The obvious whipping boy when one or more emails fail to migrate is the migration software being used, but many problems are caused by situations beyond our control.
Here are our top 7 reasons why an email might fail to migrate:1. Corrupt data. Given that the first email archives were implemented well over a decade ago, some customer archive implementations have seen a ‘lot of action’. Multiple patches, dodgy upgrades, broken disks, badly executed backups and restores, and more. Corrupt data can't be accessed via users of the archive itself, let alone by the archive migration software. In many cases we can’t do much about this, but we have one or two tricks up our sleeves depending on the archive type.
2. Broken links (i.e. the source archive database doesn’t point to place where data actually is). In this case we may be able to work directly with the archive store, by-passing the database altogether and building a fresh view of where everything is.