Commands › Exchange Online

Set-RoleAssignmentPolicy

Exchange Online ExchangeOnlineManagement Set-*

Modify existing management role assignment policies in your organization.

Quick start script

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

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

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

Syntax

Set-RoleAssignmentPolicy [-Identity] <MailboxPolicyIdParameter>
 [-Confirm]
 [-Description <String>]
 [-DomainController <Fqdn>]
 [-IsDefault]
 [-Name <String>]
 [-WhatIf]
 [<CommonParameters>]

Parameters (7)

Parameter	Type	Required	What it controls
-Identity	MailboxPolicyIdParameter	yes	The Identity parameter specifies the name of the assignment policy to modify. If the name contains spaces, enclose the name 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.
-Description	String		The Description parameter specifies the description that's displayed when the role assignment policy is viewed using the Get-RoleAssignmentPolicy cmdlet. Enclose the description in quotation marks (").
-DomainController	Fqdn		This parameter is available only in on-premises Exchange.
-IsDefault	SwitchParameter		The IsDefault switch makes the assignment policy the default assignment policy. You don't need to specify a value with this switch.
-Name	String		The Name parameter specifies the new name of the assignment policy. If the assignment policy name contains spaces, enclose the name in quotation marks ("). The maximum length of the name is 64 characters.
-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.