binddn=”cn=Mananger,dc=example,dc=com”
Did you cut and paste that from Word into slapd.conf? There's some weird high characters there, and I doubt they belong there. Try again using a real text editor.
Anyway, you can try at the command line:
slurpd$ ldapwhoami -H ldap://10.0.11.6/ -w testing -D "cn=Manager,dc=example,dc=com"
to make sure that your credentials and DN are OK.