Bug ID 610224: APM client may fetch expired certificate when a valid and an expired certificate co-exist

Last Modified: Oct 06, 2020

Bug Tracker

Affected Product:  See more info
BIG-IP APM(all modules)

Known Affected Versions:
11.6.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3, 11.6.0 HF4, 11.6.0 HF5, 11.6.0 HF6, 11.6.0 HF7, 11.6.0 HF8, 11.6.1, 11.6.1 HF1, 12.0.0, 12.0.0 HF1, 12.0.0 HF2, 12.0.0 HF3, 12.0.0 HF4, 12.1.0, 12.1.0 HF1, 12.1.0 HF2, 12.1.1, 12.1.1 HF1, 12.1.1 HF2

Fixed In:
13.0.0, 12.1.2, 11.6.1 HF2

Opened: Aug 11, 2016
Severity: 3-Major
Related AskF5 Article:


APM client does not consider the expiration when it matches certificates for Machine Cert Check. If a matching but expired certificate is found before a valid certificate, the expired certificate is used for Machine Cert Check on Windows.


Machine Certificate check fails.


A valid and an expired certificate co-exist in the certificate store.


Remove the expired certificate from the store.

Fix Information

When a valid and an expired certificate co-exist, the system now matches the valid certificate.

Behavior Change