Event ID - 21124

Event Id21124
SourceMicrosoft ISA Server Job Scheduler
DescriptionFailed to update computer name or FQDN.
Event InformationAccording to Microsoft :
CAUSE :
This event occurs when ISA Server cannot access the Configuration Storage Server specified at startup.

SOLUTION :
If the name and the FQDN of the Configuration Storage server were not changed, you can ignore this event. If you have changed the FQDN of the Configuration Storage Server, restart the ISA Server computer while it has access to Configuration Storage Server.
Reference LinksEvent ID: 21124 Of Source ID:Microsoft ISA Server Job Scheduler

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