Commands › Exchange Online

Set-PowerShellVirtualDirectory

Exchange Online ExchangeOnlineManagement Set-*

Modify existing Windows PowerShell virtual directories that are used in Internet Information Services (IIS) on Exchange servers.

Quick start script

# Set-PowerShellVirtualDirectory — 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-PowerShellVirtualDirectory
$before | Format-List

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

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

Syntax

Set-PowerShellVirtualDirectory [-Identity] <VirtualDirectoryIdParameter>
 [-BasicAuthentication <Boolean>]
 [-CertificateAuthentication <Boolean>]
 [-Confirm]
 [-DomainController <Fqdn>]
 [-ExtendedProtectionFlags <MultiValuedProperty>]
 [-ExtendedProtectionSPNList <MultiValuedProperty>]
 [-ExtendedProtectionTokenChecking <ExtendedProtectionTokenCheckingMode>]
 [-ExternalUrl <Uri>]
 [-InternalUrl <Uri>]
 [-RequireSSL <Boolean>]
 [-WhatIf]
 [-WindowsAuthentication <Boolean>]
 [<CommonParameters>]

Parameters (13)

Parameter	Type	Required	What it controls
-Identity	VirtualDirectoryIdParameter	yes	The Identity parameter specifies the PowerShell virtual directory that you want to modify. You can use any value that uniquely identifies the virtual directory. For example:
-BasicAuthentication	Boolean		The BasicAuthentication parameter specifies whether Basic authentication is enabled on the virtual directory. Valid values are:
-CertificateAuthentication	Boolean		The CertificateAuthentication parameter specifies whether certificate authentication is enabled on the Windows PowerShell virtual directory. The valid values are $true and $false. The default value is $false.
-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.
-InternalUrl	Uri		The InternalURL parameter specifies the URL that connects to the virtual directory from inside the firewall.
-RequireSSL	Boolean		The RequireSSL parameter specifies whether client connections to the virtual directory require Transport Layer Security (TLS) encryption. Valid values are:
-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 specifies whether Integrated Windows authentication is enabled on the virtual directory. Valid values are:

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