8 Subscribers "offline" in Cnmaestro

8 Subscribers,long time Subs... now ."offline" in Cnmaestro...never have before been. How do I get them back online? ALL not in NAT mode. PMP450 AP all subs on same AP, all subs have same set up . ALL long time with me. Suddenly appear "off line". Hmm..... I dunno....Tried onboarding.....   H


What version of cnMaestro are you using? Is it running on cloud or on-premise? Also, was there a recent software update on these devices?