Find username from Active Directory using email id

Question

I am finding user name from Active Directory by passing email id. It is working fine. But it takes 30-40 seconds to get the username. Is there any other better way to find t

Answer 1

using System.DirectoryServices.AccountManagement;

// Lock user
using (PrincipalContext context = new PrincipalContext(ContextType.Domain))
{
    UserPrincipal yourUser = UserPrincipal.FindByIdentity(context, logonName);
    if (yourUser != null)
    {
        if(!yourUser.IsAccountLockedOut())
        {
            yourUser.Enabled = False;
            yourUser.Save();
        }
    }
}