windows server 2003

listar utilizadores com sessão inicada na máquina:
qwinsta

resultado:

C:\Documents and Settings\professor1>qwinsta
SESSIONNAME USERNAME ID STATE TYPE DEVICE
console 0 Conn wdcon
rdp-tcp 65536 Escutar rdpwd
>rdp-tcp#8 professor1 1 Ativo rdpwd
prof1 2 Disco rdpwd

isto resolveu:
https://community.spiceworks.com/topic/129470-event-id-13568-source-ntf…

https://support.microsoft.com/en-us/kb/290762

http://www.windowsitpro.com/article/tips/jsi-tip-10315-your-receive-mul…-