Network shares stopped working in BackupAssist? It’s just a matter of time.

We often get support queries where the PC clock has been the cause of an issue but never have I seen a few minutes of drift make such a difference. This one isn't actually specific to BackupAssist but it did rear its head with a customer who happened to be storing their backups on a local NAS. The backup job in question was a 'file protection' one, so the simple backup of files to a local network share as a destination. The job had run fine for many days without errors but suddenly overnight the job would fail with an error like the one below:-