I am trying to fetch user in people picker. However, in the Production Environment it is failing to resolve one of the user in few of the sitecollection. When I try to get the same user in other sitecollections in the same webapplication , the user is resolvable there(These are recently created sitecollections). On UAT environment this is occuring for the whole farm on every single web application.
Other observations and informations:-
- Authentication providers - Windows
- User present in Mange User Profile
- On UAT - Not resolvable anywhere
- It is not resolvable in central administration site.
I have already tried the following:
Turned off firewall on test.(not worked)
Checked the user in server manager -- > user groups(user is present there) (IN TEST SERVER)
3.Used Powershell command (NewSPUser) to set it for site collection, However it is giving error - user not recognized