

A mismatch between a user ID and the user's SIP address may cause confusion for the Lync Online user during sign in.Įnterprise Single Sign On users in Office 365 are unable to login to Lync. Otherwise, the two values would be mismatched. Previously, when a user’s Office 365 sign-in address was changed, the IT administrator had to update the user's SIP address separately to match the new Office 365 sign-in address. : When a user’s Microsoft Office 365 sign-in address (or user ID) is changed, the Microsoft Lync Online SIP address for the user is automatically synchronized. The Microsoft Support team released the following Knowledge Base articles with solutions to these issues:Ĭonsiderations for Lync Online when you change an Office 365 sign-in addr.

The Microsoft Support team released the following Knowledge Base articles with solutions to two sign-in issues.Īuthor: Darrin Hanson, Microsoft Technical Readiness Engineer First published on TECHNET on May 01, 2013
