Removed Old Device Firmware after CUCM Upgrade

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CUCM v11+ allows the removal of old or unused device firmware easily. It’s a good practice to clean up unused device firmware after completing system upgrades or after succesful completion of device pack installs or individual device firmware installs.

Browse to the OS Administration page and navigated to Software Upgrades -> Device Load Management.
CUCM Device Firmware

Search the ‘Status’ column for the keyword ‘Not’. This lists all device firmware not is use.
CUCM Device Firmware

Select the Select All button (top left), then select Delete.
CUCM Device Firmware

You do get a grace warning message.. Click ok to continue.
CUCM Device Firmware

And now you are just left with device firmware that is currently in use.
CUCM Device Firmware

Make sure to repeat the above process for all Subscribers in the Cluster.

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