Commands › Exchange Online

Set-OwaVirtualDirectory

Exchange Online ExchangeOnlineManagement Set-*

Modify existing Outlook on the web virtual directories that are used in Internet Information Services (IIS) on Exchange servers.

Quick start script

# Set-OwaVirtualDirectory — quick start (serv365.ai)
# 1. Connect (app-only shown; interactive: omit the certificate parameters)
Connect-ExchangeOnline -CertificateThumbprint $thumb -AppId $appId -Organization $org

# 2. Capture the current state first — you cannot roll back what you never recorded
$before = Get-OwaVirtualDirectory
$before | Format-List

# 3. Make the change (dry run first)
Set-OwaVirtualDirectory -Identity <VirtualDirectoryIdParameter> -WhatIf
Set-OwaVirtualDirectory -Identity <VirtualDirectoryIdParameter>

# 4. Verify and diff
$after = Get-OwaVirtualDirectory
Compare-Object ($before | Out-String) ($after | Out-String)

Syntax

Set-OwaVirtualDirectory [-Identity] <VirtualDirectoryIdParameter>
 [-ActionForUnknownFileAndMIMETypes <AttachmentBlockingActions>]
 [-ActiveSyncIntegrationEnabled <Boolean>]
 [-AdfsAuthentication <Boolean>]
 [-AllAddressListsEnabled <Boolean>]
 [-AllowCopyContactsToDeviceAddressBook <Boolean>]
 [-AllowOfflineOn <AllowOfflineOnEnum>]
 [-AllowedFileTypes <MultiValuedProperty>]
 [-AllowedMimeTypes <MultiValuedProperty>]
 [-AnonymousFeaturesEnabled <Boolean>]
 [-BasicAuthentication <Boolean>]
 [-BlockedFileTypes <MultiValuedProperty>]
 [-BlockedMimeTypes <MultiValuedProperty>]
 [-BoxAttachmentsEnabled <Boolean>]
 [-ClassicAttachmentsEnabled <Boolean>]
 [-DropboxAttachmentsEnabled <Boolean>]
 [-CalendarEnabled <Boolean>]
 [-CalendarPublishingEnabled <Boolean>]
 [-ChangePasswordEnabled <Boolean>]
 [-ClientAuthCleanupLevel <ClientAuthCleanupLevels>]
 [-Confirm]
 [-ContactsEnabled <Boolean>]
 [-CrossSiteRedirectType <LegacyRedirectTypeOptions>]
 [-DefaultClientLanguage <Int32>]
 [-DefaultDomain <String>]
 [-DefaultTheme <String>]
 [-DelegateAccessEnabled <Boolean>]
 [-DigestAuthentication <Boolean>]
 [-DirectFileAccessOnPrivateComputersEnabled <Boolean>]
 [-DirectFileAccessOnPublicComputersEnabled <Boolean>]
 [-DisplayPhotosEnabled <Boolean>]
 [-DomainController <Fqdn>]
 [-Exchange2003Url <Uri>]
 [-ExchwebProxyDestination <ExchwebProxyDestinations>]
 [-ExplicitLogonEnabled <Boolean>]
 [-ExtendedProtectionFlags <MultiValuedProperty>]
 [-ExtendedProtectionSPNList <MultiValuedProperty>]
 [-ExtendedProtectionTokenChecking <ExtendedProtectionTokenCheckingMode>]
 [-ExternalAuthenticationMethods <MultiValuedProperty>]
 [-ExternalDownloadHostName <String>]
 [-ExternalSPMySiteHostURL <String>]
 [-ExternalUrl <Uri>]
 [-FailbackUrl <Uri>]
 [-FilterWebBeaconsAndHtmlForms <WebBeaconFilterLevels>]
 [-ForceSaveAttachmentFilteringEnabled <Boolean>]
 [-ForceSaveFileTypes <MultiValuedProperty>]
 [-ForceSaveMimeTypes <MultiValuedProperty>]
 [-ForceWacViewingFirstOnPrivateComputers <Boolean>]
 [-ForceWacViewingFirstOnPublicComputers <Boolean>]
 [-ForceWebReadyDocumentViewingFirstOnPrivateComputers <Boolean>]
 [-ForceWebReadyDocumentViewingFirstOnPublicComputers <Boolean>]
 [-FormsAuthentication <Boolean>]
 [-FreCardsEnabled <Boolean>]
 [-GlobalAddressListEnabled <Boolean>]
 [-GoogleDriveAttachmentsEnabled <Boolean>]
 [-GzipLevel <GzipLevel>]
 [-InstantMessagingCertificateThumbprint <String>]
 [-InstantMessagingEnabled <Boolean>]
 [-InstantMessagingServerName <String>]
 [-InstantMessagingType <InstantMessagingTypeOptions>]
 [-IntegratedFeaturesEnabled <Boolean>]
 [-InternalDownloadHostName <String>]
 [-InternalSPMySiteHostURL <String>]
 [-InternalUrl <Uri>]
 [-IRMEnabled <Boolean>]
 [-IsPublic <Boolean>]
 [-JournalEnabled <Boolean>]
 [-JunkEmailEnabled <Boolean>]
 [-LegacyRedirectType <LegacyRedirectTypeOptions>]
 [-LogonAndErrorLanguage <Int32>]
 [-LogonFormat <LogonFormats>]
 [-LogonPageLightSelectionEnabled <Boolean>]
 [-LogonPagePublicPrivateSelectionEnabled <Boolean>]
 [-NotesEnabled <Boolean>]
 [-NotificationInterval <Int32>]
 [-OAuthAuthentication <Boolean>]
 [-OneDriveAttachmentsEnabled <Boolean>]
 [-OrganizationEnabled <Boolean>]
 [-OutboundCharset <OutboundCharsetOptions>]
 [-OWALightEnabled <Boolean>]
 [-OWAMiniEnabled <Boolean>]
 [-PremiumClientEnabled <Boolean>]
 [-PublicFoldersEnabled <Boolean>]
 [-RecoverDeletedItemsEnabled <Boolean>]
 [-RedirectToOptimalOWAServer <Boolean>]
 [-ReferenceAttachmentsEnabled <Boolean>]
 [-RemindersAndNotificationsEnabled <Boolean>]
 [-RemoteDocumentsActionForUnknownServers <RemoteDocumentsActions>]
 [-RemoteDocumentsAllowedServers <MultiValuedProperty>]
 [-RemoteDocumentsBlockedServers <MultiValuedProperty>]
 [-RemoteDocumentsInternalDomainSuffixList <MultiValuedProperty>]
 [-ReportJunkEmailEnabled <Boolean>]
 [-RulesEnabled <Boolean>]
 [-SaveAttachmentsToCloudEnabled <Boolean>]
 [-SearchFoldersEnabled <Boolean>]
 [-SetPhotoEnabled <Boolean>]
 [-SetPhotoURL <String>]
 [-SignaturesEnabled <Boolean>]
 [-SilverlightEnabled <Boolean>]
 [-SMimeEnabled <Boolean>]
 [-SpellCheckerEnabled <Boolean>]
 [-TasksEnabled <Boolean>]
 [-TextMessagingEnabled <Boolean>]
 [-ThemeSelectionEnabled <Boolean>]
 [-UMIntegrationEnabled <Boolean>]
 [-UNCAccessOnPrivateComputersEnabled <Boolean>]
 [-UNCAccessOnPublicComputersEnabled <Boolean>]
 [-UseGB18030 <Boolean>]
 [-UseISO885915 <Boolean>]
 [-UserContextTimeout <Int32>]
 [-VirtualDirectoryType <VirtualDirectoryTypes>]
 [-WacEditingEnabled <Boolean>]
 [-WacViewingOnPrivateComputersEnabled <Boolean>]
 [-WacViewingOnPublicComputersEnabled <Boolean>]
 [-WebPartsFrameOptionsType <WebPartsFrameOptions>]
 [-WebReadyDocumentViewingForAllSupportedTypes <Boolean>]
 [-WebReadyDocumentViewingOnPrivateComputersEnabled <Boolean>]
 [-WebReadyDocumentViewingOnPublicComputersEnabled <Boolean>]
 [-WebReadyDocumentViewingSupportedFileTypes <MultiValuedProperty>]
 [-WebReadyDocumentViewingSupportedMimeTypes <MultiValuedProperty>]
 [-WebReadyFileTypes <MultiValuedProperty>]
 [-WebReadyMimeTypes <MultiValuedProperty>]
 [-WhatIf]
 [-WindowsAuthentication <Boolean>]
 [-WSSAccessOnPrivateComputersEnabled <Boolean>]
 [-WSSAccessOnPublicComputersEnabled <Boolean>]
 [<CommonParameters>]

Parameters (126)

ParameterTypeRequiredWhat it controls
-Identity VirtualDirectoryIdParameter yes The Identity parameter specifies the OWA virtual directory that you want to modify. You can use any value that uniquely identifies the virtual directory. For example:
-ActionForUnknownFileAndMIMETypes AttachmentBlockingActions The ActionForUnknownFileAndMIMETypes parameter specifies how to handle file types that aren't specified in the Allow, Block, and Force Save lists for file types and MIME types. Valid values are:
-ActiveSyncIntegrationEnabled Boolean The ActiveSyncIntegrationEnabled parameter specifies whether to enable or disable Exchange ActiveSync settings in Outlook on the web. Valid values are:
-AdfsAuthentication Boolean The AdfsAuthentication parameter enables or disables Active Directory Federation Services (ADFS) authentication on the Outlook on the web virtual directory. Valid values are:
-AllAddressListsEnabled Boolean The AllAddressListsEnabled parameter specifies which address lists are available in Outlook on the web. Valid values are:
-AllowCopyContactsToDeviceAddressBook Boolean The AllowCopyContactsToDeviceAddressBook parameter specifies whether users can copy the contents of their Contacts folder to a mobile device's native address book when using Outlook on the web for devices. Valid values are:
-AllowedFileTypes MultiValuedProperty The AllowedFileTypes parameter specifies the attachment file types (file extensions) that can be saved locally or viewed from Outlook on the web. The default values are:
-AllowedMimeTypes MultiValuedProperty The AllowedMimeTypes parameter specifies the MIME extensions of attachments that allow the attachments to be saved locally or viewed from Outlook on the web. The default values are:
-AllowOfflineOn AllowOfflineOnEnum The AllowOfflineOn parameter specifies when Outlook on the web in offline mode is available for supported web browsers. Valid values are:
-AnonymousFeaturesEnabled Boolean The AnonymousFeaturesEnabled parameter specifies whether you want to allow Outlook on the web users that are logged on anonymously to access specific features. Valid values are:
-BasicAuthentication Boolean The BasicAuthentication parameter specifies whether Basic authentication is enabled on the virtual directory. Valid values are:
-BlockedFileTypes MultiValuedProperty The BlockedFileTypes parameter specifies a list of attachment file types (file extensions) that can't be saved locally or viewed from Outlook on the web. The default values are:
-BlockedMimeTypes MultiValuedProperty The BlockedMimeTypes parameter specifies MIME extensions in attachments that prevent the attachments from being saved locally or viewed from Outlook on the web. The default values are:
-BoxAttachmentsEnabled Boolean This parameter is reserved for internal Microsoft use.
-CalendarEnabled Boolean The CalendarEnabled parameter specifies whether to enable or disable the calendar in Outlook on the web. Valid values are:
-CalendarPublishingEnabled Boolean The CalendarPublishingEnabled parameter specifies whether users can publish their calendar from Outlook Web App. Valid values are:
-ChangePasswordEnabled Boolean The ChangePasswordEnabled parameter specifies whether users can change their passwords from inside Outlook on the web. Valid values are:
-ClassicAttachmentsEnabled Boolean The ClassicAttachmentsEnabled parameter specifies whether users can attach local files as regular email attachments in Outlook on the web. Valid values are:
-ClientAuthCleanupLevel ClientAuthCleanupLevels The ClientAuthCleanupLevel parameter specifies how much of the cache is cleared when the user logs off from Outlook on the web. Valid values are:
-Confirm SwitchParameter The Confirm switch specifies whether to show or hide the confirmation prompt. How this switch affects the cmdlet depends on whether the cmdlet requires confirmation before proceeding.
-ContactsEnabled Boolean The ContactsEnabled parameter specifies whether to enable or disable Contacts in Outlook on the web. Valid values are:
-CrossSiteRedirectType LegacyRedirectTypeOptions The CrossSiteRedirectType parameter controls how a Client Access server redirects Outlook Web App to the Client Access server infrastructure in another Active Directory site. Valid values are:
-DefaultClientLanguage Int32 This parameter is deprecated and no longer used.
-DefaultDomain String The DefaultDomain parameter specifies which domain to use when the LogonFormat parameter is set to UserName (for example, contoso.com).
-DefaultTheme String The DefaultTheme parameter specifies the default theme that's used in Outlook on the web when the user hasn't selected a theme. The default value is blank ($null). For more information about the built-in themes that...
-DelegateAccessEnabled Boolean This parameter is functional only in Exchange Server 2010.
-DigestAuthentication Boolean The DigestAuthentication parameter specifies whether Digest authentication is enabled on the virtual directory. Valid values are:
-DirectFileAccessOnPrivateComputersEnabled Boolean The DirectFileAccessOnPrivateComputersEnabled parameter specifies the left-click options for attachments in Outlook on the web for private computer sessions. Valid values are:
-DirectFileAccessOnPublicComputersEnabled Boolean The DirectFileAccessOnPrivateComputersEnabled parameter specifies the left-click options for attachments in Outlook on the web for public computer sessions. Valid values are:
-DisplayPhotosEnabled Boolean The DisplayPhotosEnabled parameter specifies whether users see sender photos in Outlook on the web. Valid values are:
-DomainController Fqdn The DomainController parameter specifies the domain controller that's used by this cmdlet to read data from or write data to Active Directory. You identify the domain controller by its fully qualified domain name...
-DropboxAttachmentsEnabled Boolean This parameter is reserved for internal Microsoft use.
-Exchange2003Url Uri This parameter is functional only in Exchange Server 2010.
-ExchwebProxyDestination ExchwebProxyDestinations This parameter is deprecated and no longer used.
-ExplicitLogonEnabled Boolean The ExplicitLogonEnabled parameter specifies whether to allow a user to open someone else's mailbox in Outlook on the web (provided that user has permissions to the mailbox). Valid values are:
-ExtendedProtectionFlags MultiValuedProperty The ExtendedProtectionFlags parameter specifies custom settings for Extended Protection for Authentication on the virtual directory. Valid values are:
-ExtendedProtectionSPNList MultiValuedProperty The ExtendedProtectionSPNList parameter specifies a list of valid Service Principal Names (SPNs) if you're using Extended Protection for Authentication on the virtual directory. Valid values are:
-ExtendedProtectionTokenChecking ExtendedProtectionTokenCheckingMode The ExtendedProtectionTokenChecking parameter specifies whether Extended Protection for Authentication is used for client connections to the virtual directory. Valid values are:
-ExternalAuthenticationMethods MultiValuedProperty The ExternalAuthenticationMethods parameter restricts the authentication methods that can be used to connect to the virtual directory from outside the firewall. Valid values are:
-ExternalDownloadHostName String The ExternalDownloadHostName parameter specifies the download location for files in Outlook on the web for external users (for example, in-line image files).
-ExternalSPMySiteHostURL String The ExternalSPMySiteHostURL specifies the My Site Host URL for external users (for example, `https://sp01.contoso.com`).
-ExternalUrl Uri The ExternalURL parameter specifies the URL that connects to the virtual directory from outside the firewall.
-FailbackUrl Uri The FailbackUrl parameter specifies the URL that Outlook on the web uses to connect to the server after failback in a site resilience process and requires a separate DNS entry pointing to the original server's IP address.
-FilterWebBeaconsAndHtmlForms WebBeaconFilterLevels The FilterWebBeaconsAndHtmlForms parameter specifies how web beacons are handled in Outlook on the web. Valid values are:
-ForceSaveAttachmentFilteringEnabled Boolean The ForceSaveAttachmentFilteringEnabled parameter specifies whether files are filtered before they can be saved from Outlook on the web. Valid values are:
-ForceSaveFileTypes MultiValuedProperty The ForceSaveFileTypes parameter specifies the attachment file types (file extensions) that can only be saved from Outlook on the web (not opened). The default values are:
-ForceSaveMimeTypes MultiValuedProperty The ForceSaveMimeTypes parameter specifies the MIME extensions in attachments that only allow the attachments to be saved locally (not opened). The default values are:
-ForceWacViewingFirstOnPrivateComputers Boolean The ForceWacViewingFirstOnPrivateComputers parameter specifies whether private computers must first preview an Office file as a web page in Office Online Server (formerly known as Office Web Apps Server and Web...
-ForceWacViewingFirstOnPublicComputers Boolean The ForceWacViewingFirstOnPublicComputers parameter specifies whether public computers must first preview an Office file as a web page in Office Online Server before opening the file in the local application. Valid...
-ForceWebReadyDocumentViewingFirstOnPrivateComputers Boolean This parameter is available only in Exchange Server 2010 or Exchange Server 2013.
-ForceWebReadyDocumentViewingFirstOnPublicComputers Boolean This parameter is available only in Exchange Server 2010 or Exchange Server 2013.
-FormsAuthentication Boolean The FormsAuthentication parameter enables or disables forms-based authentication on the Outlook on the web virtual directory. Valid values are:
-FreCardsEnabled Boolean This parameter is reserved for internal Microsoft use.
-GlobalAddressListEnabled Boolean The GlobalAddressListEnabled parameter specifies whether the global address list is available in Outlook on the web. Valid values are:
-GoogleDriveAttachmentsEnabled Boolean This parameter is reserved for internal Microsoft use.
-GzipLevel GzipLevel The GzipLevel parameter sets Gzip configuration information for the Outlook on the web virtual directory. Valid values are:
-InstantMessagingCertificateThumbprint String The InstantMessagingCertificateThumbprint parameter specifies the trusted certificate used to communicate between the instant messaging server and the Mailbox server. Use the Get-ExchangeCertificate cmdlet to find...
-InstantMessagingEnabled Boolean The InstantMessagingEnabled parameter specifies whether instant messaging is available in Outlook on the web. This does not affect chat capabilities provided by Skype for Business or Teams. Valid values are:
-InstantMessagingServerName String The InstantMessagingServerName parameter specifies the fully qualified domain name (FQDN) of the instant messaging server or set of servers behind a load balancing device.
-InstantMessagingType InstantMessagingTypeOptions The InstantMessagingType parameter specifies the type of instant messaging provider in Outlook on the web. Valid values are:
-IntegratedFeaturesEnabled Boolean The IntegratedFeaturesEnabled parameter specifies whether to allow Outlook on the web users who are logged on using Integrated Windows authentication to access specific features. Valid values are:
-InternalDownloadHostName String The InternalDownloadHostName parameter specifies the download location for files in Outlook on the web for internal users (for example, in-line image files). The default value is blank ($null).
-InternalSPMySiteHostURL String The InternalSPMySiteHostURL specifies the My Site Host URL for internal users (for example, `https://sp01.contoso.com`).
-InternalUrl Uri The InternalURL parameter specifies the URL that connects to the virtual directory from inside the firewall.
-IRMEnabled Boolean The IRMEnabled parameter specifies whether Information Rights Management (IRM) features are available in Outlook on the web. Valid values are:
-IsPublic Boolean The IsPublic parameter specifies whether external users use the virtual directory for Outlook on the web in multiple virtual directory environments (you've configured separate virtual directories on the same server...
-JournalEnabled Boolean The JournalEnabled parameter specifies whether the Journal folder is available in Outlook on the web. Valid values are:
-JunkEmailEnabled Boolean The JunkEmailEnabled parameter specifies whether the Junk Email folder and junk email management are available in Outlook on the web. Valid values are:
-LegacyRedirectType LegacyRedirectTypeOptions The LegacyRedirectType parameter specifies the type of redirect that Outlook Web App uses to a legacy Client Access server or Front End server when forms-based authentication isn't used on the Exchange 2010 Outlook...
-LogonAndErrorLanguage Int32 The LogonAndErrorLanguage parameter specifies the language that used in Outlook on the web for forms-based authentication and for error messages when a user's current language setting can't be read.
-LogonFormat LogonFormats The LogonFormat parameter specifies the type of logon format that's required for forms-based authentication on the Outlook on the web sign-in page. Valid values are:
-LogonPageLightSelectionEnabled Boolean The LogonPageLightSelectionEnabled parameter specifies whether the Outlook on the web sign-in page includes the option to sign in to the light version of Outlook on the web. Valid values are:
-LogonPagePublicPrivateSelectionEnabled Boolean The LogonPagePublicPrivateSelectionEnabled parameter specifies whether the Outlook on the web sign-in page includes the public/private computer session option at sign-in. Valid values are:
-NotesEnabled Boolean The NotesEnabled parameter specifies whether the Notes folder is available in Outlook on the web. Valid values are:
-NotificationInterval Int32 This parameter is functional only in Exchange Server 2010.
-OAuthAuthentication Boolean This parameter is reserved for internal Microsoft use.
-OneDriveAttachmentsEnabled Boolean This parameter is reserved for internal Microsoft use.
-OrganizationEnabled Boolean When the OrganizationEnabled parameter is set to $false, the Automatic Reply option doesn't include external and internal options, the address book doesn't show the organization hierarchy, and the Resources tab in...
-OutboundCharset OutboundCharsetOptions The OutboundCharset parameter specifies the character set that's used for outgoing messages in Outlook on the web. Valid values are:
-OWALightEnabled Boolean The OWALightEnabled parameter controls the availability of the light version of Outlook on the web. Valid values are:
-OWAMiniEnabled Boolean The OWAMiniEnabled parameter controls the availability of the mini version of Outlook Web App. Valid values are:
-PremiumClientEnabled Boolean The PremiumClientEnabled parameter controls the availability of the full version of Outlook Web App. Valid values are:
-PublicFoldersEnabled Boolean This parameter is functional only in Exchange Server 2010.
-RecoverDeletedItemsEnabled Boolean This parameter is functional only in Exchange Server 2010.
-RedirectToOptimalOWAServer Boolean The RedirectToOptimalOWAServer parameter specifies whether to find the optimal server for Outlook on the web. Valid values are:
-ReferenceAttachmentsEnabled Boolean The ReferenceAttachmentsEnabled parameter specifies whether users can attach files from the cloud as linked attachments in Outlook on the web. Valid values are:
-RemindersAndNotificationsEnabled Boolean The RemindersAndNotificationsEnabled parameter specifies whether notifications and reminders are enabled in Outlook on the web. Valid values are:
-RemoteDocumentsActionForUnknownServers RemoteDocumentsActions This parameter is functional only in Exchange Server 2010.
-RemoteDocumentsAllowedServers MultiValuedProperty This parameter is functional only in Exchange Server 2010.
-RemoteDocumentsBlockedServers MultiValuedProperty This parameter is functional only in Exchange Server 2010.
-RemoteDocumentsInternalDomainSuffixList MultiValuedProperty This parameter is functional only in Exchange Server 2010.
-ReportJunkEmailEnabled Boolean The ReportJunkEmailEnabled parameter specifies whether users can report messages as junk or not junk to Microsoft in Outlook on the web. Valid values are:
-RulesEnabled Boolean The RulesEnabled parameter specifies whether a user can view, create, or modify server-side rules in Outlook on the web. Valid values are:
-SaveAttachmentsToCloudEnabled Boolean The SaveAttachmentsToCloudEnabled parameter specifies whether users can save regular email attachments to the cloud. Valid values are:
-SearchFoldersEnabled Boolean This parameter is functional only in Exchange Server 2010.
-SetPhotoEnabled Boolean The SetPhotoEnabled parameter specifies whether users can add, change, and remove their sender photo in Outlook on the web. Valid values are:
-SetPhotoURL String The SetPhotoURL parameter specifies the location (URL) of user photos. The default value of this parameter is blank ($null).
-SignaturesEnabled Boolean The SignaturesEnabled parameter specifies whether to enable or disable the use of signatures in Outlook on the web. Valid values are:
-SilverlightEnabled Boolean This parameter is functional only in Exchange Server 2010.
-SMimeEnabled Boolean This parameter is functional only in Exchange Server 2010.
-SpellCheckerEnabled Boolean This parameter is functional only in Exchange Server 2010.
-TasksEnabled Boolean The TasksEnabled parameter specifies whether Tasks folder is available in Outlook on the web. Valid values are:
-TextMessagingEnabled Boolean The TextMessagingEnabled parameter specifies whether users can send and receive text messages in Outlook on the web. Valid values are:
-ThemeSelectionEnabled Boolean The ThemeSelectionEnabled parameter specifies whether users can change the theme in Outlook on the web. Valid values are:
-UMIntegrationEnabled Boolean The UMIntegrationEnabled parameter specifies whether Unified Messaging (UM) integration is enabled in Outlook on the web. Valid values are:
-UNCAccessOnPrivateComputersEnabled Boolean This parameter is deprecated and no longer used.
-UNCAccessOnPublicComputersEnabled Boolean This parameter is deprecated and no longer used.
-UseGB18030 Boolean The UseGB18030 parameter specifies whether to use the GB18030 character set instead of GB2312 in Outlook on the web. Valid values are:
-UseISO885915 Boolean The UseISO885915 parameter specifies whether to use the character set ISO8859-15 instead of ISO8859-1 in Outlook on the web. Valid values are:
-UserContextTimeout Int32 The UserContextTimeout parameter specifies the time-out setting in minutes for a user context object. This parameter doesn't limit public and private forms-based authentication time-out settings.
-VirtualDirectoryType VirtualDirectoryTypes This parameter is deprecated and no longer used.
-WacEditingEnabled Boolean The WacEditingEnabled parameter specifies whether to enable or disable editing documents in Outlook on the web by using Office Online Server (formerly known as Office Web Apps Server and Web Access Companion Server)....
-WacViewingOnPrivateComputersEnabled Boolean The WacViewingOnPrivateComputersEnabled parameter specifies whether to enable or disable web viewing of supported Office documents private computer sessions in Office Online Server (formerly known as Office Web Apps...
-WacViewingOnPublicComputersEnabled Boolean The WacViewingOnPublicComputersEnabled parameter specifies whether to enable or disable web viewing of supported Office documents in public computer sessions in Office Online Server. Valid values are:
-WebPartsFrameOptionsType WebPartsFrameOptions The WebPartsFrameOptionsType parameter specifies what sources can access web parts in IFRAME or FRAME elements in Outlook on the web. Valid values are:
-WebReadyDocumentViewingForAllSupportedTypes Boolean This parameter is available only in Exchange Server 2010 and Exchange Server 2013.
-WebReadyDocumentViewingOnPrivateComputersEnabled Boolean This parameter is available only in Exchange Server 2010 and Exchange Server 2013.
-WebReadyDocumentViewingOnPublicComputersEnabled Boolean This parameter is available only in Exchange Server 2010 and Exchange Server 2013.
-WebReadyDocumentViewingSupportedFileTypes MultiValuedProperty This parameter is available only in Exchange Server 2010 and Exchange Server 2013.
-WebReadyDocumentViewingSupportedMimeTypes MultiValuedProperty This parameter is available only in Exchange Server 2010 and Exchange Server 2013.
-WebReadyFileTypes MultiValuedProperty This parameter is available only in Exchange Server 2010 and Exchange Server 2013.
-WebReadyMimeTypes MultiValuedProperty This parameter is available only in Exchange Server 2010 and Exchange Server 2013.
-WhatIf SwitchParameter The WhatIf switch shows what the command does without making any changes. You don't need to specify a value with this switch.
-WindowsAuthentication Boolean The WindowsAuthentication parameter enables or disables Integrated Windows authentication on the virtual directory. Valid values are:
-WSSAccessOnPrivateComputersEnabled Boolean This parameter is deprecated and no longer used.
-WSSAccessOnPublicComputersEnabled Boolean This parameter is deprecated and no longer used.

Reference facts derived from Microsoft documentation, © Microsoft, licensed CC BY 4.0; restructured with original guidance by serv365.ai.