enabled and disabled through the EMC or through the EMS.

2.1.1. Modify Segmentation Options in the Exchange Management Console

To modify segmentation options in the EMC:

  1. Open the EMC and browse to the Server Configuration => Client Access node in the Console tree.

  2. In the Work area, select the Outlook Web App tab to display a listing of available OWA virtual directories.

  3. Select the virtual directory that you are using from the list and click the Properties option in the Actions pane.

    This will bring up the properties dialog box for that virtual directory.

  4. In the properties dialog box, click the Segmentation tab.

    The list of segmentation options are displayed in the dialog box.

  5. Select the option that you want to enable or disable and click the Enable or Disable button above the list, as shown in Figure 8.

  6. After modifying the segmentation options, click OK to make the changes and close the properties dialog box.

Figure 8. Segmentation options in OWA

2.1.2. Modify Segmentation Options in the Exchange Management Shell

To modify the segmentation options in the EMS, you will use the Set-OWAVirtualDirectory command. To enable or disable a particular segmentation option, you will need to supply the correct parameter, displayed in Table 1.

Table 1. EMS Parameters for OWA Segmentation Options
FeatureParameter
All Address ListsAllAddressListsEnabled
CalendarCalendarEnabled
Change PasswordChangePasswordEnabled
ContactsContactsEnabled
Email SignatureSignaturesEnabled
Exchange ActiveSync IntegrationActiveSyncIntegrationEnabled
JournalJournalEnabled
Junk Email FilteringJunkEmailEnabled
NotesNotesEnabled
Premium ClientPremiumClientEnabled
Public FoldersPublicFoldersEnabled
Recover Deleted ItemsRecoverDeletedItemsEnabled
Reminders and NotificationsRemindersAndNotificationsEnabled
RulesRulesEnabled
S/MIMESMimeEnabled
Search FoldersSearchFoldersEnabled
Spell CheckerSpellCheckerEnabled
TasksTasksEnabled
Theme SelectionThemeSelectionEnabled
Unified Messaging IntegrationUMIntegrationEnabled

For example, to disable the ability for users to change their password from OWA, you can use the following command:

Set-OWAVirtualDirectory "CONTOSO-EX01\owa 

(Default Web Site)"-ChangePasswordEnabled $false

2.2. Manage Web-Based Document Viewing

OWA users can view Microsoft Office attachments and PDFs in OWA without having to install the Office or PDF viewer software. This feature is known as web-ready document viewing. Table 2 lists the file types that are supported with web-ready document viewing.

Table 2. File Types Supported in Web-Ready Document Viewing
File TypeExtension
Microsoft Word 2003 and earlier.doc
Microsoft Word 2007 and later.docx
Microsoft Word Template.dot
PowerPoint SlideShow.pps
Microsoft PowerPoint 2003 and earlier.ppt
Microsoft PowerPoint 2007 and later.pptx
Microsoft Excel 2003 and earlier.xls
Microsoft Excel 2007 and later.xlsx
Rich Text Format.rtf
PDF Documents.pdf

2.2.1. Use the Exchange Management Console to Enable Web-Ready Document Viewing

You can enable web-ready document viewing in the EMC using the following steps:

  1. Open the EMC and browse to the Server Configuration => Client Access node.

  2. In the Work area, click the Outlook Web App tab to show the list of OWA virtual directories.

  3. Select the OWA virtual directory and click the Properties option in the Actions pane.

  4. In the properties dialog box, select the Private Computer File Access tab. Check the Enable WebReady Document Viewing option.

    If you want users to be able to use web-ready document viewing when accessing OWA on public computers, use the Public Computer File Access tab.

  5. Click OK to close the dialog box and make the changes.

2.2.2. Use the Exchange Management Shell to Enable Web-Ready Document Viewing

You can also enable WebReady Document Viewing with the EMS using the Set-OWAVirtualDirectory command. To enable WebReady Document Viewing for private computers using OWA, use the WebReadyDocumentViewingOnPrivateComputersEnabled parameter. For public computers, use the WebReadyDocumentViewingOnPublicComputersEnabled parameter. The following example enables both on the default OWA site:

Set-OWAVirtualDirectory -Identity "OWA (Default Web Site)"

-WebReadyDocumentOnViewingPrivateComputersEnabled $true

-WebReadyDocumentOnViewingPublicComputersEnabled $true
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