This update supersedes the update that is described in update 2981580 that was released in August 2014. All additional time zone changes that were released as hotfixes after update 2981580 was released are incorporated into this update.
If you have already deployed update 2981580, read the descriptions of the specific time zone changes that are addressed in this article to determine whether you must deploy this update immediately. If no systems are affected directly, you can schedule deployment at the next available opportunity.
We recommend that you regularly deploy the most current Windows cumulative time zone update to help maintain the consistency of the time zone database on all systems.
Article ID: 2998527 - Last Review: 27 Oct 2014 - Revision: 1