Commands › Exchange Online

Set-MailboxAutoReplyConfiguration

Exchange Online ExchangeOnlineManagement Set-*

Configure Automatic Replies settings for a specific mailbox.

Quick start script

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

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

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

Syntax

Set-MailboxAutoReplyConfiguration [-Identity] <MailboxIdParameter>
 [-AutoDeclineFutureRequestsWhenOOF <Boolean>]
 [-AutoReplyState <OofState>]
 [-Confirm]
 [-CreateOOFEvent <Boolean>]
 [-DeclineAllEventsForScheduledOOF <Boolean>]
 [-DeclineEventsForScheduledOOF <Boolean>]
 [-DeclineMeetingMessage <String>]
 [-DomainController <Fqdn>]
 [-EndTime <DateTime>]
 [-EventsToDeleteIDs <String[]>]
 [-ExternalAudience <ExternalAudience>]
 [-ExternalMessage <String>]
 [-IgnoreDefaultScope]
 [-InternalMessage <String>]
 [-OOFEventSubject <String>]
 [-StartTime <DateTime>]
 [-WhatIf]
 [<CommonParameters>]

Parameters (18)

Parameter	Type	Required	What it controls
-Identity	MailboxIdParameter	yes	The Identity parameter specifies the mailbox that you want to modify. You can use any value that uniquely identifies the mailbox. For example:
-AutoDeclineFutureRequestsWhenOOF	Boolean		This parameter is functional only in the cloud-based service.
-AutoReplyState	OofState		The AutoReplyState parameter specifies whether the mailbox is enabled for Automatic Replies. Valid values are:
-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.
-CreateOOFEvent	Boolean		This parameter is functional only in the cloud-based service.
-DeclineAllEventsForScheduledOOF	Boolean		This parameter is functional only in the cloud-based service.
-DeclineEventsForScheduledOOF	Boolean		This parameter is functional only in the cloud-based service.
-DeclineMeetingMessage	String		This parameter is functional only in the cloud-based service.
-DomainController	Fqdn		This parameter is available only in on-premises Exchange.
-EndTime	DateTime		The EndTime parameter specifies the end date and time that Automatic Replies are sent for the mailbox. You use this parameter only when the AutoReplyState parameter is set to Scheduled, and the value of this...
-EventsToDeleteIDs	String[]		This parameter is functional only in the cloud-based service.
-ExternalAudience	ExternalAudience		The ExternalAudience parameter specifies whether Automatic Replies are sent to external senders. Valid values are:
-ExternalMessage	String		The ExternalMessage parameter specifies the Automatic Replies message that's sent to external senders or senders outside the organization. If the value contains spaces, enclose the value in quotation marks (").
-IgnoreDefaultScope	SwitchParameter		The IgnoreDefaultScope switch tells the command to ignore the default recipient scope setting for the Exchange PowerShell session, and to use the entire forest as the scope. You don't need to specify a value with this switch.
-InternalMessage	String		The InternalMessage parameter specifies the Automatic Replies message that's sent to internal senders or senders within the organization. If the value contains spaces, enclose the value in quotation marks (").
-OOFEventSubject	String		This parameter is functional only in the cloud-based service.
-StartTime	DateTime		The StartTime parameter specifies the start date and time that Automatic Replies are sent for the specified mailbox. You use this parameter only when the AutoReplyState parameter is set to Scheduled, and the value of...
-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.