You can use Set-SPUser -SyncFromAD on a per-Site Collection basis, but I'd just suggest implementing AD sync via the UPSA. Trevor Seward Office Servers and Services MVP Author, Deploying SharePoint 2016 This post is my own opinion and does not necessarily reflect the opinion or view...
1. Inside a site collection i have a user with all his info inside the "_layouts/15/userdisp.aspx?ID=" being wrongly shown. these info include ; Account, Name & Work Email. but when i added this user inside a sharepoint group, i found that the Account for the user got correc...