Many thanks (somewhat belated) to all those who made suggestions about
this matter. However, I'm still no further forward, having tried:

Using a usermap file to translate between upper and lower case account
(Finally) managing to compile 3.0.28 and using idmap_nss.
Not using Winbind.

In all cases, user accounts appear in file properties on Windows
machines as:

u123456 (Unix User\u123456)

I'm sure I must be missing something somewhere.

Nigel Pain
The Scottish Government
Corporate Systems Support
Information Systems and Information Services (ISIS)
Victoria Quay

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