Event ID - 1001

Event Id1001
SourceMSExchange Messaging Policies
DescriptionAn error occurred while loading the configuration for the Journaling agent. The configuration may be corrupt, or the Active Directory directory service may be down or unreachable. The last known good configuration will be used, and the Journaling agent will attempt to read the configuration again later.
Event InformationAccording to Microsoft :
Cause :
This Error event indicates that configuration information for the Journaling agent is invalid or corrupted. The configuration information for the Journaling agent is stored in Active Directory
Resolution:
To resolve this error, follow one or more of these steps:
1.Make sure that Exchange server that logged this event can communicate with one or more Active Directory servers available in the organization.
2.Increase the diagnostic logging level on theJournaling counter of the MSExchange Messaging Policiesperformance object. You can increase logging by running the following Exchange Management Shell command:Set-EventLogLevel "MSExchange Messaging Policies\Journaling" -Level High
Reference LinksEvent ID 1001 From Source MSExchange Messaging Policies

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