Bug ID 1574585: Auto-Failback cluster cannot upgrade active node

Last Modified: Oct 19, 2025

Affected Product(s):
BIG_IP_NEXT(VE/HW) Install/Upgrade(all modules)

Known Affected Versions:
20.2.1

Opened: Mar 29, 2024

Severity: 1-Blocking

Symptoms

A cluster created with the auto-failback flag enabled will not upgrade the active node.

Impact

The active node cannot be upgraded.

Conditions

Enable the auto-failback flag.

Workaround

Auto-failback cannot be configured through Central Manager GUI or API to prevent getting into this situation. Once the issue is resolved, this feature will be re-enabled in the product.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips