1.7 Versioning and Capability Negotiation

Capability negotiation: The client checks the version number returned by the server in either the EcDoConnectEx method, as described in [MS-OXCRPC], or the X-ServerApplication header of the Connect request type response, as described in [MS-OXCMAPIHTTP]. If the server returns a version that is greater than or equal to 14.0.324.0, the client never deletes the conversation action FAI message, as described in section, and disables almost all processing of incoming E-mail objects, as described in section