Migrator for Notes to Exchange - version 4.15.1.297

Hi

When trying to migrate from Notes to o365 we have had a few successes first but now each time we run the Quest tool it removes the cached credentials for the outlook profile and we get an error of "8874-94-20-8004011d Unable to open the mapi profile's default mailbox"

We can see that the credentials are removed from credential manager in control panel

Can anyone help please

thanks

John