IBM Support

Microsoft Windows FTP client in Windows 2016 and later causes "501 Syntax error in parameters or arguments"

Troubleshooting


Problem

In Windows 2016 and later, when a user executes the FTP client to connect to B2B Integrator's FTP Server Adapter, an error is seen:
501 Syntax error in parameters or arguments
The user sees the following:

220 Server ready for new user.

501 Syntax error in parameters or arguments.

User (and then the host name follows).

This works if the Windows 2012 client is used.

Symptom

The FTP client user sees this error:
501 Syntax error in parameters or arguments.
Lines such as these are seen in the ftp.log if it is in full debug mode:
 

COMMTRACE <-665686442 SIBX_FTP_Server_Adapter_20021_168062905733638:2314> user=[<unknown>], sessionId=[IBX_FTP_Server_Adapter_20021_168062905733638:2314], ip=[144.42.8.112], type=[REQUEST], msg=[OPTS UTF8 ON]

DEBUG <-665686442 SIBX_FTP_Server_Adapter_20021_168062905733638:2314> psclientcommon.Session.handleCommand(S) received command [OPTS UTF8 ON]

DEBUG <-665686442 SIBX_FTP_Server_Adapter_20021_168062905733638:2314> FtpCommand.handleOPTSCommand Parameter passed: UTF8 ON

DEBUG <-665686442 SIBX_FTP_Server_Adapter_20021_168062905733638:2314> ControlConnection.scheduleControlSend(S) scheduling [501 Syntax error in parameters or arguments.].

Document Location

Worldwide

[{"Type":"MASTER","Line of Business":{"code":"LOB77","label":"Automation Platform"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SS3JSW","label":"IBM Sterling B2B Integrator"},"ARM Category":[{"code":"a8m0z000000boKZAAY","label":"Protocol-\u003EFTP-\u003EFTP Server"}],"ARM Case Number":"","Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"All Versions"}]

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Document Information

Modified date:
19 April 2023

UID

ibm16984771

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