Commands › Exchange Online

New-DeviceConditionalAccessPolicy

Exchange Online ExchangeOnlineManagement New-*

For more information, see Security & Compliance PowerShell. Use the New-DeviceConditionalAccessPolicy cmdlet to create mobile device conditional access policies in Basic Mobility and Security in Microsoft 365.

Quick start script

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

# 3. Make the change (dry run first)
New-DeviceConditionalAccessPolicy -Name <String> -WhatIf
New-DeviceConditionalAccessPolicy -Name <String>

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

Syntax

New-DeviceConditionalAccessPolicy [-Name] <String>
 [-Comment <String>]
 [-Confirm]
 [-Enabled <Boolean>]
 [-Force]
 [-WhatIf]
 [<CommonParameters>]

Parameters (6)

Parameter	Type	Required	What it controls
-Name	String	yes	The Name parameter specifies a unique name for the policy. If the value contains spaces, enclose the value in double quotation marks.
-Comment	String		The Comment parameter specifies an optional comment. If you specify a value that contains spaces, enclose the value in quotation marks ("), for example: "This is an admin note".
-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.
-Enabled	Boolean		The Enabled parameter specifies whether the policy is enabled. Valid values are:
-Force	SwitchParameter		The Force switch hides warning or confirmation messages. You don't need to specify a value with this switch.
-WhatIf	SwitchParameter		The WhatIf switch doesn't work in Security & Compliance PowerShell.

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