Hi vbe,

I forgot to mention that I have already files before ldap in the nsswitch file:

/etc/nsswitch.conf
...
passwd: files ldap
shadow: files ldap
group: files ldap
...
ethers: files
netmasks: files
networks: files
protocols: files ldap
rpc: files
services: files

netgroup: files ldap

publickey: nisplus

automount: files ldap
aliases: files nisplus