Book Image

Getting Started with Microsoft Lync Server 2013

By : Fabrizio Volpe
Book Image

Getting Started with Microsoft Lync Server 2013

By: Fabrizio Volpe

Overview of this book

Lync 2013 is a product that enables users to IM, and have audio and video conferences, including multi-party video. The mobile client permits the use of all the features in every device with an access-from-everywhere logic. The company’s Active Directory users, SharePoint documents, and Exchange objects integrate with Lync to deliver most of the advanced features. Getting Started with Microsoft Lync Server 2013 will give you all the relevant information you need to enable voice features, select the best Lync client in different scenarios, make your Lync services available to the external users, empower the collaborative environment of Persistent Chat Server rooms, and to build an affordable unified communication system. Getting Started with Microsoft Lync Server 2013 will explore all the concepts you need to administer and plan a Lync 2013 environment in a short time, explaining the background mechanisms of the system.It begins with the deployment of a Lync frontend and SQL mirroring solution, including all the requirements and tips clearly laid out. It proceeds with the Front End pairing, mobility, and mediation server deployment with media bypass. It covers a core chapter about Enterprise Voice with a closing part on Persistent Chat and on clients with their characteristics. Getting Started with Microsoft Lync Server 2013 will give you all the relevant information you need to enable voice features, and will help to select the best Lync client in different scenarios.
Table of Contents (15 chapters)
Getting Started with Microsoft Lync Server 2013
Credits
About the Author
Acknowledgments
About the Reviewers
www.PacktPub.com
Preface
Index

Failover and failback options


When we start a failover or a failback operation, we have a period of time that is required for the process to actually complete. Both the actions are manually initiated and that implies that the time periods mentioned in the TechNet article, Recovery Time for Pool Failover and Pool Failback, at http://technet.microsoft.com/en-us/library/jj205079.aspx, are calculated from the moment the administrator actually launches the disaster procedure. The value indicated in the documentation as the recovery point objective (30 minutes) indicates that if we launch a failover or a failback, all the data changed in the 30 minutes between the time the failure procedure is accomplished (T) and 30 minutes before (T-30) could be lost.

As we will see, the administrator manually invokes the failover procedures using the Lync Server Management Shell. In the following schema, the various steps related to a failover and failback scenario are shown: