Chapter 1 What’s New for FortiOS 5.2.1 : Security Profiles : Removed IM Proxy Options from the CLI
  
Removed IM Proxy Options from the CLI
The proxy options related to instant messaging (IM) functions and attributes have been removed from the CLI in FortiOS 5.2. This includes the following commands:
config imp2p
get imp2p
The DLP sensor options for AIM, ICQ, MSN, and Yahoo protocols.
The AntiVirus profile option config im.
The AntiVirus quarantine options for IM.
The Application Control profile options for IM.
The firewall profile protocol options for IM.