Hi, your hostname seems to be controller001 but your config settings refer to controller01 (as far as I checked). That would explain it, wouldn't it? The "access denied" message: 2021-10-02 12:52:16 141 [Warning] Access denied for user 'nova'@'controller001' (using password: YES) and your nova endpoint: openstack endpoint create --region RegionOne compute public http://controller01:8774/v2.1 Zitat von hojat openstack-nsx-VOIP SBC <hojat.gazestani1 at gmail.com>: > Hi > > I have a problem which is described here > <https://serverfault.com/questions/1079096/mysql-error-1045-access-denied-for-novacontroller>, > Does anyone have any idea to resolve this issue? > > Regards, > Hojii.