Along with the operating environment version 2.2 upgrade there were several documents added or updated on the EMC Support page. The documents can be found from Support by product – VNXe Series – Documentation. Here are links to some of the documents:
Using a VNXe System with VMware
Using a VNXe System with Microsoft Exchange
Using a VNXe System with Generic iSCSI Storage
Using a VNXe System with Microsoft Windows Hyper-V
Using an EMC VNXe System with CIFS Shared Folders
Using an EMC VNXe System with NFS Shared Folders
VNXe Security Configuration Guide
Couple of previously published useful documents:
White Paper: EMC VNXe High Availability
Check out the EMC Support page for other updated documents.