I agree with David me too after 10 year been Cisco partner I dropped cisco, because I got fed-up of year after year taking the repetitive Cisco exam.

I do have one and I did used it for some time it worked fine with UC520 but I had to removed some time ago because I am using deferent system I also had cisco 7921 wireless phone working with no problem. I agree tac was not help but I managed to get ...

1-why do you want to use WLC526 as a DHCP? 2- what end devices you need to get DHCP services?