UNABLE TO CONNECT TO RDP SERVER IN REMMINA
One of the tools I use on a daily basis to manage my Windows servers is Remmina , which is a multi-protocol remote desktop and ssh client. In general it works great, except there were a fewWindows 2008 R2 servers in my environment that would not let me connect with Remmina. When I tried to connect I would get an error saying: Unable to Connect To RDP Server x.x.x.x I finally figured out a fix. Here's what you do: Right click on the problem server, and click Edit Click on the Advanced tab Under Security , change the drop down from Negotiate to TLS Click Save That's it, now you should be able to remote desktop into your Windows 2008 R2 servers in Remmina! OTHER Answers up vote 70 down vote I too had the problem that I could connect to a Windows 7 machine and suddenly (after weeks) I got this error: Unable to connect to RDP server In my case I deleted the entry from ~/.freerdp/known_hosts and it then worked fine.