I pulled up the the page for each access point and that shows the connections by channel.  A bit cumbersome for 85 WAP's but I got the figures ... View more

If the client rejects a load balancing disconnect and falls to roam then the client has the issue.    No Meraki firmware upgrade will fix the client.    You can try and get fixed client drivers.   Otherwise your only option is to disable client load balancing on the Meraki side.   If the APs are getting overloaded as a result you may need to deploy more APs.  ... View more