What is Hidden User Information (Userinfo) List in SharePoint 2010/2013 and how to fix when it causes a site collection to show old User metadata properties in People Picker control or in a Person or Group column?

What is the User Information List in SharePoint?   The User Information List (“/_catalogs/users/simple.aspx” or “_catalogs/users/detail.aspx”) is a hidden list in each site collection that is only visible and accessible to Site Collection Administrators.  The User Information List stores metadata information about a user. Some metadata examples are Display Name (name), Login Name (samAccountName), Department, Picture,…

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How Does Renaming an Active Directory Group Impact User Access, People Picker, and Audience Targeting in SharePoint 2010?

I've done some research and testing to determine how rename of a Group in Active Directory impacts SharePoint 2010, and my best understanding provided below.  I believe much of this would be applicable for SharePoint 2013, too. About Active Directory (AD) Groups Groups are used to collect user accounts, computer accounts, and other groups into…

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SharePoint 2010 Workflows Best Practice – Purge Workflow History List Items

BEST PRACTICE: Define requirements for when SharePoint 2010 Workflow History list items can expire and be purged, and implement either a manual or an automated process to periodically purge expired workflow history list items!  UPDATE NOVEMBER 30, 2015:  Clarification that this History List purge best practice is also applicable for: SharePoint 2010 & 2013 style workflows…

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Supported Way to Configure Additional URL for a Web Application in SharePoint Server

Example Scenario:  You want to add another user-friendly URL (http://inside.contoso.com) to an existing SharePoint 2010 or 2013 web application in addition to the default URL (http://servername:5555). Then users can access the web application using either the default or user-friendly URL. To be in a Microsoft supported state, every alternate access mapping URL in SharePoint must have a…

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Best Practices for Authorizing User Access to SharePoint Sites Using SharePoint Groups/Permissions/Inheritance

The Office support topic “Introduction: Control user access with permissions” explains three SharePoint security features that work together to help you control user access to sites and content on sites. These features are: SharePoint groups Permission levels Permissions inheritance and site structure Using these three features, what are best practices for SharePoint security design and…

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