Bug ID 754335: Install ISO does not boot on BIG-IP VE

Last Modified: May 29, 2024

Affected Product(s):
BIG-IP Install/Upgrade, TMOS(all modules)

Known Affected Versions:
14.1.0,,,,,, 14.1.2,,,,,,,,, 14.1.3,, 14.1.4,,,, 15.0.0, 15.0.1,,,,, 15.1.0,,,,,, 15.1.1, 15.1.2,, 15.1.3,, 15.1.4

Fixed In:

Opened: Dec 31, 2018

Severity: 3-Major


The install ISO does not boot on BIG-IP Virtual Edition (VE).


The system does not fully boot and hangs, preventing you from performing an installation or using the live environment for other recovery purposes.


Attempting to boot a BIG-IP VE from a virtual DVD-ROM drive loaded with an affected ISO file.


To work around this issue, boot the BIG-IP VE from an ISO file earlier than 14.1.0. If necessary, install that version, and then upgrade to 14.1.0 using the live installer.

Fix Information

Fixed an issue with iso images not booting.

Behavior Change

The fix introduces a behavioral change in the serial console prompt when compared to the legacy console. During DVD, USB, PXE installations, MOS reboots on hardware platforms: The login prompt will read 'localhost login:' before changing to the 'switch_root' prompt. After logging in as root, the prompt changes to 'switch_root'.

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips