ldap_sasl_interactive_bind_s: No such attribute

["tj.murphy@virgin.net" <tj.murphy@virgin.net>]

Hi, 

I know this is a common error, but I don't know how to fix it

  http://www.openldap.org/faq/data/cache/577.html

[root@devpc-tm1 ~]# ldapsearch
ldap_sasl_interactive_bind_s: Unknown authentication method (-6)
        additional info: SASL(-4): no mechanism available: No worthy mechs 
foun

tm> ldapsearch -h localhost -p 389 -x -b "" -s base -LLL supportedSASLMechani 
dn:

I've trawled the web looking for help, but have drawn a blank. How do I 
get OpenLdap to install with sasl mechanisms setup correctly?

Any pointers / help to solve this problem greatly appreciated.

Thanks
Tony

ADDITIONAL INFORMATION
-------------------------------------------------------

OPERATING SYSTEM: Centos 4.3
OPENLDAP : 2.3.20 
CYRUS-SASL: 
[root@devpc-tm1 ~]# ls /usr/lib/sasl
libanonymous.a          libcrammd5.so         libdigestmd5.so.0.0.20  libplain.
a
libanonymous.la         libcrammd5.so.1       libgssapiv2.a           libplain.
la
libanonymous.so         libcrammd5.so.1.0.19  liblogin.a              libplain.
so
libanonymous.so.1       libdigestmd5.a        liblogin.la             libplain.
so.1
libanonymous.so.1.0.17  libdigestmd5.la       liblogin.so             libplain.
so.1.0.16
libcrammd5.a            libdigestmd5.so       liblogin.so.0
libcrammd5.la           libdigestmd5.so.0     liblogin.so.0.0.7


[root@devpc-tm1 var]# ldapsearch -x -s base -b ""
# extended LDIF
#
# LDAPv3
# base <> with scope baseObject
# filter: (objectclass=*)
# requesting: ALL
#

#
dn:
objectClass: top
objectClass: OpenLDAProotDSE

# search result
search: 2
result: 0 Success

# numResponses: 2
# numEntries: 1
[root@devpc-tm1 var]#