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Configure the Availability Service for Network Load Balanced Computers

Exchange 2010
 

Applies to: Exchange Server 2010 SP3, Exchange Server 2010 SP2

Topic Last Modified: 2012-07-23

Outlook 2007 discovers the Availability service URL using the Autodiscover service. To use network load balancing with the Availability service, you must make changes to your configuration. Specifically, for the Autodiscover and Availability services to work, DNS needs to be configured so that mail.<domain name>.com and autodiscover.<domain name>.com point to the Network Load Balancing (NLB) array of Client Access servers. In the previous sentence, <domain name> is a placeholder for your domain name.

You can configure the Availability service for network load balanced computers using the Exchange Management Shell.

Looking for other management tasks related to managing the Availability service? See Managing the Availability Service.

Review the section "Availability Service Network Load Balancing" in the topic Understanding the Availability Service.

You need to be assigned permissions before you can perform this procedure. To see what permissions you need, see the "Availability service permissions" entry in the Client Access Permissions topic.

This example configures the Availability service for load balancing for a domain named Contoso.com.

Set-WebServicesVirtualDirectory -Identity "EWS*" -ExternalUrl "Https:// mail.contoso.com/EWS/Exchange.asmx" -InternalUrl "Https:// mail.contoso.com/EWS/Exchange.asmx"
noteNote:
If you have a set of load balanced Client Access servers, you don't have to specify the name of each server when you run this command. You only need to use the name of one of the servers in the set of load balanced servers.

For information about syntax and parameters, see Set-WebServicesVirtualDirectory.

After you configure the Availability service for network load balanced computers, you may also want to:

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