| Event Id | 21016 |
| Source | DNS Intrusion Detection Filter |
| Description | The daily summaries could not be summarized into a monthly summary for month "%1". Use the source location %2 to report the failure. |
| Event Information | According to Microsoft : Cause : This failure may occur for one of the following reasons: The log summary configuration is invalid.There is not enough memory available on the ISA Server computer for the ISA Server Report Generator.The data in the Configuration Storage server is corrupted. Resolution : Review other alerts to determine the cause of the problem. Check the validity of the log summary configuration.Close other programs that are running. Use the Task Manager to check programs and processes that are using large amounts of system resources.Try to restore the most recent configuration backup. This will resolve storage corruption issues. |
| Reference Links | Event ID 21015 from Source DNS Intrusion Detection Filter |
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