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Set-AdSiteLink

Applies to: Exchange Server 2010

Topic Last Modified: 2011-03-19

Use the Set-AdSiteLink cmdlet to assign an Exchange-specific cost to an Active Directory IP site link. You can also use this cmdlet to configure the maximum message size that can pass across an Active Directory IP site link.


Set-AdSiteLink -Identity <AdSiteLinkIdParameter> [-Confirm [<SwitchParameter>]] [-DomainController <Fqdn>] [-ExchangeCost <Nullable>] [-MaxMessageSize <Unlimited>] [-Name <String>] [-WhatIf [<SwitchParameter>]]

Parameter Required Type Description

Identity

Required

Microsoft.Exchange.Configuration.Tasks.AdSiteLinkIdParameter

The Identity parameter specifies the name or GUID of the IP site link for which you want to set an Exchange-specific cost.

Confirm

Optional

System.Management.Automation.SwitchParameter

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.

DomainController

Optional

Microsoft.Exchange.Data.Fqdn

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

ExchangeCost

Optional

System.Nullable

The ExchangeCost parameter specifies an Exchange-specific cost for the IP site link. This cost is used instead of the Active Directory-assigned cost when the Hub Transport servers calculate the least cost routing paths. To clear the value of the ExchangeCost parameter and revert to using the cost of the IP site link specified in Active Directory, set the ExchangeCost parameter to $null.

MaxMessageSize

Optional

Microsoft.Exchange.Data.Unlimited

The MaxMessageSize parameter specifies the maximum size of a message that can pass across the Active Directory IP site link. The default value is unlimited. When you enter a value, qualify the value with one of the following units:

  • B (bytes)
  • KB (kilobytes)
  • MB (megabytes)
  • GB (gigabytes)

Unqualified values are treated as bytes. The valid input range for this parameter is from 64KB through Int64. To remove the message size limit on an Active Directory IP site link, enter a value of unlimited.

Name

Optional

System.String

The Name parameter specifies a name for the IP site link. The name that you assign overwrites the current identity of the IP site link.

WhatIf

Optional

System.Management.Automation.SwitchParameter

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.

By default, Microsoft Exchange Server 2010 determines the least cost routing path by using the cost assigned to the Active Directory IP site link. You can use the Set-AdSiteLink cmdlet to assign an Exchange-specific cost to the Active Directory IP site link. The Exchange-specific cost is a separate attribute used instead of the Active Directory-assigned cost to determine the least cost routing path.

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 "Transport configuration" entry in the Transport Permissions topic.

This example assigns an Exchange-specific cost of 25 to the IP site link DEFAULT_IP_SITE_LINK and configures a maximum message size limit of 10 MB on the IP site link.

Set-AdSiteLink -Identity DEFAULT_IP_SITE_LINK -ExchangeCost 25 -MaxMessageSize 10MB
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