Environment : This article applies to all Aruba Instant Access Points running the latest version of Aruba InstantOS 18.104.22.168-22.214.171.124 or earlier.
Aruba InstantOS 126.96.36.199-188.8.131.52 can support up to 512 user entries except IAP-9x.
IAP-9x supports only 256 user entries. If there are already 512 users, IAP-9x will not be able to join the cluster.
Note:- Aruba InstantOS Prior to 184.108.40.206-220.127.116.11 can support only up to 256 user entrie