Commands › Exchange Online

Set-EmailTenantSettings

Exchange Online ExchangeOnlineManagement Set-*

Enable or disable priority account protection in your Microsoft Defender for Office 365 organization. For more information about priority accounts, see Manage and monitor priority accounts.

Quick start script

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

# 3. Make the change (dry run first)
Set-EmailTenantSettings  -WhatIf
Set-EmailTenantSettings

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

Syntax

Set-EmailTenantSettings [[-Identity] <EmailTenantSettingsIdParameter>]
 [-Confirm]
 [-DomainController <Fqdn>]
 [-EnablePriorityAccountProtection <Boolean>]
 [-IgnoreDehydratedFlag]
 [-WhatIf]
 [<CommonParameters>]

Parameters (6)

Parameter	Type	What it controls
-Identity	EmailTenantSettingsIdParameter	The Identity parameter specifies the settings object that you want to modify. The only settings object in the organization is named Default.
-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	This parameter is reserved for internal Microsoft use.
-EnablePriorityAccountProtection	Boolean	The EnablePriorityAccountProtection parameter enables or disable priority account protection in the organization. Valid values are:
-IgnoreDehydratedFlag	SwitchParameter	This parameter is reserved for internal Microsoft use.
-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.