Cannot LDAP with win 2016 but LDAP normal with win2012 (active directory)

[SaiiiaS]

I use LDAP + OTP plugin and i have an issue with openvpn-auth-ldap:
OS: ubuntu 18.04
OpenVPN: newest

1. I install openvpn-auth-ldap use apt:

• Cant add option PasswordIsCR to auth-ldap.conf
• Can authen with LDAP (both win 2012 and win2016)

2. I install use git clone https://github.com/threerings/openvpn-auth-ldap.git

• I can authen (LDAP) with win 2012R2 but i cant authen with win 2016

log

Mon Feb 22 13:17:05 2021 us=131562 10.0.10.11:49210 peer info: IV_PLAT=win
Mon Feb 22 13:17:05 2021 us=131572 10.0.10.11:49210 peer info: IV_NCP=2
Mon Feb 22 13:17:05 2021 us=131580 10.0.10.11:49210 peer info: IV_TCPNL=1
Mon Feb 22 13:17:05 2021 us=131587 10.0.10.11:49210 peer info: IV_PROTO=2
Mon Feb 22 13:17:05 2021 us=131595 10.0.10.11:49210 peer info: IV_LZO_STUB=1
Mon Feb 22 13:17:05 2021 us=131603 10.0.10.11:49210 peer info: IV_COMP_STUB=1
Mon Feb 22 13:17:05 2021 us=131610 10.0.10.11:49210 peer info: IV_COMP_STUBv2=1
Mon Feb 22 13:17:05 2021 us=131617 10.0.10.11:49210 peer info: IV_GUI_VER=OCWindows_3.2.2-1455
Mon Feb 22 13:17:05 2021 us=131625 10.0.10.11:49210 peer info: IV_SSO=openurl
Mon Feb 22 13:17:05 2021 us=131632 10.0.10.11:49210 peer info: IV_BS64DL=1
LDAP search failed: Timed out
LDAP user "user" was not found.
Mon Feb 22 13:17:20 2021 us=684657 10.0.10.11:49210 PLUGIN_CALL: POST /usr/local/lib/openvpn-auth-ldap.so/PLUGIN_AUTH_USER_PASS_VERIFY status=1
Mon Feb 22 13:17:20 2021 us=684728 10.0.10.11:49210 PLUGIN_CALL: plugin function PLUGIN_AUTH_USER_PASS_VERIFY failed with status 1: /usr/local/lib/openvpn-auth-ldap.so
OTP-AUTH: authentication succeeded for username 'user', remote 10.0.10.11:49210
Mon Feb 22 13:17:20 2021 us=684887 10.0.10.11:49210 PLUGIN_CALL: POST /usr/lib/openvpn/openvpn-otp.so/PLUGIN_AUTH_USER_PASS_VERIFY status=0
Mon Feb 22 13:17:20 2021 us=684978 10.0.10.11:49210 TLS Auth Error: Auth Username/Password verification failed for peer
Mon Feb 22 13:17:20 2021 us=685025 10.0.10.11:49210 SIGTERM[soft,auth-control-exit] received, client-instance exiting
Mon Feb 22 13:17:20 2021 us=685239 TCP/UDP: Closing socket

#################

####### auth-ldap.conf ######

URL ldap://10.0.10.10
BindDN "CN=Administrator,CN=Users,DC=test,DC=vn"
Password 123@123Aa
Timeout 15
TLSEnable no
FollowReferrals yes


BaseDN "DC=test,DC=vn"
SearchFilter "(sAMAccountName=%u)"
RequireGroup false
PasswordIsCR true

server.conf

reneg-sec 0
plugin /usr/local/lib/openvpn-auth-ldap.so "/etc/openvpn/auth-ldap.conf"
plugin "/usr/lib/openvpn/openvpn-otp.so" "password_is_cr=1 otp_secrets=/etc/ppp/otp-secrets"