Article ID: 2882813 - View products that this article applies to.
Consider the following scenario:
This issue occurs because Lync 2013 doesn’t pass the Office 365 credentials to ADFS.
Note Lync 2013 passes the on-premises credentials to ADFS.
To resolve this issue, install the following update:
(http://support.microsoft.com/kb/2825630/ )Description of the Lync 2013 update: September 20, 2013