Unable to login to FTP account: 530 Login or password incorrect

Created:

2016-11-16 12:40:59 UTC

Modified:

2017-08-18 12:54:32 UTC

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Unable to login to FTP account: 530 Login or password incorrect

Applicable to:

  • Plesk Onyx for Windows
  • Plesk 11.x for Windows
  • Plesk 12.0 for Windows
  • Plesk 12.5 for Windows

Symptoms

Unable to login to FTP account in Plesk for Windows using any method for FTP login:

530 Login or password incorrect

or:

Access denied

Third party service is listening on port 21:

C:\> netstat -abno
Proto Local Address Foreign Address State PID
TCP 0.0.0.0:21 0.0.0.0 LISTENING 1308
filezillaftpserver

The following information may be shown when trying to login:

 220-FileZilla Server 0.9.52 beta
220-written by Tim Kosse (tim.kosse@filezilla-project.org)
220 Please visit https://filezilla-project.org/
530 Login or password incorrect

Password used is valid.

Cause

FileZilla Server is running on the same port and catches all the connections. In Plesk server on Windows, IIS takes the role of FTP server.

Resolution

Remove or stop FileZilla service that is running on 21 port to make Plesk FTP accessible.

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