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Configure Autodiscover service for Skype for Business Hybrid deployment. Part: 4

Configure Autodiscover service for Skype for Business Hybrid deployment. Part: 4 

If your Skype for Business / Lync Server On-Premise and Skype for Business online environments are not ready for Hybrid deployment then refer below article.

Hybrid deployments are configurations that use both the Skype for Business Online cloud service (Office 365) and the Skype for Business/ Lync on-premises deployment.

This document will talk about Hybrid deployment of Skype for Business online and Skype for Business / Lync Server on-premises, in this type of configuration, the Autodiscover service must be able to locate where the user is actually located. That is to say, Autodiscover aids in finding the user account and where the server that hosts the user’s account is, regardless if it is in the on premises deployment or in the Skype for Business Online deployment.

For example, if a user’s account is hosted on a server in Skype for Business Online, the attempt to locate the user will happen as follows, in a process known as discoverability:

a.     User initiates a connection attempt to the on premises deployment, using domain

b.    The attempt is sent to, the DNS name associated with the Autodiscover service.

c.     Autodiscover refers to the assumed registrar pool at the on premises deployment and is given information on the user’s actual home server hosted in Skype for Bsuiness Online. Autodiscover then sends the user a referral to the online Autodiscover service.

The user initiates a connection attempt to the online Autodiscover service and is able to locate the user’s account and the user’s home server.

To enable mobile clients to discover the deployment where the user home server is located, you must configure the Autodiscover service with a new uniform resource locator (URL).

You use Get-CsHostingProvider to retrieve the value of the attribute ProxyFQDN.

From the Skype for Business / Lync Server Management Shell, type below command to setup Autodiscover URL.

Set-CsHostingProvider -Identity [identity] -AutodiscoverUrl

Where [identity] is replaced with the domain name of the shared SIP address space.


Now you are seeing correct AutodiscoverURL for user.

Reference articles:

Thank you.


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