This public hotfix resolves the following issues:
User search with Domain\UserName does not show any results when Users must enter their logon names for identification on the Self-Service site option is selected.
When security questions are selected as the registration mode and if both Mail and Mobile values are configured before the user registration, Access is Denied error occurs while saving Q&A profile from the PMUser site.
In the self-service site, partial username search displays the self-service tasks even if Disable user search on Self-Service site for external network. Defining Corporate IP Address Range from General Settings is required option is selected.