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Windows Forum / Windows Vista / Networking / July 2008Vista Home Premium can't RDP to Server2003 from Internet
I have a laptop with Vista Home Premium that I can remote desktop to the 2003 server when on the same network using the private 192.168.x.x, but when I take the laptop home and try to remote in using our public ip address, I get the message "This computer can't connect to the remote computer". My XP laptop can remote in just fine from the internet so the firewall / router is working fine. Any suggestions? Thanks, -Wayne Assuming you have a router in the office, have you forward port 3389?  SignatureBob Lin, MS-MVP, MCSE & CNE Networking, Internet, Routing, VPN Troubleshooting on http://www.ChicagoTech.net How to Setup Windows, Network, VPN & Remote Access on http://www.HowToNetworking.com >I have a laptop with Vista Home Premium that I can remote desktop to the >2003 [quoted text clipped - 7 lines] > Thanks, > -Wayne Yes, its changed from 3389 but the router is port forwarding to the server. It works with my XP laptop. -Wayne > Assuming you have a router in the office, have you forward port 3389? > [quoted text clipped - 9 lines] > > Thanks, > > -Wayne Can you telnet port 3389 from the internet? SignatureBob Lin, MS-MVP, MCSE & CNE Networking, Internet, Routing, VPN Troubleshooting on http://www.ChicagoTech.net How to Setup Windows, Network, VPN & Remote Access on http://www.HowToNetworking.com > Yes, its changed from 3389 but the router is port forwarding to the > server. [quoted text clipped - 17 lines] >> > Thanks, >> > -Wayne I tried to telnet but got the message that telnet was an unknown command or something like that. Does Vista Home Premium have telnet and if so, how do you access/turn it on? Thanks for responding, -Wayne > Can you telnet port 3389 from the internet? > [quoted text clipped - 19 lines] > >> > Thanks, > >> > -Wayne Just to interject here -- no I don't think you'll find telnet included in Vista. You could download PuTTY, an Open Source Telnet / SSH client. > I tried to telnet but got the message that telnet was an unknown command or > something like that. Does Vista Home Premium have telnet and if so, how do [quoted text clipped - 25 lines] > > >> > Thanks, > > >> > -Wayne Sorry about the second post. I forgot to ask you to include a little more information on your setup. We need to know just how you are connecting. Is the Internet-facing IP address of your office router dynamically allocated or fixed? If dynamic, are you using DynDNS or something like that? You should walk through the settings for the WinXP and Vista systems side-by-side to see if you can spot a variance between the two. > I tried to telnet but got the message that telnet was an unknown command or > something like that. Does Vista Home Premium have telnet and if so, how do [quoted text clipped - 25 lines] > > >> > Thanks, > > >> > -Wayne The Internet-facing IP address is static. Our XP machines can rdp just fine. I don't have the Vista laptop in front of me but will try to telnet to the rdp port later today or tomorrow morning. Thanks > Sorry about the second post. I forgot to ask you to include a little more > information on your setup. We need to know just how you are connecting. Is [quoted text clipped - 33 lines] > > > >> > Thanks, > > > >> > -Wayne By default, telnet is disabled. This how to may help. Vista How toHow to Enable Remote Desktop On Vista · How to: Enable telnet on Vista · How to: Enabling ICS on Vista · How to: find out which edition of Vista running ... www.howtonetworking.com/vista/vista.htm SignatureBob Lin, MS-MVP, MCSE & CNE Networking, Internet, Routing, VPN Troubleshooting on http://www.ChicagoTech.net How to Setup Windows, Network, VPN & Remote Access on http://www.HowToNetworking.com >I tried to telnet but got the message that telnet was an unknown command or > something like that. Does Vista Home Premium have telnet and if so, how do [quoted text clipped - 29 lines] >> >> > Thanks, >> >> > -Wayne I didn't know that. I never wondered about it, either. When I didn't get a response from a telnet command I didn't bother looking any further, figuring that it was good riddance. But it is very nice to know this, especially for situations where installation of an Open Source (or other third party) telnet substitute isn't going to be accepted. > By default, telnet is disabled. This how to may help. > [quoted text clipped - 36 lines] > >> >> > Thanks, > >> >> > -Wayne I can not telnet to the rdp port from the Vista PC but . . . . . I can't telnet to the port from an XP PC that can remote into the server. I'm confused. What is this telling me? > By default, telnet is disabled. This how to may help. > [quoted text clipped - 36 lines] > >> >> > Thanks, > >> >> > -Wayne I'm not getting notifications of replies here. Hmmm. Anyway, I hope Robert L. will come back to you on this. The only things I can think of that might cause what you're seeing is if: a) your XP system and the server are using RDP over a different-than-normal port and your Vista system isn't aware of it, or b) your Vista remote desktop client is set to Do Not Connect in the dropdown under Server Authentication on the Advanced tab of its configuration dialog. Forgive me if none of this is applicable. I'm replying to this under very pressing circumstances and didn't get much time to mull over the issues. I'll try to get back to the thread in a while to give it more attention. > I can not telnet to the rdp port from the Vista PC but . . . . . I can't > telnet to the port from an XP PC that can remote into the server. I'm [quoted text clipped - 40 lines] > > >> >> > Thanks, > > >> >> > -Wayne I do have rdp configured to use a non standard port because its not a good idea to have port 3389 open to the internet. In the rdp client, I put IPaddress:Port# and it works on the XP laptop. To throw a wrench in the works, I troubleshot this issue about 5 weeks ago and gave up. The customer called me the following day and said "its working". Hmmm....and then 4 weeks later she calls up and says, "its not working again" No new updates or config changes were made to make it start working or stop working. They have since bought a second laptop with Vista and it is doing the same thing. It can connect rdp using 192.168.xx.xx:xxxx but not 66.224.xx.xx:xxxx. I don't know Vista at all. Is there some kind of security setting for rdp on the public network? I'll check later today for the setting you suggested in b) of your last post. Thanks for your reply, Wayne > I'm not getting notifications of replies here. Hmmm. > [quoted text clipped - 55 lines] > > > >> >> > Thanks, > > > >> >> > -Wayne Yes, the reason I asked about the port and about the RDP client setting on the advanced tab was because those were the first two most obvious possibilities I could think of that might explain the behavior. Obviously, it's tempting to think that it's Vista that's making the difference. I know for a fact that Vista has some peculiarities in its implementation of DHCP and the TCP/IP stack that have caused problems for some people -- particularly with some types of wireless routers. But this whole story about the problem fixing itself for a period of four weeks and then reverting to the trouble-prone behavior is a poser. You need a better history, and it doesn't sound as you're going to get it, given the situation. I'm watching and waiting. Is there any other information that could be pertinent? > I do have rdp configured to use a non standard port because its not a good > idea to have port 3389 open to the internet. In the rdp client, I put [quoted text clipped - 72 lines] > > > > >> >> > Thanks, > > > > >> >> > -Wayne Well, I was on the phone with Microsoft Professional Services for about 3 hours yesterday. They could rdp to the server with XP but not with Vista Home Premium. We sniffed the network and it appears that the Vista packets are not reaching the server. While on the phone with our ISP today, I had the tech try to rdp to our server with his Vista Ultimate, and he could. Just got off the phone with Microsoft. They gave me a link to an article - http://support.microsoft.com/?id=932134 There is mention of a router compatibility tool about halfway down the page that I am going to run tomorrow. I will send an update when I'm done. Thanks for your reply -Wayne > Yes, the reason I asked about the port and about the RDP client setting on > the advanced tab was because those were the first two most obvious [quoted text clipped - 89 lines] > > > > > >> >> > Thanks, > > > > > >> >> > -Wayne I will be very interested to learn of your findings. As I said, I have seen some routers, particularly wireless ones in my experience, which seemed to elicit truly weird and inconsistent behaviors from Vista clients. I think there is a growing consensus that this is due to some "ehancements" that Microsoft has made in TCP/IP and DHCP in Vista. > Well, I was on the phone with Microsoft Professional Services for about 3 > hours yesterday. They could rdp to the server with XP but not with Vista Home [quoted text clipped - 102 lines] > > > > > > >> >> > Thanks, > > > > > > >> >> > -Wayne The Vista remote desktop client is set to "Always connect, even if authentication fails" in the dropdown under Server Authentication on the Advanced tab of its configuration dialog. -Wayne > I'm not getting notifications of replies here. Hmmm. > [quoted text clipped - 55 lines] > > > >> >> > Thanks, > > > >> >> > -Wayne |
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