Check the FTP Sessions workspace. If several FTP sessions have ended with codes that indicate a network error or socket error:
((Session End Reason = 2) & (FTP Type = Server)) | ((8 <= Session End Reason <= 9) & (FTP Type = Client))
There may be a problem in the network or on the system where the client or server is running. Contact the network or
system administrator and provide the Session End Reason Codes, the Session
End Reason Description, and the Logging Session ID (if it is available).
For server sessions (FTP Type = Server), if FTP server activity logging is
enabled, the SYSLOGD file may contain trace entries related to the failure.
The value displayed for Server Logging Session ID may be used to locate entries
in the file for the failed session. The trace entries are identified by message
IDs. The documentation for the messages may provide additional assistance
to diagnose the problem.
For client sessions (FTP Type = Client), the
system log may contain message EZA2589E. This message may contain additional
information about the problem. The documentation for the message in z/OS
Communications Server IP and SNA Codes or in z/OS Communications Server
IP Diagnosis Guide might provide additional
assistance to diagnose the problem
This warning situation is based on
the session end reason code provided when a session ends. By default, this
situation is evaluated every 15 minutes and is not run at startup.
Note: For z/OS v1.8 or higher only.
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