As per Microsoft: "While searching for a Global Catalog, Active Directory Connector (ADC) found a domain controller to which it could not bind due to credential problems". See MSEX2K3DB for more details.
Build a great reporting interface using Splunk, one of the leaders in the Security Information and Event Management (SIEM) field, linking the collected Windows events to www.eventid.net.
Obtain enhanced visibility into Cisco ASA firewall logs using the free Firegen for Cisco ASA Splunk App. Take advantage of dashboards built to optimize the threat analysis process.