The following log files are specific to PingDataSync, and contain details about the synchronization processes:

Sync Log
Provides information about the synchronization operations that occur within the server. Specifically, the Sync Log records all changes applied, detected or failed; dropped operations that were not synchronized; changes dropped because of being out of scope, or no changes needed for synchronization. The log also shows the entries that were involved in the synchronization process.
Sync Failed Operations Log
Provides a list of synchronization operations that have failed.
Resync Log
Provides summaries or details of synchronized entries and any missing entries in the Sync Destination.
Resync Error Log
Provides error information for resync operations.