*Features

~95.5% reduction in IOPS

Exchange 2013 is capable of being deployed in a multi-site worldwide architecture with a single namespace. ( using multiple technologies )

Auto re-seed to spare disk. ( but needs operational maturity )

 

 

*Good to know

CAS is now a protocol proxy only. (2 layers V/S 5 layers)

No longer supports MAPI Clients ( only outlook anywhere )

No MAPI on CAS only RPC-over-HTTP

ECP is now EAC

Notification to admin when certificate is expiring ( EAC )

Maximum DB per server; Enterprise Edition- 50, Standard Edition - 5

one thread per DB

Hard block on 2003 to 2013 migration. (even cross forest )

New server gets into maintenance mode once it is installed

Quota notification e-mail is generated during users login ( V/S every day at midnight in Exchange 2010 )