This option sets the command that is called to apply GPO policies. The samba-gpupdate script applies System Access and Kerberos Policies to the KDC. System Access policies set minPwdAge, maxPwdAge, minPwdLength, and pwdProperties in the samdb. Kerberos Policies set kdc:service ticket lifetime, kdc:user ticket lifetime, and kdc:renewal lifetime in smb.conf. &pathconfig.SCRIPTSBINDIR;/samba-gpupdate /usr/local/sbin/gpoupdate