Updating the global address list ashley cole who is he dating now
The local Lync Address Book will override information kept in the Lync Address Book Services Web Query (ABS-WQ).
You can however, hide contacts by using Powershell using the Set-Mailcontact cmdlet, this blog post will provide the code required for you to be able to easily hide contacts from the GAL.
As of this writing it seems the information closest to the user takes the highest priority.
A local Outlook Contact will override the local Lync Address Book.
The Problem: Your smartphones and tablets easily sync with a user's Outlook Contacts folder, but there is no built-in way to sync the GAL (Global Address List) to employees' phones, or to sync a Public Folder containing contacts.
This means that address book entries saved by users rapidly become out of date.