Cisco UCS - Terminating CIMC Session (CIMC - "The maximum number of user sessions has been reached" Error)

On same cases, more than one user can login CIMC via Web or CLI.
It will cause you to get "The maximum number of user sessions has been reached" error on CIMC Web GUI while trying to login.

It means you need to terminate some of unnecessary sessions.
You can easly do it on CIMC CLI.

Please follow kindly below steps

1. Login CIMC CLI with admin credentials by SSH

2. Check current sessions

ucs-c260-m2# show user-session
ID     Name             IP Address        Type         Killable
------ ---------------- ----------------- ------------ --------
6      admin            10.30.100.XX      CLI          yes    
5      admin            10.30.100.XY    webgui       yes    
4      admin            10.30.100.XZ    webgui       yes    
2      admin            10.30.100.XX     webgui       yes    
1      admin            10.30.100.XA    webgui       yes    
ucs-c260-m2#
ucs-c260-m2#

3. Dive into session configuration

ucs-c260-m2# scope user-session 2       ("2" means session ID "2")
ucs-c260-m2 /user-session # terminate


After these steps, you can login CIMC Web GUI succesfully.
Congrats,

Regards,
Mesut

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Mesut