JOBF in Connecting with error U02000063 and Server routine UCFTXEX not found causes Force Traces

Products

• CA Automic Workload Automation - Automation Engine

Issue/Introduction

After upgrading some Agents to a version 12.3.6 HF2 or superior and keeping some older version Agents, while performing some File Transfers between these two Agents, some transfers remain on Connecting status and with the following error in the report

U02000063 Connection to Agent 'XXXX' with connection data 'X.X.X.X:XXXX' not possible. Error code '10061', error description: 'No connection could be made because the target machine actively refused it.'.

At the same time, the WP produce force traces with the folllowing errors:

U00003631 Dump caused by:
U00003405 Server routine 'UCFTXEX' not found.
U00011801 Error in Server routine 'UCFTXEX ', Server: 'XXX#WP021' AE system: 'XXX'

Environment

Release : 12.3.x and 21.0.x

Component : Agent Windows and Agent AS400

Functional Area: JOBF with reverse connection being involved between Agents on different version (ie. 12.3.6 and 12.3.9)

Cause

Defect

Resolution

Workaround:

Several workarounds can be done, see below two examples:

1. Downgrade the impacted agent to the previous version or upgrade all agents to the same version.
2. Make sure that a reverse connection FileTransfer does not occur, by allowing the direct connection from Agent A to Agent B

Solution:

Update to a fix version listed below or a newer version if available.

Fix version:
Component(s): Agent Windows, Agent AS400

Automation.Engine 12.3.9HF1  - Available
Automation.Engine 12.3.9HF2  - Available
Automation.Engine 21.0.4 HF1 - Available
Automation.Engine 21.0.5        - Available

Additional Information

Problem: Automation Engine error with Server routine 'UCFTXEX' not found

Public description EN:

Solution: A problem has been fixed where reverse connected Filetransfer ended with error "error with Server routine 'UCFTXEX' not found" if the destination was an old Windows Agent.