Last Modified: Jul 18, 2026
Affected Product(s):
BIG-IP APM
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, 11.6.1 hf2, 11.6.2, 11.6.2 hf1, 11.6.3, 11.6.3.1, 11.6.3.2, 11.6.3.3, 11.6.3.4, 11.6.4, 11.6.5, 11.6.5.1, 11.6.5.2, 11.6.5.3
Fixed In:
12.0.0
Opened: Mar 14, 2015 Severity: 3-Major Related Article:
K16853
Changing per request policy while BIG-IP serving the user requests can cause TMM to restart. This makes the TMM services unavailable until TMM is back.
Traffic disrupted while tmm restarts.
Administrator has to change the per-request policy while TMM serving user requests.
Change per-request policy in planned scheduled maintenance window where there is no user traffic expected.
TMM does not crash and administrator can change per-request policy any time now.