Server unexpectedly closed the connection

Question

Hi Guys,

My AWS EC2 instance throws an error "Server unexpectedly closed the connection"  while trying to connect with Putty or WinSCP. 

How can I solve this error?

Thank You

Answer 1

Hi@akhtar,

There are many reason to cause this scenario. But most usual one is you have not configured your Security Groups correctly. Check for port number 22 in your security group.

Hope this will help.

Thank You