Migration Manager for PSTs may not be able to migrate certain locked PST files. The MigrationAgent.wlog file may have an entry of the form:
2015-03-23 14:47:00,711 [17] ERROR InvokeMigrationTask - Failed to copy PST File locally with memory mapping. Exception thrown: '', Exit Code: -1.
Extended logging will produce the following sequence:
2015-03-25 13:44:59,877 [3] DEBUG InvokeMigrationTask - Memory Map Exe StdOut: 'Finished cleaning up. Returning result code -1'
2015-03-25 13:44:59,877 [3] DEBUG InvokeMigrationTask - Memory Map Exe StdOut: 'Finished copying with result code: -1'
2015-03-25 13:45:02,747 [24] ERROR InvokeMigrationTask - Failed to copy PST File locally with memory mapping. Exception thrown: '', Exit Code: -1.
