Event ID - 8276

Event Id8276
DescriptionADC could not replicate <object name> to the target directory because this CA is nota primary connection agreement.<connection agreement name>
Event InformationAccording to Microsoft:
This event indicates that the connection agreement could not find a match in the target directory for the source object and, therefore, tried to create an object in the target directory. However, the connection agreement could not create the object because it was not marked as Primary. If a connection agreement is not marked as a Primary, then the ADC (Active Directory Connector) will not create new objects.
If you would want the connection agreement to be able to actually create objects in the target directory, change the connection agreement to be a Primary Connection Agreement. Understand the ramifications of this step before taking the step. If you have multiple connection agreements that are marked Primary (for a Connected Exchange Organization or Connected Windows Domain), you run the risk of having duplicate objects created. If you are sure that you DO NOT want the connection agreement to be marked Primary, then you can ignore this warning event.
Reference LinksExchange (MSExchangeADDXA)

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