Unable to view the data collected for the Telegraf objects in the Aria Operations (vROps)

Products

• VCF Operations/Automation (formerly VMware Aria Suite)

Issue/Introduction

• Telegraf Agent processes (Aria Operations UI > Operations > Applications > Manage Telegraf Agent > Custom Monitoring > Processes) are showing "No data receiving"
• Expected metrics are not appearing under the Object metrics tab (Aria Operations UI > "Search for the Object" > Metrics Tab).
• Processes are not automatically registered in the /etc/telegraf/telegraf.conf file (file located at the endpoint).
• At the endpoint, the Salt minion shows the following authentication errors:
  • /opt/vmware/ucp/ucp-salt-minion/var/log/salt/minion/ucp-salt-minion.log
    • 2026-02-02 06:31:34.676 [salt.minion:1078] [ERROR] [7847] Error dispatching event. message authentication failed.

Environment

• VMware Aria Operations 8.18.5

Cause

The Salt master's AES key rotation every 24 hours caused intermittent connection problems due to a sync issue at the minion level. 

Resolution

This issue will be fixed in the next upcoming release.

Workaround:

1. Log in to Aria Operations UI
2. Go to Aria Operations UI > Operations > Applications > Manage Telegraf Agent > Custom Monitoring > Processes
3. Remove the processes showing "No data receiving" from the Aria Operations UI
4. Log in to the endpoint and restart the Salt Minion service:
   systemctl restart salt-minion


5. Re-add the processes in the Aria Operations UI.
6. Check if the processes were added to the telegraf.conf file.