How to debug the SharePoint People Picker Problems
In complex environments you often have to adapt the SharePoint people picker settings for performance or other business needs reason. In this post I'll show two common problems. Example 1: The people picker takes too long to find a user. The szenario is that you search for a user and you wait 1 or longer minute before the user is displayed in the people picker. One reason for that is often that the whole AD with all subtrees and trusted ADs is searched. This can be easily fixed by setting a filter to the people picker (like shown here ). Another reason can be that there are multiple Domain Controllers which the SharePoint Server tries to contact. There will be a delay if some of them are sitting behind a firewall like in a DMZ. This can be fixed by opening the ports to the DCs or by modifiying the host file, by pointing th IP of the DCs behind the firewall to DCs in front. Example 2: Your company consists of multiple branches with their own AD You can tell the people