Hello I'm having the same error mentioned by other users.
High Severity Alerts show this message:
An exception occurred.Please check the AAD.log file for further details.
The message in AAD.log is this:
18-feb-2010|14:35:24.135|ERROR|AAD|TP-Processor3|OGSInteractor|getOGSGroupMembers|.|com.cisco.nm.xms.ctm.common.CTMException: URN_NOT_FOUND : urn "ogs_server_urn" : Not found !!
Attached you can find pdshow output
I have this problem too.