Set an Exchange Cost on an Active Directory IP Site Link
Applies to: Exchange Server 2010 SP3, Exchange Server 2010 SP2
You can set an Exchange cost on an Active Directory IP site link in Microsoft Exchange Server 2010. By default, Exchange uses the cost assigned to an IP site link for Active Directory replication purposes to compute a routing topology.
Looking for other management tasks related to managing message routing? Check out Managing Message Routing.
Understand how Exchange uses Active Directory sites to route messages. For more information, see Understanding Message Routing.
Determine the name of the Active Directory IP site link for which you want to set an Exchange cost. You can examine the contents of the routing table logs and view the data in the ADTopologyPath ID section to view details about the calculated least cost routing path between two Active Directory sites.
Use the Shell to set an Exchange cost on an Active Directory IP site link
You need to be assigned permissions before you can perform this procedure. To see what permissions you need, see the "Active Directory site and site link management" entry in the Transport Permissions topic.
You can't use the EMC to export an Edge Subscription file.
This example sets an Exchange specific cost of 10 to the IP site link IPSiteLinkAB.
Set-AdSiteLink -Identity IPSiteLinkAB -ExchangeCost 10
This example clears the Exchange specific cost on the IP site link IPSiteLinkAB.
Set-AdSiteLink -Identity IPSiteLinkAB -ExchangeCost $null
For detailed syntax and parameter information, see Set-AdSiteLink.
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