/_catalogs/users/simple.aspx
in the root site collection I have a list of many users and it seems to be correct.
when opening another site collection I have 1 - 3 users that have somehow have domain\rósa instead of domain\rosa
In these site collections all items they add / edit are updated with domain\rósa.
in user profile the user(s) are correct.
in AD the user is also correct.
How can I troubleshoot this and fix it?
best regards,
Olafur Johannsson