"Lync was unable to sign in" error message when you try to sign in to Lync Online by using Lync for Mac 2011 in a Mac OS
- This issue occurs when your current time zone is the Pacific Time zone or a time zone west of the Pacific Time zone.
- If you change the system time zone to a time zone east of the Pacific Time zone, you can sign in to Lync Online by using Lync for Mac 2011. For example, you change the time zone from the Pacific Time zone to the Eastern Time zone.
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Article ID: 2803796 - Last Review: 02/01/2013 18:29:00 - Revision: 2.0
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