Last Modified: Dec 19, 2025
Affected Product(s):
BIG-IP TMOS
Known Affected Versions:
15.1.9, 15.1.9.1, 15.1.10, 15.1.10.2, 15.1.10.3, 15.1.10.4, 15.1.10.5, 15.1.10.6, 15.1.10.7, 15.1.10.8, 16.1.6, 16.1.6.1, 17.5.0, 17.5.1, 17.5.1.2, 17.5.1.3, 21.0.0
Opened: Nov 10, 2025 Severity: 3-Major
After restarting mcpd, mcpd is stuck in a restart loop.
BIG-IP is in inoperative state , MCPD in a restart loop
-- You set a DB variable that's encrypted ( proxy.password, configsync.password) -- Change the SecureVault master key and save the configuration
If a system is affected by this issue, set the DB key back to its default value. Once the configuration is loaded, set the DB key back to the correct value: - tmsh modify /sys db config.auditing.forward.sharedsecret value '<null>' After changing the SecureValue master key but before encountering the issue, run the following command to update the value of the DB key on-disk: setdb config.auditing.forward.sharedsecret "$(getdb config.auditing.forward.sharedsecret)"
None