Hi, I hope you guys can help... We've currently go an AD domain with its Domain Functional Level set to Windows Server 2003. I've configured samba using the following software versions... samba-3.0.21 openldap-2.3.11 db-4.4.16 cyrus-sasl-2.1.21 flex-2.5.31 autoconf-2.59 openssl-0.9.7 glibiconv-1.9.1 gcc-3.4.2 krb5-1.4.3 m4-1.4.4 bison-2.1 automake-1.9 libtool-1.5.22 However when I try to run the net ads join -U command I get [2006/01/06 14:01:38, 0] utils/net_ads.c:ads_startup(191) ads_connect: Strong(er) authentication required My configuration works fine on different Windows 2000 AD domain we have here, I've tried changing the Security Policy: Domain Controller: LDAP server signing requirements to "None" as recommended on a couple of websites and it still doesn't work. Any ideas? Thanks Rich. This e-mail and any attachment is for authorised use by the intended recipient(s) only. It may contain proprietary material, confidential information and/or be subject to legal privilege. It should not be copied, disclosed to, retained or used by, any other party. If you are not an intended recipient then please promptly delete this e-mail and any attachment and all copies and inform the sender. Thank you.