Event ID - 3052

Event Id3052
SourceMicrosoft Search
DescriptionThe current activity on project <IndexProjectName> has stopped. However, no event appears that indicates why the index population operation did not succeed.
Event InformationCAUSE:
This problem occurs if you change the primary Simple Mail Transfer Protocol (SMTP) address in the default recipient policy in Exchange 2003.
A full-text index of a public information store in Exchange 2003 depends on the default recipient policy SMTP address. If you modify the primary SMTP address for the default recipient policy, the start address for that full-text index is no longer correct.

Following Microsoft article will give more information about resolution.
Reference LinksThe operation is unsuccessful when you run a population process on a public folder full-text index in Exchange Server 2003

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