Last Modified: Aug 30, 2026
Affected Product(s):
BIG-IP Install/Upgrade
Known Affected Versions:
17.1.3.4, 17.5.1.8, 21.0.0.3, 21.1.0.1
Opened: Jul 30, 2026 Severity: 1-Blocking
In a FIPS-enabled device, upgrading or installing a defective ISO image causes the BIG-IP to remain in an "INOPERATIVE" state indefinitely due to image integrity failure. This failure occurs due to missing or incorrect HMACs for several modules. In /var/log/secure: crit root[3947]: BIG-IP Integrity Check: [ FAIL ] -- THE SYSTEM WILL HALT UPON REBOOT, CONTACT F5 NETWORKS FOR TECHNICAL SUPPORT
The BIG-IP system remains in "INOPERATIVE" state after upgrade
-- BIG-IP FIPS-enabled device -- Upgrade to an affected version
Disabling FIPS is a workaround
None