windows can not access samba share - username case senitivity issue [xenial]

[Tom H]

On Sat, Feb 6, 2016 at 1:17 AM, Doug Smythies <dsmythies at telus.net> wrote:
>
> I have been attempting to make samba work on an Ubuntu amd64 server 16.04 I am building.
>
> My windows user account name is "Doug". My Ubuntu user account name is "doug". This appears to be the root issue.
>
> On my 14.04 server:
>   check_ntlm_password:  authentication for user [Doug] -> [Doug] -> [doug] succeeded
>
> On my 16.04 server:
>   check_ntlm_password: sam authentication for user [Doug] FAILED with error NT_STATUS_NO_SUCH_USER
>   check_ntlm_password:  Authentication for user [Doug] -> [Doug] FAILED with error NT_STATUS_NO_SUCH_USER

Can you logon as "doug" from a Linux box?

Did you create machine accounts?