The recommended firmware on the ZD1106 is 9.8.2.0.15, and 9.6.1.0.15 is a
recommended upgrade path. I have a mix of ZF7363 and 7372 APs, and they
remain disconnected after the ZD upgrade (except for one, oddly enough).
Downgrading back to the 9.6 version fixed it (except for one, not the
same one that connected; it remains disconnected). Any ideas?