The SERVER_ALIAS_INFO union contains information about an alias attached to a server name.

 typedef 
 [switch_type(unsigned long)] 
 union _SERVER_ALIAS_INFO {
   [case(0)] 
     LPSERVER_ALIAS_INFO_0 ServerAliasInfo0;
 } SERVER_ALIAS_INFO,
  *PSERVER_ALIAS_INFO,
  *LPSERVER_ALIAS_INFO;

ServerAliasInfo0: A pointer to a structure containing information about an alias attached to a server, as specified in section 2.2.4.102.