Unable to upgrade from samba 3 to samba 4 using upgrade_from_s3. CentOS 5.4 x86_64 samba Version 4.0.0alpha12-GIT-ef83c97 samba3-3.4.4-41.el5 from sernet [root at bdc source4]# ./setup/upgrade_from_s3 --targetdir=/etc/samba4 /etc/samba /etc/samba/smb.conf Reading Samba3 databases and smb.conf Provisioning Traceback (most recent call last): File "./setup/upgrade_from_s3", line 84, in ? targetdir=opts.targetdir) File "bin/python/samba/upgrade.py", line 415, in upgrade_provision serverrole=serverrole) File "bin/python/samba/provision.py", line 1112, in provision domainsid = security.dom_sid(domainsid) TypeError: argument 1 must be string without null bytes, not str