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Active Directory fix for Office 365: Enables users to sign-on using an Office 265 email

From

Cover of MCSA 70-410 Cert Guide: Installing and Configuring Windows Server 2012 R2

Note

Un-submitted Errata: Should Read: Active Directory fix for Office 365: Enables users to sign-on using an Office 265 email address, and provides a user experience parallel to that of Windows 8.1 Update.