NET START NET LOGON starts the Windows Net Logon service, which verifies logon requests and controls replication of the user ...

NET START NET LOGON starts the Windows Net Logon service, which verifies logon requests and controls replication of the user  accounts database. Service names with two words, such as  Net Logon, must be enclosed in quotation marks (") when typed at the command prompt. This service can also be started by typing NET START NETLOGON.  NET HELP command | MORE displays Help one screen at a time.