Good evening gentlemen,
I haven't solved this issue but have been able to perform a workaround which I am sure is documented elsewhere.
I have a list of users and their (plain text) passwords on my own system. Using this list I was able to perform a mass upload from the administrator menu and select the options to update passwords and add any missing users.
Not elegant and I realise if people have altered their password since I set up their accounts then these won't be able to log in. I suspect this will be a minimal number of people.
It isn't the way I would have liked to have done it because I like to understand why something is not working (then apply a fix) but due to time constraints I needed to get things running again.
Thanks for your comments and support gents.
Security and privacy
Rebuild from backup and now users cannot log in - salt issue?
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