Authenticating Windows XP & 7 Against Kerberos Help-Plea!

[Tom Medhurst]

Hi Guys,
I'm trying to get 2 Windows Clients (1x Windows XP Pro SP3, 1x Windows 7
Enterprise) configured so they logon via Kerberos 5-1.8 (Arch Linux Server,
Kerberos 5 build from source), and I'm soooo close I can smell it! but...

When I login I get the error message:

*"The username or password is incorrect"* on the Windows client.

The log file krb5kdc.log shows the following for each attempt:

*"dc1 krb5kdc[5372](info): AS_REQ (6 etypes {18 17 23 24 - 135 3}) 10.0.0.3:
ISSUE: authtime 1270166763, etypes {rep=23 tkt=16 ses=23}, tom at TNET.LOC for
krbtgt/TNET.LOC at TNET.LOC
dc1 krb5kdc[5372](info): TGS_REQ (5 etypes {18 17 23 24 - 135}) 10.0.0.3:
ISSUE: authtime 1270166763, etypes {rep=23 tkt16 ses23}, tom at TNET.LOC for
host/wdesk3.tnet.loc at TNET.LOC"*

Is there an error hidden somewhere in this krb5kdc.log output? Or should I
be looking elsewhere?
I have done the following:

   1. Synced the time with a ntp server (on the same box) using *w32tm
   /config ...
   *
   2. Added this machine to the list of hosts (via *
   /usr/local/sbin/kadmin.local*):
      1. kadmin.local> ank -e rc4-hmac:normal -policy host/wdesk3.tnet.loc
      2. kadmin.local> ktadd -k /usr/local/var/krb5kdc/kadm5.keytab
   3. Added the Windows machine to the realm, added the kdc server, and
   mapped the users:
      1. > ksetup /addkdc TNET.LOC dc1.tnet.loc
      2. > ksetup /addkpasswd TNET.LOC dc1.tnet.loc
      3. > ksetup /setrealm TNET.LOC
      4. REBOOT WINDOWS
      5. > ksetup /mapuser * *

I know that the Windows box is trying as everytime I attempt to login I get
the same messages in the server's krb5kdc.log file.
Can anybody help me figure out what I've missed?

Many Thanks,
Tom