Monitor unlimited number of servers
Filter log events
Create email and web-based reports

Direct access to Microsoft articles
Customized keywords for major search engines
Access to premium content

Event ID: 258 Source: MSExchangeDSExp

An error occurred while attempting to look up the Assoc-NT-Account value for object <account name>
What is "Assoc-NT-Account"? "ADSI has a Lightweight Directory Access Protocol (LDAP) provider that can be used to retrieve information from the Exchange directory. The mailbox attribute which stores the Primary Windows NT account has an LDAP name of Assoc-NT-Account. The Assoc-NT-Account attribute does not contain the security account's textual name, but rather a binary string representation of the SID." See ME251390 - "HOW TO: Find Exchange Recipients Associated With an NT Account"

Windows Event Log Analysis Splunk App

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



Cisco ASA Log Analyzer Splunk App

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.