2.2.2.1 X-MapiHttpCapability

  • Article

The X-MapiHttpCapability header is an optional header used in Autodiscover requests to indicate support for the Messaging Application Programming Interface (MAPI) Extensions for HTTP, as specified in [MS-OXCMAPIHTTP]. If present in a request, the value of this header MUST be an integer value greater than zero (0) that corresponds to the highest version of the response format for the Protocol element (section 2.2.4.1.1.2.6) supported by the client. See section 3.2.5.1 for more details on the available versions of the response format.