Event ID - 1043

Event Id1043
SourceMSExchangeDS
DescriptionThe knowledge consistency checker has detected that site /O=Organization/OU=Site can be replicated to this directory service from more than one source.
Event InformationAccording to Microsoft:
CAUSE:

This issue can occur if the directory replication connectors are set up in a configuration that creates a message loop between the directory replication servers within the Exchange Server organization. The Knowledge Consistency Checker detects duplicated knowledge of Exchange Servers through the duplicate directory replication connectors.
RESOLUTION:
To resolve this issue, remove one of the directory replication connectors that creates the loop between the sites.
Reference LinksXADM: Error Message: Event ID 1043 Source MSExchangeDS

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