"You can’t sign-in with this version of Lync. Please install Lync 2010" error after Lync Mobile 2013 is installed

PROBLEM

After Lync Mobile 2013 is installed, users who try to sign in to their organization’s Lync server or to Skype for Business Online (formerly Lync Online) in Office 365 receive the following error message:
You can’t sign-in with this version of Lync. Please install Lync 2010.

SOLUTION

If the users are signing in to an on-premises Lync Server 2013 deployment, you must apply Cumulative Update 1 for Lync Server 2013, and mobility must be enabled. For more information, go to the following Microsoft Knowledge Base article:
2809243 Updates for Lync Server 2013
If the users are signing in to Skype for Business Online in Office 365, they may have to wait until your organization receives the latest Skype for Business Online service upgrades.

For more information, see the following Microsoft websites:

MORE INFORMATION

For more information about how to troubleshoot additional sign-in-related issues with Lync Mobile 2013, go to the following Microsoft Knowledge Base article:
2806012 Users can't sign in to Skype for Business Online by using Lync Mobile 2013

Still need help? Go to Microsoft Community.
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Article ID: 2868219 - Last Review: Dec 20, 2016 - Revision: 1

Skype for Business Online

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