filter,
			[]string{}, // only need DN, so pass no attributes here
			nil,
		)

		searchResult, err := conn.Search(searchRequest)
		if err != nil {
			// Object does not exist error?
			if ldap.IsErrorWithCode(err, 32) {
				nonExistentUsers = append(nonExistentUsers, dn)
				continue
			}
			return nil, err
		}
		if len(searchResult.Entries) == 0 {
			// DN was not found - this means this user account is