3.2.4.1.8 wsmv:ActivityId

Web Services Management Protocol Extensions for Windows Vista clients MAY send the wsmv:ActivityId header with both request and response messages. The value of the wsmv:ActivityId header is an xs:string that SHOULD uniquely identify a particular Web Services Management Protocol Extensions for Windows Vista message.

The wsmv:ActivityId header MUST be defined as follows, with a value of type xs:string.

 <wsmv:ActivityId s:mustUnderstand="false"></wsmv:ActivityId>

Web Services Management Protocol Extensions for Windows Vista clients SHOULD accept any arbitrary string value for the wsmv:ActivityId header. The value MUST NOT exceed 2048 characters in length.

Web Services Management Protocol Extensions for Windows Vista clients MUST NOT set the mustUnderstand attribute of this element to "true".