Commands › Exchange Online

Set-ApplicationAccessPolicy

Exchange Online ExchangeOnlineManagement Set-*

Modify the description of an application access policy.

Quick start script

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

# 3. Make the change (dry run first)
Set-ApplicationAccessPolicy -Identity <ApplicationAccessPolicyIdParameter> -Description <String> -WhatIf
Set-ApplicationAccessPolicy -Identity <ApplicationAccessPolicyIdParameter> -Description <String>

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

Syntax

Set-ApplicationAccessPolicy [-Identity] <ApplicationAccessPolicyIdParameter>
 [-Description <String>]
 [-Confirm]
 [-WhatIf]
 [<CommonParameters>]

Parameters (4)

Parameter	Type	Required	What it controls
-Identity	ApplicationAccessPolicyIdParameter	yes	The Identity parameter specifies the application access policy that you want to modify. To find the Identity value for the policy, run the command Get-ApplicationAccessPolicy \| Format-List...
-Description	String	yes	The Description parameter modifies the description of the policy. If the value contains spaces, enclose the value in quotation marks (").
-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.
-WhatIf	SwitchParameter		This parameter is reserved for internal Microsoft use.

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