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Windows login failing, with no errors?

daemon@ATHENA.MIT.EDU (Tom Medhurst)
Fri Apr 2 15:13:38 2010

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Date: Fri, 2 Apr 2010 20:13:33 +0100
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From: Tom Medhurst <tom.medhurst@googlemail.com>
To: "kerberos@mit.edu" <kerberos@mit.edu>
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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@TNET.LOC for krbtgt/TNET.LOC@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@TNET.LOC for host/wdesk3.tnet.loc@TNET.LOC"

Is there an error hidden somewhere in this krb5kdc.log output? Or
should I be looking elsewhere?
I have done the following:
Synced the time with a ntp server (on the same box) using w32tm /config ...
Added this machine to the list of hosts (via /usr/local/sbin/kadmin.local):
kadmin.local> ank -e rc4-hmac:normal -policy host/wdesk3.tnet.loc
kadmin.local> ktadd -k /usr/local/var/krb5kdc/kadm5.keytab
Added the Windows machine to the realm, added the kdc server, and
mapped the users:
> ksetup /addkdc TNET.LOC dc1.tnet.loc
> ksetup /addkpasswd TNET.LOC dc1.tnet.loc
> ksetup /setrealm TNET.LOC
REBOOT WINDOWS
> 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
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