Windows Server 2012

Windows Server 2012. 

This will help us you to understand what are the featured removed from the Server 2012.

Cluster.exeGood old cluster.exe will be replaced by failover cluster powershell cmdlets. Cluster.exe won’t be installed by default but it is an optional component. 32 bits DLL resources are no longer supported also.

XDDMHardwire drivers support XDDM has been removed in Windows Server 2012. You may still use the WDDM basic diplay only drive that is included in this OS.

Hyper-V TCP OffloadTCP offload feature for Hyper-V VMs will be removed. Guest OS will not able to use TCP chimney.

Token Rings

Token ring network support is removed in Windows Server 2012, who needs it anyway? SMB.sys this file has been removed, now OS uses the WSK, winsock kernel to provide the same service. NDIS 5.x NDIS 5.0,5.1 and 5.2 APIs is removed. NDIS 6 is supported.

VM Import/Export

In hyper-v, the import / export concept of transporting VM is replaced by “Register / Unregister” command / method.

SMTP SMTP and the associated management tools are deprecated. you should begin using System.Net.Smtp. With this API, you will not be able to insert a message into a file for pickup; instead configure Web apps to connect on port 25 to another server using SMTP. 

WMI Namespaces

SNMP service and its WMI components will be remoced.
Win32_serverfeature namespace is removed.
wmic command line tool is now replaced with get-wmiobject..