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File transfer9 min read14.08.2026

How to Fix FTP 530 Login Incorrect and Not Logged In

A 530 response means that the FTP server was reached but did not open a session. The cause is usually in the connection details or the server’s account policy.

FTP 530Login incorrectNot logged inFTP account
Server username and password fields in Varkuna FTP

What does FTP error 530 mean?

FTP response 530 commonly appears with “Not logged in” or “Login incorrect.” The client reached the server, but the server rejected the submitted username and password.

This differs from a timeout or port failure. Because the server replied, start with the account details, login format and account restrictions.

Do not share the password

A connection log can help support, but remove passwords, saved credentials and access secrets before sending it.

Verify the server and username

  1. 1
    Check the FTP host

    The website, control-panel and FTP addresses may differ. Use the host supplied specifically for FTP.

  2. 2
    Enter the full username

    Some hosts require user@example.com or account_user. A shortened username can cause a 530 response.

  3. 3
    Retype the password

    Check keyboard layout, capitalization, invisible spaces and old autofill values.

  4. 4
    Choose the correct protocol

    Do not use FTP credentials in an SFTP connection or assume that an SFTP account is also an FTP account.

Do not mix FTP and FTPS settings

Explicit FTPS commonly begins on the normal FTP port and upgrades to TLS. Implicit FTPS may use a separate port. Match the security type and port to the provider documentation.

A wrong security type often produces a TLS or connection error, but some servers may reject the session differently. An explicit setting is easier to diagnose than guessing with an automatic mode.

ConnectionCommon portSecurity
FTP21No encryption
Explicit FTPSUsually 21Connection upgrades to TLS
Implicit FTPSUsually 990TLS from the beginning
SFTPUsually 22Separate protocol over SSH

The server may be blocking the account

Disabled account

Check that the FTP account is active and has not expired in the hosting panel.

IP restriction

The server may accept logins only from approved addresses; a mobile IP can change.

Temporary security block

Repeated failures may trigger an IP block in the server security system.

Connection limit

Old sessions can consume the account’s simultaneous-connection limit. Close other clients and retry later.

Invalid home directory

Some servers reject login when the assigned FTP root was deleted or is inaccessible.

Before and after resetting the password

  1. 1
    Confirm the account name

    Make sure you are not changing the password for a different FTP account.

  2. 2
    Set it in the hosting panel

    Use a strong unique value that follows the provider’s character rules.

  3. 3
    Update saved credentials

    Replace the old value in the app or link the correct credential to the profile.

  4. 4
    Test one client

    Stop background clients using the old password so they do not immediately trigger another block.

Check automated workflows

Changing a password can stop deployment or backup jobs that use the same FTP account.

FTP 530 checklist

Host

Is it the provider’s FTP server?

Username

Is the full required format correct?

Password

Is it current and entered without extra spaces?

Protocol

Does FTP, explicit FTPS, implicit FTPS or SFTP match the server?

Account

Is it active, unblocked and assigned to a valid home directory?

Continue

Put the guide into practice.

Review the related Varkuna product or open its detailed user guide.