THisis not recommanded to COPY the config from 4400WLC and upload to new WLC 5508.
Cisco recommandation:
Do not download a configuration file to your controller that was uploaded from a different controller platform. For example, a Cisco 5500 Series Controller does not support the configuration file from a Cisco 4400 Series or 2100 Series Controller.
But but..... I think Cisco doesn't support it, but it does work. To easiest way to get one config to the other is to take the config from the existing and putting it on the new wlc. Now the new one will be offline, so when you do this, you can always verify that the configuration is identical. Of course the part of the configuration that you will have to change is the hostname, mobility information, maybe ip address.then you can change from GUI .....It will work
If you copied from 1wlc to another then you have to lokk for may thing taht what is right or wrong.
BUt If you beleive me then do the config from scratch for 5508 WLC.
Reagrds
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