1. A method of error reporting in a computer network, the method comprising: monitoring a plurality of computing devices, one or more of which is configured to perform a data migration operation that migrates data from at a first computing device to a second computing device; detecting, with one or more computer processors, an error associated with a failed performance of the data migration operation; receiving, by a remote monitor agent that does not possess access privileges to the migrated data on the computing devices, diagnostic information from one or more of the plurality of computing devices, wherein the diagnostic information comprises an identifier that identifies the data migration operation and log files associated with the failed data migration operation; consulting an index to determine error response instructions based at least in part on the diagnostic information and information contained in the index; and providing the error response instructions to a storage manager.