Last Modified: Aug 19, 2026
Affected Product(s):
BIG-IP ASM
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, 12.0.0, 12.0.0 hf1, 12.0.0 hf2, 12.0.0 hf3, 12.0.0 hf4
Fixed In:
12.1.0, 11.6.1
Opened: Feb 18, 2016 Severity: 3-Major Related Article:
K90243258
ASM chassis sync occasionally fails to load on secondary slot when a new policy is created after a series of other configuration changes in quick succession.
ASM chassis sync fails to load on secondary slot.
A new policy is created after a series of other configuration changes in quick succession
Make another system-wide configuration change, such as creating a user-defined signature, or wait until the hourly sync occurs.
ASM chassis blades are now synchronized correctly after every policy creation.