I received this error on a W2K3 DC with Exchange. OWA did not respond (error 404). I installed ASP.Net version 2, did an "iisreset /restart" and the problem was fixed.
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.