If the lockout is caused by a frozen system daemon or a stuck internal process rather than an explicit policy lock, a clean reboot of the library will clear volatile memory and reset the login tracking state.
Select the admin account and choose the or Unlock option. Advanced Firmware and Support Recovery
If the standard admin reset does not work, try logging in with the service account via the front panel or a Telnet connection (if enabled): : service
Use the navigation keys next to the LCD screen to activate the menu.
If this works, you can then change the password to something else. This is a known behavior for certain firmware upgrade paths, and it provides a quick solution if your lockout coincides with a recent code update.
Your data is safe on the tapes inside the library. The lockout only blocks management access—the cartridges, drives, and robotics remain functional. But with this guide, you will be back in control within 30 minutes.