<chapter id="upgrading-to-3.0">
<chapterinfo>
	&author.jelmer;
	<pubdate>25 October 2002</pubdate>
</chapterinfo>

<title>Upgrading from Samba-2.x to Samba-3.0.0</title>

<sect1>
<title>Charsets</title>

<para>You might experience problems with special characters 
when communicating with old DOS clients. Codepage 
support has changed in samba 3.0. Read the chapter
<link linkend="unicode">Unicode support</link> for details.
</para>

</sect1>

<sect1>
<title>Obsolete configuration options</title>

<para>
In 3.0, the following configuration options have been removed.
</para>

<simplelist>
<member>printer driver (replaced by new driver procedures) </member>
<member>printer driver file (replaced by new driver procedures)</member>
<member>printer driver location (replaced by new driver procedures)</member>
<member>use rhosts</member>
<member>postscript</member>
<member>client code page (replaced by dos charset)</member>
<member>vfs path</member>
<member>vfs options</member>
</simplelist>
</sect1>

<sect1>
<title>Password Backend</title>

<para>
Effective with the release of samba-3 it is now imperative that the password backend
be correctly defined in smb.conf.
</para>

<para>
Those migrating from samba-2.x with plaintext password support need the following:
<emphasis>passdb backend = guest</emphasis>.
</para>

<para>
Those migrating from samba-2.x with encrypted password support should add to smb.conf
<emphasis>passdb backend = smbpasswd, guest</emphasis>.
</para>

<para>
LDAP using Samba-2.x systems can continue to operate with the following entry
<emphasis>passdb backend = ldapsam_compat, guest</emphasis>.
</para>

</sect1>

</chapter>