Event ID - 21147

Event Id21147
SourceISA Server RPC Filter
DescriptionMicrosoft ISA Server SMTP Message Screener failed to start. Reason: The SMTP Message Screener could not read the registry configuration (error code %1).
Event InformationAccording to Microsoft :
CAUSE :
The ISA Server SMTP Message Screener could not read the registry configuration

SOLUTION :
Verify that the Message Screener filter has access to the registry by looking at the security event log and verify that the registry is configured correctly.
Reference LinksEvent id : 21147 of Source : ISA Server RPC Filter

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