Guys need help urgent upgraded from 4.17 to 5.5 “stable”. Userman worked fine for one day and now my cpu is running 100% all the time. none of my clients can logg in and im getting some very unhappy customers.Is this really a stable version? I will email support rif to admins.
Same as mine, my clients can connect through trial but when they go login with pass, it wont work..
Please share - how you fixed it.
I have the same problem, but with 5.6
me too .. after upgrade from 4.16 to 5.6 version my rb cpu get 100% 
… pleaseeee help us … ~_~ … 
you have to synchronize your clock, that is what i have done…
alginne
Moved to Radiusmanager…after a few tweaks running stable on a mikrotik based network.
after my experience:
I cleaned up my database before upgrading… to 5.7
Everything went smoothly.
I think the users even transfered correctly.
So far it seems to work great - cant wait to try out the new features