Recently we ere applying a SPP 2016.04 for some our blade servers. After upgrade one the server did not have network. From ESXi console everything looked OK. Tried cold boot – nothing. Tried downgrade of Emulex CNA firmware – nothing. Tried latest Emulex firmware again – nothing. Finally turned off server, went to VCEM (Virtual Connect Enterprise Manager) and edited the faulty profile by just clicking edit and then saved the profile again. Powered up the server and now everything was OK. I guess firmware update somehow damaged the profile and by re-applying the profile using VCEM it got fixed.
Corrupted server profile in HP blade server after firmware upgrade