Lync 2010 -> Skype for Business Migration – Address Book/Authentication Issues

Environment: Lync Server 2010 – Enterprise Edition Skype for Business Server 2015 – Enterprise Edition Issue: When migrating a user from Lync Server 2010 to Skype for Business 2015 we encountered 2 issues: Address book search was not returning any values Authentication pop-up Resolution: The Lync Server 2010 web services can have connectivity issues that […]