This issue happens on a 2008 R2 Server or Windows 7 machine where the backup is trying to access a path with more than 260 chars. The hotfix at ME982502 resolves this issue.
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.