Windows DCでは、イベントID 3039（AD LDAP接続のチャネルバインドを試行）が有効になっていることが報告されます

Vserver: svm1

               Kerberos Clock Skew:           - minutes
               Kerberos Ticket Age:           - hours
              Kerberos Renewal Age:           - days
              Kerberos KDC Timeout:           - seconds
               Is Signing Required:           -
         Is Password Complexity Required:           -
      Use start_tls for AD LDAP connection:         false
            Is AES Encryption Enabled:         false
             LM Compatibility Level:  lm-ntlm-ntlmv2-krb
           Is SMB Encryption Required:           -
             Client Session Security:         none
         SMB1 Enabled for DC Connections:         false
         SMB2 Enabled for DC Connections:    system-default
  LDAP Referral Enabled For AD LDAP connections:         false
        Use LDAPS for AD LDAP connection:         true
    Encryption is required for DC Connections:         false
  AES session key enabled for NetLogon channel:         false
  Try Channel Binding For AD LDAP Connections:         true