Event ID - 2028

Event Id2028
SourceMSExchangeIS Mailbox Store
DescriptionThe delivery of a message sent by public folder has failed. To: Cc: The non-delivery report has been deleted.
Event Information According to Microsoft :
Cause :

This error indicates that a non-delivery report (NDR) was destined to a public folder and the NDR is being thrown away. This error could be caused by one of the following
1.Sending on behalf of a public folder
2.Sending copies of Delivery Status Notifications (DSNs) to a public folder
3.Public folder replication problems
Resolution :
Review the event log for related entries and verify the folder settings. The event contains information about which folder is having problems. Check replication status and DSN settings.
Reference LinksEvent id 2028 from source MSExchangeIS Mailbox Store

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