This sounds like a known bug. Try using the RHEL 5.7 rpm. I ran into this same bug and the 5.7 package fixed it

Sent from my Samsung Galaxy Tablet 10.1

On Aug 8, 2011 5:16 PM, "Michael Gliwinski" <Michael.Gliwinski@henderson-group.com> wrote:
> On Monday 08 Aug 2011 15:51:52 Stephen Gallagher wrote:
>> On Mon, 2011-08-08 at 15:50 +0100, Michael Gliwinski wrote:
>> > Is it safe to use ldbmodify / ldbdel to modify the LDB cache in
>> > /var/lib/sssd/db/ ? Does the daemon need to be stopped?
>>
>> It should be safe to do even while the daemon is running.
>>
> ...
>> > subset or none of memberuid values). I wanted to expire an entry by
>> > either deleting it or resetting dataExpireTimestamp.
>>
>> SSSD 1.6.0 now includes a tool for this: sss_cache. It can expire one
>> entry, all entries of a type (users, groups, netgroups) or all entries
>> of all types.
>
> Unfortunatelly I'm still on 1.2 (EL 5.6), but that's going to be very useful.
> Thanks!
>
>
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> Michael Gliwinski
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