You can see the error message "An attempt was made to logon, but the network logon service was not started" on the screen when you try to do either of the following:
Run services.msc in the target computer to open Services Manager. Check the status of netlogon service here. If the service is not running execute the following commands in the target computer one by one,
Download this text file, rename it as a bat file and run this bat file to execute the command automatically.
Keywords: Login failed, network logon services.