sudo mount -t cifs -o multiuser,cruid=1395409773,vers=3.0,sec=krb5 //fileserver2.mba.ac.uk/Z Drive /mnt

Dec 14 10:58:36 L21SC646 cifs.upcall: key description: cifs.spnego;0;0;39010000;ver=0x2;host=fileserver2.mba.ac.uk;ip4=192.171.193.80;sec=krb5;uid=0x0;creduid=0x532c436d;user=root;pid=0x148d
Dec 14 10:58:36 L21SC646 cifs.upcall: ver=2
Dec 14 10:58:36 L21SC646 cifs.upcall: host=fileserver2.mba.ac.uk
Dec 14 10:58:36 L21SC646 cifs.upcall: ip=192.171.193.80
Dec 14 10:58:36 L21SC646 cifs.upcall: sec=1
Dec 14 10:58:36 L21SC646 cifs.upcall: uid=0
Dec 14 10:58:36 L21SC646 cifs.upcall: creduid=1395409773
Dec 14 10:58:36 L21SC646 cifs.upcall: user=root
Dec 14 10:58:36 L21SC646 cifs.upcall: pid=5261
Dec 14 10:58:36 L21SC646 cifs.upcall: get_cachename_from_process_env: pathname=/proc/5261/environ
Dec 14 10:58:36 L21SC646 cifs.upcall: get_cachename_from_process_env: cachename = FILE:/tmp/krb5cc_1395409773_yINoep
Dec 14 10:58:36 L21SC646 cifs.upcall: get_existing_cc: default ccache is FILE:/tmp/krb5cc_1395409773_yINoep
Dec 14 10:58:36 L21SC646 cifs.upcall: handle_krb5_mech: getting service ticket for fileserver2.mba.ac.uk
Dec 14 10:58:36 L21SC646 cifs.upcall: handle_krb5_mech: obtained service ticket
Dec 14 10:58:36 L21SC646 cifs.upcall: Exit status 0

Dec 14 10:58:53 L21SC646 automount[4910]: attempting to mount entry /cifs/Z
Dec 14 10:58:53 L21SC646 cifs.upcall: key description: cifs.spnego;0;0;39010000;ver=0x2;host=fileserver2.mba.ac.uk;ip4=192.171.193.80;sec=krb5;uid=0x0;creduid=0x532c436d;user=root;pid=0x149f
Dec 14 10:58:53 L21SC646 cifs.upcall: ver=2
Dec 14 10:58:53 L21SC646 cifs.upcall: host=fileserver2.mba.ac.uk
Dec 14 10:58:53 L21SC646 cifs.upcall: ip=192.171.193.80
Dec 14 10:58:53 L21SC646 cifs.upcall: sec=1
Dec 14 10:58:53 L21SC646 cifs.upcall: uid=0
Dec 14 10:58:53 L21SC646 cifs.upcall: creduid=1395409773
Dec 14 10:58:53 L21SC646 cifs.upcall: user=root
Dec 14 10:58:53 L21SC646 cifs.upcall: pid=5279
Dec 14 10:58:53 L21SC646 cifs.upcall: get_cachename_from_process_env: pathname=/proc/5279/environ
Dec 14 10:58:53 L21SC646 cifs.upcall: get_existing_cc: default ccache is FILE:/tmp/krb5cc_1395409773
Dec 14 10:58:53 L21SC646 cifs.upcall: get_tgt_time: unable to get principal
Dec 14 10:58:53 L21SC646 cifs.upcall: krb5_get_init_creds_keytab: -1765328378
Dec 14 10:58:53 L21SC646 cifs.upcall: Exit status 1
Dec 14 10:58:53 L21SC646 automount[4910]: >> mount error(126): Required key not available
Dec 14 10:58:53 L21SC646 automount[4910]: >> Refer to the mount.cifs(8) manual page (e.g. man mount.cifs)
Dec 14 10:58:53 L21SC646 automount[4910]: mount(generic): failed to mount //fileserver2.mba.ac.uk/Z Drive (type cifs) on /cifs/Z
Dec 14 10:58:53 L21SC646 automount[4910]: failed to mount /cifs/Z
Dec 14 10:58:53 L21SC646 automount[4910]: re-reading map for /cifs
Dec 14 10:58:53 L21SC646 kernel: [ 4190.521151] CIFS VFS: Send error in SessSetup = -126
Dec 14 10:58:53 L21SC646 kernel: [ 4190.521164] CIFS VFS: cifs_mount failed w/return code = -126

get_cachename_from_process_env: cachename = FILE:/tmp/krb5cc_1395409773_yINoep

get_existing_cc: default ccache is FILE:/tmp/krb5cc_1395409773