i never found a solution for this, i got lucky with one of these options: if you have old snapshots use it/ do cold reboot/ power cycle, to see if it works. if it works, my advice is to upgrade to 20.6.3, it is much stable.
Anyone has solution for this problem?? vManage login: fail: klogd: can't change to service directory: No such file or directoryFAILED: cdb_connect(cs, st, addr, addrlen), Error: Bad protocol usage or unexpected retval (21): Access check failed, in fu...
How did nms application-server diagnostics help solve the issue? it just tries to ping port's(8443 and 8080) and see if there are open or not. in my case connection to 127.0.0.1:8080 is getting refused.
