File Transfer jobs fail with message: 'Certificate renewal request for <Agent>'

Products

• CA Automic Workload Automation - Automation Engine
• CA Automic One Automation

Issue/Introduction

After the upgrade of the Unix Agent to v21.0.5 we are seeing file transfer jobs between agents failing with the following message in the destination agent log:

U02000313 Communication error with partner '*ACCEPT(1)', error: 'TLS-handshake/67625064(bad signature (rsa routines, RSA_verify_PKCS1_PSS_mgf1))'.
U02000313 Communication error with partner '*IPC(LISTENER3)', error: 'WS-read/1(The WebSocket stream was gracefully closed at both endpoints)'.
U02003058 Agent has lost connection to 'LISTENER3/PID=xxxx' process, reason 'xxxx'.

 In the Job Report of the JOBF: 

U00064020 Certificate renewal requested for '<DEST.AGENT>'.
U00064020 Certificate renewal requested for '<SOURCE.AGENT>'.

Environment

Release : 21.0.5

Component: Automation Engine

Sub-Component: Automic Agent (Windows/*nix)

Product: CA Automic Workload Automation

Cause

The issue has been identified as a bug

Resolution

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

Fix version:

Unix/Linux Agents  21.0.10 - Available

Additional Information

The reference for this bug is AE-36030.

Public Short Description: Automatic agent certificate does not work and causes delays in processing

Public Description: An issue with the UNIX agent has been fixed where new certificates were not updated in memory when a new agent certificate was issued.