Bug ID 904785: Remotely authenticated users might not be able to log in over the serial console

Last Modified: Jul 12, 2023

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

Known Affected Versions:
16.1.0, 16.0.0, 15.1.0, 15.0.1, 15.0.0, 14.1.2, 14.1.0

Fixed In:
8.3.0, 16.1.0,,, 14.1.4

Opened: Apr 29, 2020

Severity: 3-Major


Remotely-authenticated users logging into BIG-IP through the serial console are immediately logged out after entering their username and password. Logging in as the same user over SSH is successful.


Remotely-authenticated users cannot log in over the serial console.


Attempting to log in over serial console when using remote authentication (RADIUS, TACACS, LDAP) and role mapping configured on the BIG-IP system.


You can work around this issue by using one of the following alternative processes: -- Log in over SSH instead -- If acceptable (taking into account security considerations), enable terminal access for all remote users regardless of assigned role, using the command: 'tmsh modify auth remote-user remote-console-access tmsh' or or from the UI.

Fix Information

Remotely-authenticated users are now able to successfully log in to BIG-IP through the serial console.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips