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I have a home network and access a desktop computer from my laptop (both Win 10) using Remote Desktop. This is using an internal IP 192.168.0.XXX. Most of the time it works fine but a few times a day I cannot connect or the connection drops getting the standard Remote Desktop connection error. From the laptop if I ping the desktop IP no packets go thru. If I ping the desktop using either the external IP or DDNS host name it works fine. Note I do have port forwarding set up in my Asus RT-AC68U router to access the desktop from the outside world. I can ping the other clients on the network fine just not the desktop. Whats weird is from the desktop window on the laptop I can ping the other network devices just fine. Access directly from the desktop works all of the time too. It is not a laptop issue as my iPhone 6 can't ping the desktop either but can the other devices on the wifi network. This has me totally stumped.
What could cause this? I have tried rebooting the laptop, desktop and router but only time solves the problem. Even when I can connect via Remote Desktop ping does not go thru. Could this be a loopback problem? I do run the latest Merlin firmware in the router.
I can get out from the physical machine all of the time. Pinging the desktop does work sometimes too, so it is sporadic. I do have it set to a static address since it needs to be accessible from outside the network. I have Windows firewall disabled as I use Bitdefender but even disabled that when testing with no change. – balcy24 – 2016-01-28T06:28:12.960
@balcy24 Are you able to remote desktop from another machine internally? Really there are too many variables here to give a very direct answer. I'm fairly confident it's some aspect of your desktop causing the issue though, from what you've said so far. – Jonno – 2016-01-28T06:31:57.200
I can remote desktop in from my iPhone using a RD app except when it wont connect from the laptop so it does seem like a network connection issue.The physical machine runs 24x7 with an online game running in the background. That connection rarely if ever drops. I do have a gigabit network card I can install to see if that fixes the issue. Right now it is connected to a network port off my Asus motherboard. – balcy24 – 2016-01-28T06:42:07.800