@KocherJJ Try to do another restore of the backup you took before you reset the controller, it is important that you do not reset any of the devices otherwise they will have to be adopted again. I...

@GRL there are two of us :-)

I found it :-)

Is there any way to change the ICON, I can't find it on my controller. Can anyone give me a hint on where to configure it?

@MarcoF goto https://support.omadanetworks.com/en/product/eap245/v3/?resourceType=download

@Babun-Sikder check that the devices to be upgraded have access to the management port, it is default 8043 for software controllers