I think I've come across this same problem, although I'm migrating from
3.0.33 (CentOS5) to 3.6 (CentOS6).
I've migrated the domain controller from 3.0.33 to 3.6 first. I dumped
and restored the passwd, secrets and schannel_store tdb files from 3.0
to 3.6, and also migrated the linux accounts
We recently upgraded our PDC from Debian 4 to Debian 5. That entailed
an upgrade of Samba from 3.0.24 to 3.2.5. Since the upgrade we've had
a very specific problem connecting to shares on a commercial NAS
running Samba 3.0.34.
The problem happens when users try to connect to shares from