# Panel Requires Upgrade

Server Manager pages display "Panel requires update" if the associated applications must be upgraded to run on the currently installed version of MSL. You will see this message displayed after you upgrade MSL to a new version, but before you have upgraded the installed applications blades to the required version.

For MiCollab and MiVoice Business Express systems, you must upgrade the MiCollab applications from the server conso l e. Refer to the MiCollab Installation and Maintenance Guide or the MiVoice Business Express Deployment Guide for instructions.

For MSL systems, upgrade the blades from the Blades panel.