CRM 2011 and 2013 uses Active Directory Federation Services for Internet-facing deployments.
The folowing table describes the supported configurations for combinations of ADFS an CRM versions.
| CRM 2011 | CRM 2013 | CRM 2015 | Notes | ||
|
ADFS 2.0 |
For Windows Server 2008 and 2008 R2 Must be downloaded and installed | Supported | Supported | Supported | |
| ADFS 2.1 | Included in Windows Server 2012, installed using Server Manager | Supported in UR 13 | Supported | Supported | |
| ADFS 2.2/3.0 | Included in Windows Server 2012 R2, installed using Server Manager | Not supported | Supported | Supported |
References
For CRM 2015, support statement is a this link, https://technet.microsoft.com/en-us/library/hh699671.aspx