Commands › Exchange Online
New-ForeignConnector
Create a new Foreign connector in the Transport service of a Mailbox server.
Quick start script
# New-ForeignConnector — 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-ForeignConnector
$before | Format-List
# 3. Make the change (dry run first)
New-ForeignConnector -Name <String> -AddressSpaces <MultiValuedProperty> -WhatIf
New-ForeignConnector -Name <String> -AddressSpaces <MultiValuedProperty>
# 4. Verify and diff
$after = Get-ForeignConnector
Compare-Object ($before | Out-String) ($after | Out-String)Syntax
New-ForeignConnector [-Name] <String> -AddressSpaces <MultiValuedProperty>
[-Confirm]
[-DomainController <Fqdn>]
[-IsScopedConnector <Boolean>]
[-SourceTransportServers <MultiValuedProperty>]
[-WhatIf]
[<CommonParameters>]Parameters (7)
| Parameter | Type | Required | What it controls |
|---|---|---|---|
| -Name | String | yes | The Name parameter specifies the name for the Foreign connector. |
| -AddressSpaces | MultiValuedProperty | yes | The AddressSpaces parameter specifies the domain names to which the Foreign connector sends messages. The complete syntax for entering each address space is: `AddressSpaceType:AddressSpace;AddressSpaceCost`. |
| -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 | The DomainController parameter specifies the domain controller that's used by this cmdlet to read data from or write data to Active Directory. You identify the domain controller by its fully qualified domain name... | |
| -IsScopedConnector | Boolean | The IsScopedConnector parameter specifies the availability of the connector to other Mailbox servers. When the value of this parameter is $false, the connector can be used by all Mailbox servers in the Exchange... | |
| -SourceTransportServers | MultiValuedProperty | The SourceTransportServers parameter specifies the names of the Mailbox servers that use this Foreign connector. Having a single Foreign connector homed on multiple servers provides fault tolerance and high... | |
| -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.