Avoiding the migration to Exchange 2013? Many IT administrators are after having experienced the headaches caused by previous migrations, and with good reason - they were cumbersome and time-consuming, and often done with little reward in the end. However, Exchange 2013 comes with significant improvements and new features to make your life easier, and we have identified the main ones below.
- Exchange architecture revisions: Exchange 2007 and 2010 are split into five roles, mainly to address issues like CPU performance, which would suffer if Exchange were running as one monolithic application. But Microsoft has made progress on the performance side, so Exchange 2013 now has just two roles: Client Access server role, Mailbox server role including the Edge server role. The Mailbox server role includes all the typical server components (including unified messaging), and the Client Access server role handles all the authentication, redirection and proxy services.
- Better High availability: Public folders use regular mailbox databases. In turn, this means that they can be made part of database availability group for disaster recovery. The store service has been completely rewritten in C#. Now each database runs in its own dedicated worker process, so a hung process in one database will not cause problems in other databases. The Lagged copy enhancements with the new Safety Net replaces the transport dumpster and provides a similar service by storing copies of messages that are successfully delivered to the active database of a mailbox server. You can now have an automatic failover of your primary data center. The only condition is to get three different sites, but the automatic failover is easy to deploy and increases resiliency of the site.
- Easier to deploy and maintain: The GUI-based EMC (Exchange Management Console) and the Web-based ECP (Exchange Control Panel) are being replaced by a single Web-based UI call EAC. It's easy to access and use, and there's nothing to deploy or maintain. In addition, public folders are no longer managed through the separate Public Folder Management Console; instead, they are managed via the EAC. PowerShell administration has been extended with 187 new commands. The DAG doesn’t need an IP address and doesn’t use a CNO or network name resource in the latest version of Exchange 2013 SP1. Exchange takes responsibility for managing cluster information and uses the data held in its configuration container in Active Directory instead.
- Better integration in Microsoft environment: SharePoint 2013 and OWA interact deeper with Site Mailboxes. Offline content is also available for OWA client and mobile. Unified search across all Office 2013 products: You can find SharePoint documents from the OWA search tool bar. With Lync integration in OWA you can identify the presence of Lync in OWA if you have Lync client, and the Integration of Office Web apps you don't need to have a local copy of Office 2013. Apps can be rendered in and documents can be edited in a browser.
- SP1 is out: Usually most administrators are waiting for SP1 to perform migrations, and it's here! SP1 now supports Windows 2012 R2, and comes with new DLP features, the return of Edge Role and many others improvements and fixes.
- Easy migration: You can easily migrate from Exchange 2007 and 2010 to Exchange 2013 by including 2013 in your org and moving your mailbox. You can use batch features to automate the process, and periodic incremental syncs to update changes during migration.
- Lower the TCO: Exchange 2013 need less server. That means hardware, less backup, less licenses, less cooling and less power. Moreover Exchange 2013 still increases the performance on storage by reducing IOPS on databases. With less IOPS needed JBOD becomes very interesting for storage and contribute in the reduction of costs.
Gone are the days of difficult and often botched migrations. Exchange 2013, with SP1, is more powerful, integrated and incredibly easy to use compare to the previous version.
It's easier, safer, and more secure…just perfect!
If you still have some issue migrating please check the following link as well they could be of interest:
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