Exchange 2013 Cumulative Update 1

Today the long-awaited Cumulative for was released by the Team (KB2816900). This raises number to 15.0.620.29.

This is the product level required for co-existence with previous versions of Exchange, being Exchange 2010 SP3 or Server 2007 SP3 Rollup 10.

The Team provided a description of the major changes in CU1. You will find the announcement here; Here are some of the major changes in CU1:

  • Includes Address Book Policy Routing Agent (info);
  • Allows memberships to be managed by groups (again, as it was possible in Exchange 2007 but not in Exchange 2010);
  • Access to Public Folders you have added as favorites via your favorites menu either in or Outlook Web App (still no regular Public Folder tree access though);
  • EAC has been enhanced and now includes Unified Messaging management and options;
  • Many probes, monitors, and responders have been and improved over the RTM release;
  • Get-HealthReport cmdlet has been streamlined and its performance has been optimized;
  • Supports the Management Pack for SCOM 2007 R2 and SCOM 2012 (due at a later date);
  • High Availability changes

Note that includes a schema change. Like Service Packs for earlier versions of Exchange, the Cumulative is indeed cumulative (hence the size of 1.3 GB) and you can install it directly, i.e. no need to install RTM first. Also, once installed you can’t uninstall or any of the installed roles. The order of upgrading servers doesn’t matter, unlike with earlier Exchange versions.

Important:

Beware Full OAB Downloads After Installing 1st Exchange 2013 Server in Existing 07/10 Environment

You can download Cumulative 1 here.

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