Error Message

Unable to export because no email messages were found for any custodians.

There is a limit of 1 million messages on the search service, and because there are more than 1 million messages the service fails to export any items.

Narrow down the search terms so that less than 1 million items are returned in the search before exporting.

Export by custodian in Arctera eDiscovery fails with error "Unable to export because no email messages were found for any custodians", however there are more than 1 million messages.