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windows server 2003 remote desktop

By xcabal12 ·
we are have this strange problem with our windows server 2003 and remote desktoping in to it from the outside, it work fine for 3,4 days and then starts taking for forever to load the dell background without even show the login options before is kicks the connection out later it just starts locking up and then finally just never connects to the server, to solve it requires a server restart. i cant find anything wrong in the logs in the server and our router/firewall is just reporting dropped connections and i cant figure out whats going on or causing the problem, the router is set to allow the rdp so that not the issue,

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All Answers

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what about from the LAN side?

by Rob Kuhn In reply to windows server 2003 remot ...

How is it from the LAN side when it starts to bog down from the outside? Are you seeing the same thing or are things normal?

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Reponse To Answer

by xcabal12 In reply to what about from the LAN s ...

I cant say, the problem starts when nobody is around mostly happening at night. the next day nobody has any issues

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At night?

by Rob Kuhn In reply to windows server 2003 remot ...

Do you have anything happening on that server at night? Virus scans, defrag job, backup job or some other scheduled task? Something that could perhaps not only be causing the server to bog down and/or perhaps cause a memory leak?

Is there anything running in the background?

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Reponse To Answer

by xcabal12 In reply to At night?

i made sure there is nothing running for the past month during the night hours but it still happens, i also did a port scan from the outside using nmap which showed that it started blocking all the ports but nothing is set in the router/firewall to block them at anytime

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Hm.

by Rob Kuhn In reply to windows server 2003 remot ...

It almost sounds like you're suffering from a DoS attack (Denial-of-Service).

I don't know how easy or hard it is for you to do but one thing you can try is changing the public IP address and see how it goes. If you go that route, I might suggest you change the internal IP address too just in case the DoS attacks are actually coming from the inside of your firewall.

But before you go through that aforementioned hassles, when connecting from the outside, do you have to establish a VPN connection first? Or do you just have the port open? If the later I would *strongly* suggest you close that port and put in a VPN connection. Even if it's just the Microsoft RAS/PPTP (it's real easy to setup and you can secure it).

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Reponse To Answer

by xcabal12 In reply to Hm.

im will look into getting the public ip change and setting up a vpn, the logs dont show anything like A DoS going on

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Thought

by gdeangelis In reply to windows server 2003 remot ...

Have you logged in from the console and examined CPU and running tasks? Any new software, or changes recently ? I'd look at getting it off the network entirely for the same amount of time it would take to have issues normally, then access it from a laptop and a crossover cable. Like Rob mentioned above, you can at least isolate the problem. A good scan might turn up some goodies too! Anyone leaving term sessions up and running? This can chew up CPU. Also, when you boot the server, do you see any errors reported in post like CPU or memory? Maybe a fan failure?

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Reponse To Answer

by xcabal12 In reply to Thought

nothing in the console that shouldnt be there, getting off the network is going to be tricky to say the least, nothing be in reported at boot.

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Remote Desktop Connection Configuration

by supm1ke In reply to windows server 2003 remot ...

Have you tried adjusting the connection settings on the Remote Desktop software itself before connecting? You may want to at least adjust it to something other than a LAN Connection to save in the network draw.

Also, is this happening around the same time or does it vary?

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Reponse To Answer

by xcabal12 In reply to Remote Desktop Connection ...

it already on the lowest settings, and it happen mostly after everyone leaves work, but at different times

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