Bug ID 587804: Symmetric Unit Key decrypt failure on base load

Last Modified: Oct 17, 2023

Affected Product(s):
BIG-IP TMOS(all modules)

Known Affected Versions:
12.1.0, 12.1.1, 12.1.2, 12.1.3,,,,,,,, 12.1.4,, 12.1.5,,,, 12.1.6, 13.0.0, 13.0.0 HF1, 13.0.0 HF2, 13.0.0 HF3, 13.0.1, 13.1.0,,,,,,,,, 13.1.1,,,,, 13.1.3,,,,,,, 13.1.4,, 13.1.5,, 14.0.0,,,,,, 14.0.1,

Opened: Apr 15, 2016

Severity: 4-Minor


On initial boot of VIPRION blade, before the blade is licensed, you may see the following error message in /var/log/ltm: err mcpd[5015]: 010713d0:3: Symmetric Unit Key decrypt failure - decrypt failure


This occurs on initial boot of the VIPRION blade, prior to licensing the device. After licensing, this error does not occur.


It is not yet known what the conditions are that trigger this error.


None. If this error is reported on first boot, but can otherwise be licensed, it can be safely ignored. If this occurred after loading a ucs file, see SOL13132: Backing up and restoring BIG-IP configuration files at https://support.f5.com/kb/en-us/solutions/public/13000/100/sol13132.html for more information on this error.

Fix Information


Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips