Event ID - 21017

Event Id21017
SourceMicrosoft ISA Server Job Scheduler
DescriptionThe daily summaries could not be deleted. Use the source location %1 to report the failure.
Event InformationAccording to Microsoft :
CAUSE :
This failure may occur for one of the following reasons: The log summary configuration is invalid.The log summary file can not be accessed.

SOLUTION :
Check the validity of the log summary configuration.Try to manually delete the log summary file.
Reference LinksEvent ID: 21017 Of Source ID:Microsoft ISA Server Job Scheduler

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