Commands › Exchange Online

Set-MigrationConfig

Exchange Online ExchangeOnlineManagement Set-*

Edit migration configurations on Exchange servers.

Quick start script

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

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

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

Syntax

Set-MigrationConfig
 [-Confirm]
 [-DomainController <Fqdn>]
 [-Features <MigrationFeature>]
 [-MaxConcurrentMigrations <Unlimited>]
 [-MaxNumberOfBatches <Int32>]
 [-Partition <MailboxIdParameter>]
 [-WhatIf]
 [<CommonParameters>]

Parameters (7)

Parameter	Type	What it controls
-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 available only in on-premises Exchange.
-Features	MigrationFeature	This parameter is available only in on-premises Exchange.
-MaxConcurrentMigrations	Unlimited	This parameter is available only in on-premises Exchange.
-MaxNumberOfBatches	Int32	This parameter is available only in on-premises Exchange.
-Partition	MailboxIdParameter	This parameter is available only in the cloud-based service.
-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.