Last modified: March 16, 2009
Applies to: Exchange Server 2007 | Exchange Server 2010
The UserSid element represents the security descriptor definition language (SDDL) form of the user security identifier in a serialized security context SOAP header. Token serialization is not supported.
The following sections describe attributes, child elements, and parent elements.
Used in the SOAP header for token serialization in server-to-server authentication.