Great news on TechNet today. Microsoft announced that first SP1 is going to release first service pack with desired functional enhancements at the beginning of next year. Most important new functionalities that will be included in SP1 is following:
- Windows Server 2012 R2 Support
- S/MIME support for OWA
- Edge Transport Server Role
- Various Fixes and Improvements
Also, we should see CU3 very soon. Start planning your upgrades and migrations, it’s about time. See more here: http://blogs.technet.com/b/exchange/archive/2013/11/20/exchange-server-2013-service-pack-1-coming-in-early-2014.aspx