Issue
Description
A user's display name is incorrect on a SharePoint site .A
user in your organization has recently updated some of his or her information
(such as the user's display name) in Active Directory Domain Services. The
information was updated correctly in the user Profile Service Application.
However, on a specific Microsoft SharePoint 2010 Site Collection, that
information was not updated.
Cause
The user is not synchronizing correctly to a Site
Collection. This most likely occurs because the user is not flagged as Active
on the Site. In Microsoft Office SharePoint 2007, you could remove the user
from the All People group and re-add them. This option is no longer available
in SharePoint 2010.
Resolution
In simple words – Note the permission of the
user in the site. Remove the user from the site and add again. Detailed
explanation is below
Important: If
you remove the user from the All People group, all the user's permissions to
this Site Collection are removed. Before you remove the user's permissions and
re-add them, note the user's permissions. To do this, on the Site Actions menu,
click Site Permissions, and then click Check Permissions.
The All People group is hidden in SharePoint 2010.
However, to access this group, you can modify the following
URL in the browser:
<Site
URL>/_layouts/people.aspx?MembershipGroupId=0
For example, the URL will resemble the following:
https://contoso.com/sites/<SpecificSiteName>/_layouts/people.aspx?MembershipGroupId=0
If you remove the user from this group, this also
removes the user from the userInfo table in the Microsoft SQL Server
database. When you re-add the user, the user's information is updated in this
table.