There are [[https://logstash.wikimedia.org/app/kibana#/dashboard/default?_g=(refreshInterval:(display:Off,pause:!f,value:0),time:(from:now-90d,mode:quick,to:now))&_a=(filters:!(),options:(darkTheme:!f),panels:!((col:1,id:Dashboards,panelIndex:1,row:1,size_x:12,size_y:1,type:visualization),(col:1,id:Events-Over-Time,panelIndex:2,row:2,size_x:12,size_y:2,type:visualization),(col:1,id:Event-Types,panelIndex:3,row:4,size_x:9,size_y:2,type:visualization),(col:10,id:Event-Level,panelIndex:4,row:4,size_x:3,size_y:2,type:visualization),(col:1,columns:!(type,level,wiki,host,message),id:Default-Events-List,panelIndex:5,row:6,size_x:12,size_y:25,sort:!('@timestamp',desc),type:search)),query:(query_string:(analyze_wildcard:!t,query:'message:%22exists%20locally%20but%20is%20not%20attached%22')),title:default,uiState:(P-2:(vis:(legendOpen:!f)),P-3:(vis:(legendOpen:!f)),P-4:(vis:(legendOpen:!f))))|Apparently]] there are quite a few unquite a few]] `User 'NAME' exists locally but is not attached local accounts,.` log messages (currently about 1-2 per hour). due to thThe message issue that https://gerrit.wikimedia.org/r/#/c/300686/ intends to fix. from T137551; the usernames are all properly attached though (which means the user impact is small, Once that patch is deployed they should be cleaned upbut it probably breaks the initial central autologin and users have to log in manually on another wiki one more time).