An 1142 access point in hybrid-REAP mode sometimes enters stand-alone mode. If the access point is rebooted while in stand-alone mode, the 802.11a radio changes to a different channel than the one configured by the controller after a few minutes.

WLC sends incorrect user name to RADIUS server when performing MAC authorization on MESH APs. From Configuration Guide and Release notes:http://www.cisco.com/en/US/docs/wireless/controller/5.2/configuration/guide/c52mesh.html#wp1578796http://www.cisc...

In UK, a UK specific wall socket is used, not an RJ11. Make sure that you are only using two-wire phones.

I think you have to purchase new license again. http://www.cisco.com/en/US/prod/collateral/optical/ps5724/ps2006/prod_end-of-life_notice0900aecd806d48b2.html

Did you ever get an answer on this? I'm seeing a similar problem.