Last Modified: Aug 19, 2026
Affected Product(s):
BIG-IP APM, LTM
Known Affected Versions:
12.1.0, 12.1.0 hf1, 12.1.0 hf2, 12.1.1, 12.1.1 hf1, 12.1.1 hf2, 12.1.2, 12.1.2 hf1, 12.1.2 hf2, 12.1.3, 12.1.3.1, 12.1.3.2, 12.1.3.3, 12.1.3.4, 12.1.3.5, 12.1.3.6, 12.1.3.7, 12.1.4, 12.1.4.1, 12.1.5, 12.1.5.1, 12.1.5.2, 12.1.5.3, 12.1.6
Fixed In:
13.0.0
Opened: Jun 16, 2016 Severity: 2-Critical Related Article:
K55645348
When managing APM clients it is possible to encounter a rare tmm crash.
Traffic disrupted while tmm restarts.
APM enabled and actively managing clients.
None.
There is no longer a rarely encountered TMM crash when managing APM clients.