| Event Id | 1136 |
| Source | Active Directory |
| Description | An index on the attribute %1 (%2) could not be created because the Windows Directory Service database (NTDS) failed with error %3. A schema cache update will be done again after 5 minutes to retry the index creation. |
| Event Information | 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. No user action is required. |
| Reference Links | Monitoring AD Changes:
Article More Information Event id 1136 from source Active Directory |
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