Please do the following....
- set the log level to informational in the GUI > Controller > Logs > Logs Configuration > Wireless Controller Log Level:
- disconnect the AP from the port/power
- reconncet the AP
- look into the log, is the last message that you get "Blacklist successfully sent..." like in the screenshot below.
If not please post a screenshot
![2522cd9bf57943739e0a3945be724ec1_RackMultipart20160601-64116-18sanw9-APconnect_inline.png 2522cd9bf57943739e0a3945be724ec1_RackMultipart20160601-64116-18sanw9-APconnect_inline.png](/t5/image/serverpage/image-id/1429iB7BA7CA7709B6D79/image-size/large?v=v2&px=999)