There are a lot of FTP errors out there.
Way too many, right?

 

You as a sysadmin know that for sure – login errors, syntax errors, connection errors, timeout errors,
bandwidth errors,
and others. 

Here you'll find a list of the most common FTP error codes and proven quick fix solutions:

    1. FTP error “550 Permission Denied” or “550 No Such File or Directory”
    2. FTP error “530 User cannot log in” or “Home Directory Inaccessible”
    3. FTP error “425 Can’t Open Data Connection”
    4. FTP error “ECONNREFUSED” or “Connection Refused by Server”
    5. FTP error “421 Service Not Available”
    6. FTP error “Connection Timed Out”
    7. FTP error “EAI_NONAME” or “Neither nodename nor servname Provided, or Not Known”
    8. FTP error “Bandwidth Usage is Restricted”
    9. FTP error “Put/Get Fails to Complete”
    10. FTP error “Connection Error 10060” or “Socket Error 10061”

 

And you'll find the solution to get rid of ALL FTP errors – forever: Test PRTG as your new monitoring tool
and get started within minutes!

 

 1. FTP error:

“550 Permission Denied” or “550 No Such File or Directory”

 

 

Quick fix

Many FTP users come across error message 550. As all 5xx errors, the “550 No such file or directory” error message is a permanent negative completion reply status of the FTP server. The requested action could not be processed, because the command was not accepted by the server. This problem has several possible causes, for example access restrictions for the requested file, an incorrect path, or mounted file systems.

To get rid of FTP error 550, check the path that you are using is correct and leads you to the requested file. If this is not the case, try using the absolute path of the file. If the error persists, check the mount points and make sure that the file system exists and that you have the permission to access it.

 

Best solution:

https://bobcares.com/blog/ftp-550-no-such-file-or-directory/

 Proper fix

Switch to PRTG: PRTG all-in-one FTP monitoring software effectively monitors the performance of FTP servers via encrypted and unencrypted server connections, measures response time, and reports problems.

Find out how PRTG’s monitoring can help you get rid of FTP errors

 

 2. FTP error:

“530 User cannot log in” or “Home Directory Inaccessible”

 

 

Quick fix

The common FTP error 530 occurs when the user is trying to connect to the FTP server. It may occur with both anonymous and basic authentication and is usually accompanied by an error message such as “user cannot log in, home directory inaccessible” or “critical error: could not connect to server.”

There are two common causes and quick fix solutions for FTP error 530:

  1. The user does not have access to the home directory. Go to the settings and make sure that the user can access the directory. This should solve the issue if it is caused by permission problems.
  2. Another possible reason is that IIS is not configured to use passive mode FTP. Go to the settings and enter a port range and IP address on the page “IIS > Server name > FTP Firewall Support” to enable passive mode.

 

Best solution:

https://techcommunity.microsoft.com/t5/iis-support-blog/ftp-530-user-cannot-log-in-error-and-solution/ba-p/364570

 Proper fix

Switch to PRTG: PRTG all-in-one FTP monitoring software effectively monitors the performance of FTP servers via encrypted and unencrypted server connections, measures response time, and reports problems.

Find out how PRTG’s monitoring can help you get rid of FTP errors

 

 3. FTP error:

“425 Can’t Open Data Connection”

 

 

Quick fix

Are you facing FTP return code 425 or the error message “can’t open data connection”? Then you are dealing with a protocol level error stating that the data connection could not be established. This could be either the connection for a directory, for an upload, or for a download.

To fix the problem, try to change the settings for the active and passive mode. If this does not help, the FTP error 425 is probably caused by the SSL requirements on the server or by firewall settings. In this case, make sure that all settings are correct and that the firewall allows incoming connections on the correct port.

 

Best solution:

http://geekswithblogs.net/Lance/archive/2008/01/24/ftp-error-425-quotcant-open-data-connection.quot.aspx

 Proper fix

Switch to PRTG: PRTG all-in-one FTP monitoring software effectively monitors the performance of FTP servers via encrypted and unencrypted server connections, measures response time, and reports problems.

Find out how PRTG’s monitoring can help you get rid of FTP errors

 

 4. FTP error:

“ECONNREFUSED” or “Connection Refused by Server”

 

 

Quick fix

The FTP error “ECONNREFUSED” indicates a failed connection to the FTP server.

If the error occurs, try one of these troubleshooting options:

  1. The most common quick fix for this FTP connection error is to change the port number from 21 (default FTP port) to 22 (default SFTP port), or the other way around. In many cases, this simple solution fixes the problem.
  2. Disable your firewall and anti-virus software, as they could be interfering with the FTP server connection.

 

Best solution:

https://www.comparitech.com/net-admin/resolving-econnrefused-server-error/

or:

https://www.hostinger.com/tutorials/how-to-fix-econnrefused-connection-refused-by-server-in-filezilla#Method-3-8211-Editing-FileZilla8217s-Network-Configuration-Wizard

 Proper fix

Switch to PRTG: PRTG all-in-one FTP monitoring software effectively monitors the performance of FTP servers via encrypted and unencrypted server connections, measures response time, and reports problems.

Find out how PRTG’s monitoring can help you get rid of FTP errors

 

 5. FTP error:

“421 Service Not Available”

 

 

Quick fix

Another common FTP error is error 421 along with the error message “service not available.” This return code lets you know that there was a problem with the connection and your requested action. The range of 4xx errors are temporary conditions, meaning that the action may be requested again.

The most common reasons for error 421 to show up are invalid FTP hosts, firewall and anti-virus software restrictions, and service configuration errors. Depending on the cause, try the following steps to get rid of the bothering error message.

  1. Invalid FTP host: Use the ping command to check the connection to the FTP host. If it does not respond, enter the correct hostname in the configuration files, then restart the network and try again.
  2. Firewall restrictions: Disable your firewalls or anti-virus software, as they could be causing the problem. By disabling the applications, you can easily identify if they are the cause of the error or not.
  3. Service configuration errors: If you have selected port 21 and this port is already occupied by a different application, this could result in error 421. In this case, check the service configuration, or change the port from 21 to 22.

 

Best solution:

https://bobcares.com/blog/ftp-error-421-service-not-available/

 Proper fix

Switch to PRTG: PRTG all-in-one FTP monitoring software effectively monitors the performance of FTP servers via encrypted and unencrypted server connections, measures response time, and reports problems.

Find out how PRTG’s monitoring can help you get rid of FTP errors

 

 6. FTP error:

“Connection Timed Out”

 

 

Quick fix

Timeout errors are common FTP return codes. The errors are indicated by messages such as “Connection times out after 20 seconds of inactivity.” If you are facing a time out error in your FTP client log, here is what you can do to solve the problem:

Go to the settings and change the connection timeout duration, for example from the default 20 seconds to 100 seconds. By increasing the duration, the server has more time to establish a connection before timing out. If the error persists, check for different possible causes. Depending on the cause, changing from passive to active mode, or vice-versa, can help you get rid of the problem. You can also try switching from SFTP to FTP, or to change the configuration settings in the FTP client account.

 

Best solution:

https://doontoon.com/index.php/blog/how-fix-ftp-error-connection-timed-out

 Proper fix

Switch to PRTG: PRTG all-in-one FTP monitoring software effectively monitors the performance of FTP servers via encrypted and unencrypted server connections, measures response time, and reports problems.

Find out how PRTG’s monitoring can help you get rid of FTP errors

 

 7. FTP error:

“EAI_NONAME” or “Neither nodename nor servname provided, or not known”

 

 

Quick fix

A failed EAI is a common problem among users of FileZilla or other FTP applications. The EAI errors are indicated by either of the two error codes “EAI_NODATA” or “EAI_NONAME.” Both errors lead to the result “Could not connect to server.”

Fortunately, there is a quick fix for the problem. To get rid of the failed EAI error with your FTP, follow these simple steps:

  1. Open the Site Manager of your FTP program.
  2. Look for the current hostname and replace it with the host IP address.
  3. To get the IP address, go to Start / All Programs / Accessories / Command Prompt, and do a ping command to get your IP address.

Enter the IP address instead of the hostname. That’s all. The problem should now be fixed.

 

Best solution:

https://www.peterstavrou.com/blog/website/fix-filezilla-connection-error-failed-eai/

 

 Proper fix

Switch to PRTG: PRTG all-in-one FTP monitoring software effectively monitors the performance of FTP servers via encrypted and unencrypted server connections, measures response time, and reports problems.

Find out how PRTG’s monitoring can help you get rid of FTP errors

 

 8. FTP error:

“Bandwidth Usage is Restricted”

 

 

Quick fix

Are you facing the FTP login message “Your bandwidth usage is restricted”? Then you are dealing with a bandwidth restriction for all FTP connections to the server. This is a restriction that cannot be changed by the user. The limited bandwidth usage prevents FTP transfers from slowing down by using too much of the network’s bandwidth.

 

Best solution:

https://bobcares.com/blog/ftp-550-no-such-file-or-directory/

 Proper fix

Switch to PRTG: PRTG all-in-one FTP monitoring software effectively monitors the performance of FTP servers via encrypted and unencrypted server connections, measures response time, and reports problems.

Find out how PRTG’s monitoring can help you get rid of FTP errors

 
 

 9. FTP error:

“Put/Get Fails to Complete”

 

 

Quick fix

The FTP command ftp put uploads a file to the FTP server. During this process, an error can occur. If the FTP put/get fails to complete, this can be caused by an interruption of the connection, by a time out, or by the server not responding.

To get rid of this FTP error, try these troubleshooting resolutions:

  1. If caused by a timeout, change the timeout duration in the settings to allow more time for the connection to be established.
  2. Make sure that the FTP server gets enough cycles to process the data you are trying to upload.
  3. Check your firewall settings and include the FTP functions in the firewall settings, or temporarily disable your firewall.

 

Best solution:

https://www.ibm.com/support/pages/ftp-putget-fails-complete-interrupted-timed-out-or-not-responding-condition

 Proper fix

Switch to PRTG: PRTG all-in-one FTP monitoring software effectively monitors the performance of FTP servers via encrypted and unencrypted server connections, measures response time, and reports problems.

Find out how PRTG’s monitoring can help you get rid of FTP errors

 

 10. FTP error:

“Connection Error 10060” or “Socket Error 10061”

 

 

Quick fix

Both FTP error 10060 and error code 10061 refer to a problem with the connection to the remote server. In the case of error 10061, the connection is actively refused by the server. It is often difficult to find the causes of these types of FTP problems. However, some reasons cause this error more often than others, and can be fixed easily. If you are facing a connection error or socket error, try the following steps to resolve the issue.

  1. Change the FTP host and port, as a spelling error in the FTP hostname or a wrong FTP port may lead to a connection error.
  2. In some cases, the firewall or anti-virus software blocks the FTP connection. If this is the cause of the connection error, change the settings of your firewall accordingly or temporarily disable the application.
  3. Some servers restrict passive FTP transfers. By changing the transfer type into active mode, you can allow the connection to the remote server.

FTP errors 10060 and 10061 can also be caused by a timeout. Change the timeout limit in the settings to make sure that the server has enough time to process your command and to send larger files.

 

Best solution:

https://bobcares.com/blog/connection-error-10060-sftp/

 Proper fix

Switch to PRTG: PRTG all-in-one FTP monitoring software effectively monitors the performance of FTP servers via encrypted and unencrypted server connections, measures response time, and reports problems.

Find out how PRTG’s monitoring can help you get rid of FTP errors

 

Choose your solution: Bugfix or replacement

 

With PRTG you'll never have to deal with
FTP errors again. Ever.

 


  • PRTG effectively monitors the performance of FTP servers

  • PRTG monitors via encrypted and unencrypted server connections

  • PRTG counts files, measures response time, and reports problems

 

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Or, you can upgrade to a paid license anytime.

 
 

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