A common error that occurs when using is the simultaneous connections 421 (too many connections). This error occurs when the number connections from FTP clients exceeds the server’s limit. The server limit for simultaneous FTP connection defaults at 8. This error is easy to fix from the cPanel.
Log in to the cPanel
Go to the Files section and click on FTP Connections
Click on Disconnect Connection for a connection that is no longer active
Verify that the connection is disconnected
Retry the connection with your FTP client and it should work!
InMotion Hosting was founded in 2001 and provides personal and business web hosting for everyone! For more information about InMotion Hosting and the services we provide see here:
Publisher: InMotion Hosting
You can watch this video also at the source.