PLESK_ERROR: Error: WebServerManager::addVhost() failed:
websrvmng failed: A specified logon session does not exist. It may already have been terminated. (Exception from HRESULT: 0x80070520)
In Microsoft.Web.Administration module
Exception type: System.Runtime.InteropServices.COMException
..........

PLESK_ERROR: Error: Unable to set the CA certificate: Unable to put certificate file: Unable to update certificate in Web Server:
websrvmng failed: A specified logon session does not exist. It may already have been terminated. (Exception from HRESULT: 0x80070520)
In Microsoft.Web.Administration module
Exception type: System.Runtime.InteropServices.COMException
..........
at reconfigureVHosts()(WebServerManager::reconfigureVHosts line 334)
at execute console command --reconfigure-vhosts(vconsoleapp::start line 122) at execute "C:\Program Files (x86)\Plesk\admin\bin64\websrvmng" --reconfigure-vhosts "--config=tmp2B47.tmp"(vconsoleapp::run line 139) (Error code 1)