This tool had been very helpful to do trobleshooting with mobility and Lync Store, it checks if all DNS registers were created and can be resolvable from inside and outside enterprise network
(Here is the link to download it)
My laptop is Windows 8, and was working well. Now, if I try to open Lync Connectivity Analyzer, nothing happen
Solution:
Uninstall the follow:
KB2840632
KB2833958
After uninstall, all work again.
Regards.