Shared group contacts no longer showing up (using LDAP)

About 10am yesterday I received several complaints about people not being able to message each other and others not showing up in each others contact lists. I have made no changes to the openfire configs, and have only added and removed some users from ldap (which happens on a regular basis). I notice a lot of these errors in the info.log file coinciding with the time the complaints started coming:

2008.07.03 10:38:19 Packet sent to unreachable address

<iq type=“get” id=“purple4eaf02c7” to="user1@domain.com/Adium" from="user2@domain.com/Adium">

<query xmlns=“jabber:iq:last”/>

</iq>

(I changed the to and from names)

As far as group sharing I see 24 sessions in the web-admin but I have only 5 people in my contact list. After a restart of openfire the first few people that re-login show up in my contact list, after another minute or so a couple more show up, then nothing…

I also noticed that a new version of Adium (Mac IM client) came out yesterday and many people in the office installed that.

Has anyone else seen similiar issues lately? Is the new Adium client messing around with Openfire, something else?

Thanks!