Can not connect to computer while using RDC

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Q1: I have computer with Win XP (SP2). It has <IP adress>.
Ping to this address runs ok. On this computer netstat command returns :

C:\Documents and Settings\Marek>netstat -na | findstr 3389
TCP 0.0.0.0:3389 0.0.0.0:0 LISTENING

Firewall on this computer is down.

But I can not connect to its desktop from other computer in the same local
network.
Error message "Can not connect to computer (etc)...". Login windows is not
shown.

From this computer I can:

telnet localhost 3389

but I can not:

telnet <IP address> 3389

I can conntect to this addres form other computer usung the same syntax
(telnet <IP adress> 3389).

What is wrong?

A1: Can the remote computer telnet the port 3389?

Bob Lin, MS-MVP, MCSE & CNE
Networking, Internet, Routing, VPN Troubleshooting on
http://www.ChicagoTech.net

Q2: No.

How many users can access to desktop on Win XP Prof? Is there anyy tool to
watch how many users attached to this deskop at any moment?

A2: Can you ping? make sure no other firewall or security software blocking the
LAN traffic.

Q3: Yes, thanks. I forget about firewall in antivirus program.

Many thanks,