diff --git a/src/ifm.js b/src/ifm.js
index f83f88b..73f37e7 100644
--- a/src/ifm.js
+++ b/src/ifm.js
@@ -1921,14 +1921,20 @@ function IFM(params) {
 								},
 								dataType: "json",
 								success: function(e) {
-									self.hideModal();
-									self.initApplication();
+									if (e.status != "ERROR") {
+										self.hideModal();
+										self.initApplication();
+									} else {
+										var errorlogin = document.getElementsByClassName('alert')[0];
+										errorlogin.classList.remove("d-none");
+										errorlogin.innerHTML = e.message;
+									}
+
 								},
 								error: function(e) {
 									var errorlogin = document.getElementsByClassName('alert')[0];
 									errorlogin.classList.remove("d-none");
-									errorlogin.innerHTML = "Authentication failed"
-									//self.showMessage("Authentication failed", "e");
+									errorlogin.innerHTML = "Authentication failed";
 								}
 							});
 						}
@@ -1937,10 +1943,6 @@ function IFM(params) {
 					self.initApplication();
 				}
 			}
-			// },
-			// error: function(resp) {
-			// 	throw new Error("Not authenticated");
-			// }
 		});
 	};
 	
diff --git a/src/main.php b/src/main.php
index 3298992..142bd30 100644
--- a/src/main.php
+++ b/src/main.php
@@ -1028,7 +1028,8 @@ f00bar;
 				}
 				$u = $uuid . "=" . $user . "," . $basedn;
 				if (!$ds = ldap_connect($ldap_server)) {
-					trigger_error("Could not reach the ldap server.", E_USER_ERROR);
+					throw new IFMException("Could not reach the ldap server." , true);
+					//trigger_error("Could not reach the ldap server.", E_USER_ERROR);
 					return false;
 				}
 				ldap_set_option($ds, LDAP_OPT_PROTOCOL_VERSION, 3);
@@ -1036,16 +1037,18 @@ f00bar;
 					$ldbind = @ldap_bind($ds, $u, $pass);
 					if ($ldbind) {
 						if ($ufilter) {
-							if (ldap_count_entries($ds, ldap_search($ds, $u, $ufilter)) > 0) {
+							if (ldap_count_entries($ds, ldap_search($ds, $u, $ufilter)) == 1) {
 								$authenticated = true;
 							} else {
-								trigger_error("User not allowed.", E_USER_ERROR);
+								throw new IFMException("User not allowed." , true);
+								//trigger_error("User not allowed.", E_USER_ERROR);
 								$authenticated = false;
 							}
 						} else
 							$authenticated = true;
 					} else {
-						trigger_error(ldap_error($ds), E_USER_ERROR);
+						throw new IFMException(ldap_error($ds) , true);
+						//trigger_error(ldap_error($ds), E_USER_ERROR);
 						$authenticated = false;
 					}
 					ldap_unbind($ds);