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: 1136 Source: ActiveDirectory

Level
Description
An index on the attribute <attribute> (<attribute>) could not be created because the Windows Directory Service database (NTDS) failed with error <error code>. A schema cache update will be done again after 5 minutes to retry the index creation.
Comments
 
As per T756561, the first step to attempt to fix this problem is to restart the computer. If the error persists, you should compact and restore the database, and undo the index change. See the article for details.
As per Microsoft: "Active Directory was unable to create an index for the attribute specified in the message. A schema cache update will occur five minutes after this event is logged and will attempt to create an index for the attribute. A schema cache update will continue every five minutes until an index is created for the attribute". See MSW2KDB for more details.

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 www.eventid.net.

Read more...

 

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.

Read more...