title: I can't transfer files using pscp to amazon AWS ec2 instances. Key refused
body: <p>I can connect to the server command line using Putty using the same private key.</p>
  
  <p>But when I try to use the same key to transfer a file from my PC over to the server":</p>
  
  <p><strong>pscp -i C:\xxx.ppk  "C:\xx\somefile.yy" ec2-xx-xx-xxx-xxx.compute-1.amazonaws.com:/home/(some location)</strong></p>
  
  <p>I receive the following error:</p>
  
  <p><strong>Server refused our key
  Fatal: Disconnected: No supported authentication methods available (server sent:
   publickey)</strong></p>
  
  <p>Could someone help me with fixing this problem please?</p>