Signing
simple bind over insecure channel
# ldapsearch -xLLL -H ldap://ad1.win2016.test -b 'DC=win2016,DC=test' -D 'CN=Administrator,CN=Users,DC=win2016,DC=test' -W samaccountname=Administrator DN
Enter LDAP Password:
ldap_bind: Strong(er) authentication required (8)
additional info: 00002028: LdapErr: DSID-0C090256, comment: The server requires binds to turn on integrity checking if SSL\TLS are not already active on the connection, data 0, v3839