On 2013-11-12 21:39, Simo Sorce wrote:
> On Tue, 2013-11-12 at 21:11 +0100, Nicklas Björk wrote:
>> In our evironment we have very limited amount of shared virtual Windows
>> 7 machines. We haven't really seen any value in setting up an AD domain
>> for them, but have been relying on pure Kerberos authentication using
>> the ksetup procedure
>> (http://www.freeipa.org/page/Windows_authentication_against_FreeIPA).
>>
>> Recently the LDAP in our FreeIPA 3.0 was updated with the task to add
>> SIDs to all old user accounts (the newer ones would already have a SID),
>> but that made the Kerberos logon stop working for remote desktop
>> connections. Logging on to the console using the same Kerberos
>> credentials would still work... This seems to be directly related to the
>> addition of SIDs in LDAP, as removing the object class ipantuserattrs
>> and the SID would get it back in order again.
>>
>> Are there any known tricks that could be applied to the Windows machines
>> (or to FreeIPA for that matter) that would make this work again?
> 
> It's odd that adding the SIDs make it not work, I remember reports of
> people being happy to see it work better.
> 
> We do have a way to disable setting the MS-PAC on tickets, but I fear it
> is only for TGS requests and not for the TGT.
> 
> Have you added SIDs because you are using a trust relationship with an
> AD domain, and you just wish not to use them for these few Windows
> machines ?
> 
> Simo.
> 

Rather than the SIDs, it was the NT-hash I was looking for, to be used
in a Radius implementation. The task in LDAP to make the update also
added SIDs to all user accounts.

The mentioned few Windows machines are the only ones here and there is
also no AD available. At an earlier stage I may have tried making a
trust using the ipa-adtrust-install against a test-AD that was available
for some time, but it's long gone and there are currently no configured
trusts.


/Nicklas

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