vsm.log
file, you see entries similar to:2017-05-29 16:05:02.285 NZST INFO DefaultSSOClientKeepAliveThread VcConnection$VimClient:1240 - Connecting to VC with versionClass :com.vmware.vim.binding.vim.version.internal.version9
2017-05-29 16:05:02.286 NZST INFO DefaultSSOClientKeepAliveThread VcConnection$VimClient:1246 - Successfully created vimclient for uri:https://<VC IP>/sdk/vimService
2017-05-29 16:05:02.349 NZST INFO systemEventsPool-1 VcConnection:637 - Session info : Session key [XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXb8319] for User [domain\NetappUser]]
This issue occurs if the account like domain\NetappUser was used previously with NSX manager and later changed to [email protected].
To resolve the issue, follow either of the options: