The SESSION_INFO_502 structure contains information about the session, including name of the computer; name of the user; and files, pipes, and devices on the computer.
typedef struct _SESSION_INFO_502 {
    LPWSTR    sesi502_cname; // client name (no backslashes)
    LPWSTR    sesi502_username;
    DWORD     sesi502_num_opens;
    DWORD     sesi502_time;
    DWORD     sesi502_idle_time;
    DWORD     sesi502_user_flags;
    LPWSTR    sesi502_cltype_name;
    LPWSTR    sesi502_transport;
} SESSION_INFO_502, *PSESSION_INFO_502, *LPSESSION_INFO_502;
 | Value | Meaning | 
|---|---|
| SESS_GUEST | The sesi502_username member established the session using a guest account. | 
| SESS_NOENCRYPTION | The sesi502_username member established the session without using password encryption. | 
| Value | Meaning | 
|---|---|
| DOS LM 1.0 | LAN Manager for MS-DOS 1.0 clients. | 
| DOS LM 2.0 | LAN Manager for MS-DOS 2.0 clients. | 
| OS/2 LM 1.0 | LAN Manager for MS-OS/2 1.0 clients. | 
| OS/2 LM 2.0 | LAN Manager for MS-OS/2 2.0 clients. | 
Sessions from LAN Manager servers running UNIX also will appear as LAN Manager 2.0.
  Windows NT: Requires version 3.1 or later.
  Windows: Requires Windows 95 or later.
  Windows CE: Unsupported.
  Header: Declared in lmshare.h.
Networking (Net) Overview, Net Structures, NetSessionEnum