APC Management Card can't access WebGUI (Someone is currently logged into the APC Management Web Server.)

If you have APC Management Interface Card, you will always happen the following problem, you must use previous machine & ip address to login and logout, else you will never get in the web interface, because it seem never have timeout on login session.

You have three solution to solve it :

Solution 1:

just simple access the following website to logout the previous session.

http://<apc management card ip>/logout.htm

Solution 2:

using telnet access the APC management card, reboot the Management card.

3. System > 4. Tools > 1. Reboot

Solution 3 :

Using a clip to press reset hole on APC mangement card