Article ID: 125368, created on Apr 30, 2015, last review on Apr 30, 2015

  • Applies to:
  • Plesk 12.0 for Windows


Unable to upload file with FTPS:

    Response:   125 Data connection already open; Transfer starting.
    Response:   550 
    Error:  File transfer failed
    Status: Starting upload of C:\test.txt
    Status: Retrieving directory listing...

From FTP logs:

    2015-01-15 00:47:18 testserver\qweqwe FTPSVC9 testserver - 21 STOR test.txt 550 2148074264

Where 2148074264 - error code.


The 2148074264 error is the SSL Error, which means:

The supplied message is incomplete.  The signature was not verified.

2148074264,0x80090318,Warning,SSPI,,,SEC_E_INCOMPLETE_MESSAGE,"The supplied message is incomplete.  The signature was not verified."


  1. Install Windows patch:
  2. Reboot the server.

Search Words

FTP service does not work

upload file with ftp TLS


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