Last Modified: Sep 02, 2026
Affected Product(s):
BIG-IP TMOS
Known Affected Versions:
17.5.1.9
Fixed In:
17.1.3.5
Opened: Aug 06, 2026 Severity: 3-Major
An error message might appear when attempting to update IPS IM_package: "Error during switching: TMCTL IM does not match the active IM, falling back to FactoryDefaults"
The impact is that the system reverts to the default IM package
On versions 17.5.1.9 or 17.1.3.5, an error may occur when updating the IPS im_package
To mitigate or fix the issue, update to an IM package released on or after August 7th 2026
To mitigate or fix the issue, update to an IM package released on or after August 7th 2026