Cisco unified presence error

Hi, first at all i want to say that this is the first time that i have to troubleshoot a cisco unified presence error,
ok, there is a customer experiencing problems with his cisco unified personal communicators, none of the appear registered on the call manager
I tried restarting the services in the unified presence server and no result.
I used rtmt and i found out that last night Sync Agent App stopped
: Jul 20 06:31:10.982 UTC : %CCM_SERVICEMANAGER-GENERIC-6-ServiceStopped: Service stopped. Service Name:Cisco UP Sync Agent App ID:Cisco Service Manager Cluster ID: Node ID:CUP-SKARA
and after that is trying to log in somewhere with no result
: failed dev=ttyS0, pid=18620, login time out
I belive that is trying to log in with and active directory.
where can i found where is trying to log in, or where is asking me for a unser or password to log in?
thanks in advance.
Cesar

SyncAgent needs to be running to synchronize user information from CUCM.
User ID and password would be the CUCM username and password.  You may test it with "User Options" page.
For details about "how things work" and troubleshooting, please see: http://www.lulu.com/content/5552336
Michael
http://htluo.blogspot.com

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