Synchronization attempts of Leads or Contacts could fail. The Alerts tab in Manage CRM provides you with the insight to the record failures.

Complete the following steps to view errors and alerts for the CRM synchronization activity.

1. In the Organization Settings, go to CRM and Scoring Settings> Edit > Manage CRM > Alerts.
2. Select Sync Directory and the Date Range.
3. Enter the search criteria in the Search in Records
4. Click Filter to find records and get a better view for individual alter records.