Hi Gabriele,
Thank you for contacting Cisco support community center. In order to have a better understanding of the issue, could you please answer the below questions?
- How many users are being connected to the AP? The recommended user support is "Up to 16 connected users, or 10 active users."
- Is bandwidth utilization enabled on the AP? You may check this by going to "Wireless/Bandwidth Utilization". This option stops accepting new client associations when the percentage limit has been reached.
- Could you please attach a screenshot of the logs?