Commands › Exchange Online

New-MapiVirtualDirectory

Exchange Online ExchangeOnlineManagement New-*

Create Messaging Application Programming Interface (MAPI) virtual directories that are used in Internet Information Services (IIS) on Microsoft Exchange servers. A MAPI virtual directory is used by supported versions of Microsoft Outlook to connect to mailboxes by using the MAPIHTTP protocol.

Quick start script

# New-MapiVirtualDirectory — 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-MapiVirtualDirectory
$before | Format-List

# 3. Make the change (dry run first)
New-MapiVirtualDirectory  -WhatIf
New-MapiVirtualDirectory

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

Syntax

New-MapiVirtualDirectory
 [-Confirm]
 [-DomainController <Fqdn>]
 [-ExtendedProtectionFlags <MultiValuedProperty>]
 [-ExtendedProtectionSPNList <MultiValuedProperty>]
 [-ExtendedProtectionTokenChecking <ExtendedProtectionTokenCheckingMode>]
 [-ExternalUrl <Uri>]
 [-IISAuthenticationMethods <MultiValuedProperty>]
 [-InternalUrl <Uri>]
 [-Role <VirtualDirectoryRole>]
 [-Server <ServerIdParameter>]
 [-WebSiteName <String>]
 [-WhatIf]
 [<CommonParameters>]

Parameters (12)

Parameter	Type	What it controls
-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.
-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...
-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:
-ExternalUrl	Uri	The ExternalURL parameter specifies the URL that connects to the virtual directory from outside the firewall.
-IISAuthenticationMethods	MultiValuedProperty	The IISAuthenticationMethods parameter specifies the authentication methods that are enabled on the virtual directory in Internet Information Services (IIS). Valid values for this parameter are:
-InternalUrl	Uri	The InternalURL parameter specifies the URL that connects to the virtual directory from inside the firewall.
-Role	VirtualDirectoryRole	The Role parameter species the configuration for the virtual directory. Valid values are:
-Server	ServerIdParameter	The Server parameter specifies the Exchange server that hosts the virtual directory. You can use any value that uniquely identifies the server. For example:
-WebSiteName	String	The WebSiteName parameter specifies the name of the IIS website under which the virtual directory is created. You don't need to use this parameter to create the virtual directory under the default website.
-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.

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