OpenSuse 11.3 nfsv4: client to nfs4 server (OpsenSuse11.0) with kerberos does not work!

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http://forums.opensuse.org – After installing OpenSuse 11.3 on a client I am trying to mount the home-share via nfsv4/krb5 on the OpenSuse 11.0 server. Userlogin via ldap/krb5 works fine. Kerberos login via kinit works also. Only mounting the share with sec=krb5 gives the error message mount.nfs4: access denied by server while mounting server.domain:/home I get a machine credential Mounting without sec=krb5 works fine. GSS/krb5 works fine with all other clients under OpenSuse 11.0, 11.1 and 11.2. Is there a incompatibility between krb5 on 11.3 and 11.0? Ha anyone experien (Distributions)