How to disable password complexity on ESXi Server 4.0

• Logon to the ESX Server through a telnet session or through console
• Open the file /etc/pam.d/common-password
• Just add 'enforce=none' at the end of first line & save it.
• No restart required for the ESX Server

#%PAM-1.0
password requisite /lib/security/$ISA/pam_passwdqc.so retry=3 min=8,8,8,7,6 enforce=none
password sufficient /lib/security/$ISA/pam_unix.so use_authtok md5 shadow
password required /lib/security/$ISA/pam_deny.so