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Applies to: Exchange Server 2010

Topic Last Modified: 2011-03-19

Use the New-ForeignConnector cmdlet to create a new Foreign connector on a computer running Microsoft Exchange Server 2010 that has the Hub Transport server role installed.

New-ForeignConnector -Name <String> -AddressSpaces <MultiValuedProperty> [-Confirm [<SwitchParameter>]] [-DomainController <Fqdn>] [-IsScopedConnector <$true | $false>] [-SourceTransportServers <MultiValuedProperty>] [-WhatIf [<SwitchParameter>]]

Parameter Required Type Description




The AddressSpaces parameter specifies the domain names to which the Foreign connector sends messages. The complete syntax for entering each address space is as follows: <AddressSpaceType>:<AddressSpace>;<AddressSpaceCost>

  • AddressSpaceType   The address space type may be SMTP, X400, or any other text string. If you omit the address space type, an SMTP address space type is assumed.
  • AddressSpace   For SMTP address space types, the address space that you enter must be RFC 1035-compliant. For example, *, *.com, and *.contoso.com are permitted, but *contoso.com isn't permitted. For X.400 address space types, the address space that you enter must be RFC 1685-compliant, such as o=MySite;p=MyOrg;a=adatum;c=us. For all other values of an address type, you can enter any text for the address space.
  • AddressSpaceCost   The valid input range for the cost is from 1 through 100. A lower cost indicates a better route. If you omit the address space cost, a cost of 1 is assumed. If you enter a non-SMTP address space that contains the semicolon character (;), you must specify the address space cost.

If you specify the address space type or the address space cost, you must enclose the address space in quotation marks ("). For example, the following address space entries are equivalent:

  • "SMTP:contoso.com;1"
  • "contoso.com;1"
  • "SMTP:contoso.com"
  • contoso.com

You may specify multiple address spaces by separating the address spaces with commas, for example: contoso.com,fabrikam.com. If you specify the address space type or the address space cost, you must enclose the address space in quotation marks ("), for example: "contoso.com;2","fabrikam.com;3".




The Name parameter specifies the name for the Foreign connector.




The Confirm switch causes the command to pause processing and requires you to acknowledge what the command will do before processing continues. You don't have to specify a value with the Confirm switch.




The DomainController parameter specifies the fully qualified domain name (FQDN) of the domain controller that writes this configuration change to Active Directory.




The IsScopedConnector parameter specifies the availability of the connector to other Hub Transport servers. When the value of this parameter is $false, the connector can be used by all Hub Transport servers in the Exchange organization. When the value of this parameter is $true, the connector can only be used by Hub Transport servers in the same Active Directory site. The default value is $false.




The SourceTransportServers parameter specifies the names of the Hub Transport servers that use this Foreign connector. You may specify multiple Hub Transport servers by separating the server names with commas. Having a single Foreign connector homed on multiple Hub Transport servers provides fault tolerance and high availability if one of the Hub Transport servers fails. The default value of this parameter is the name of the Hub Transport server on which this Foreign connector was first installed.




The WhatIf switch instructs the command to simulate the actions that it would take on the object. By using the WhatIf switch, you can view what changes would occur without having to apply any of those changes. You don't have to specify a value with the WhatIf switch.

A Foreign connector uses a Drop directory on a Hub Transport server to send messages to a local messaging server that doesn't use SMTP as its primary transport mechanism. These messaging servers are known as foreign gateway servers. Third-party fax gateway servers are examples of foreign gateway servers. The address spaces assigned to a Foreign connector can be SMTP or non-SMTP.

You need to be assigned permissions before you can run this cmdlet. Although all parameters for this cmdlet are listed in this topic, you may not have access to some parameters if they're not included in the permissions assigned to you. To see what permissions you need, see the "Foreign connectors" entry in the Transport Permissions topic.

This example creates a Foreign connector with the following properties:

  • Connector name: Contoso Foreign Connector
  • Address space: "c=US;a=Fabrikam;P=Contoso"
  • Address space type: X.400
  • Address space cost: 5
  • Source transport servers: Hub01 and Hub02
New-ForeignConnector -Name "Contoso Foreign Connector" -AddressSpaces "X400:c=US;a=Fabrikam;P=Contoso;5" -SourceTransportServers Hub01,Hub02
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