diff --git a/guacamole/src/main/webapp/app/form/directives/form.js b/guacamole/src/main/webapp/app/form/directives/form.js
index 518db7dba..be2f3b176 100644
--- a/guacamole/src/main/webapp/app/form/directives/form.js
+++ b/guacamole/src/main/webapp/app/form/directives/form.js
@@ -64,7 +64,15 @@ angular.module('form').directive('guacForm', [function form() {
              *
              * @type Boolean
              */
-            modelOnly : '='
+            modelOnly : '=',
+
+            /**
+             * Whether the contents of the form should be rendered as disabled.
+             * By default, form fields are enabled.
+             *
+             * @type Boolean
+             */
+            disabled : '='
 
         },
         templateUrl: 'app/form/templates/form.html',
diff --git a/guacamole/src/main/webapp/app/form/directives/formField.js b/guacamole/src/main/webapp/app/form/directives/formField.js
index ea0f35fd7..15adc29e4 100644
--- a/guacamole/src/main/webapp/app/form/directives/formField.js
+++ b/guacamole/src/main/webapp/app/form/directives/formField.js
@@ -53,7 +53,15 @@ angular.module('form').directive('guacFormField', [function formField() {
              *
              * @type String
              */
-            model : '='
+            model : '=',
+
+            /**
+             * Whether this field should be rendered as disabled. By default,
+             * form fields are enabled.
+             *
+             * @type Boolean
+             */
+            disabled : '='
 
         },
         templateUrl: 'app/form/templates/formField.html',
diff --git a/guacamole/src/main/webapp/app/form/services/formService.js b/guacamole/src/main/webapp/app/form/services/formService.js
index 168a1efa7..21bfb4742 100644
--- a/guacamole/src/main/webapp/app/form/services/formService.js
+++ b/guacamole/src/main/webapp/app/form/services/formService.js
@@ -213,6 +213,10 @@ angular.module('form').provider('formService', function formServiceProvider() {
          * model:
          *     The current String value of the field, if any.
          *
+         * disabled:
+         *     A boolean value which is true if the field should be disabled.
+         *     If false or undefined, the field should be enabled.
+         *
          * @param {Element} fieldContainer
          *     The DOM Element whose contents should be replaced with the
          *     compiled field template.
diff --git a/guacamole/src/main/webapp/app/form/templates/checkboxField.html b/guacamole/src/main/webapp/app/form/templates/checkboxField.html
index ad9d8e006..b76368afe 100644
--- a/guacamole/src/main/webapp/app/form/templates/checkboxField.html
+++ b/guacamole/src/main/webapp/app/form/templates/checkboxField.html
@@ -1 +1 @@
-<input type="checkbox" ng-model="typedValue" autocorrect="off" autocapitalize="off"/>
\ No newline at end of file
+<input type="checkbox" ng-disabled="disabled" ng-model="typedValue" autocorrect="off" autocapitalize="off"/>
\ No newline at end of file
diff --git a/guacamole/src/main/webapp/app/form/templates/dateField.html b/guacamole/src/main/webapp/app/form/templates/dateField.html
index a186e19a5..b6af5463c 100644
--- a/guacamole/src/main/webapp/app/form/templates/dateField.html
+++ b/guacamole/src/main/webapp/app/form/templates/dateField.html
@@ -1,5 +1,6 @@
 <div class="date-field">
     <input type="date"
+           ng-disabled="disabled"
            ng-model="typedValue"
            ng-model-options="modelOptions"
            guac-lenient-date
diff --git a/guacamole/src/main/webapp/app/form/templates/emailField.html b/guacamole/src/main/webapp/app/form/templates/emailField.html
index db6d3beda..0e4354e91 100644
--- a/guacamole/src/main/webapp/app/form/templates/emailField.html
+++ b/guacamole/src/main/webapp/app/form/templates/emailField.html
@@ -1,5 +1,6 @@
 <div class="email-field">
     <input type="email"
+           ng-disabled="disabled"
            ng-model="model"
            ng-hide="readOnly"
            autocorrect="off"
diff --git a/guacamole/src/main/webapp/app/form/templates/form.html b/guacamole/src/main/webapp/app/form/templates/form.html
index b58393f8b..8d6bb00b1 100644
--- a/guacamole/src/main/webapp/app/form/templates/form.html
+++ b/guacamole/src/main/webapp/app/form/templates/form.html
@@ -9,6 +9,7 @@
         <div class="fields">
             <guac-form-field ng-repeat="field in form.fields" namespace="namespace"
                              ng-if="isVisible(field)"
+                             disabled="disabled"
                              field="field" model="values[field.name]"></guac-form-field>
         </div>
 
diff --git a/guacamole/src/main/webapp/app/form/templates/numberField.html b/guacamole/src/main/webapp/app/form/templates/numberField.html
index 3d6312e20..007297365 100644
--- a/guacamole/src/main/webapp/app/form/templates/numberField.html
+++ b/guacamole/src/main/webapp/app/form/templates/numberField.html
@@ -1 +1 @@
-<input type="number" ng-model="typedValue" autocorrect="off" autocapitalize="off"/>
\ No newline at end of file
+<input type="number" ng-disabled="disabled" ng-model="typedValue" autocorrect="off" autocapitalize="off"/>
\ No newline at end of file
diff --git a/guacamole/src/main/webapp/app/form/templates/passwordField.html b/guacamole/src/main/webapp/app/form/templates/passwordField.html
index 506d8b6b2..56472ef4e 100644
--- a/guacamole/src/main/webapp/app/form/templates/passwordField.html
+++ b/guacamole/src/main/webapp/app/form/templates/passwordField.html
@@ -1,4 +1,4 @@
 <div class="password-field">
-    <input type="{{passwordInputType}}" ng-model="model" ng-trim="false" autocorrect="off" autocapitalize="off"/>
+    <input type="{{passwordInputType}}" ng-disabled="disabled" ng-model="model" ng-trim="false" autocorrect="off" autocapitalize="off"/>
     <div class="icon toggle-password" ng-click="togglePassword()" title="{{getTogglePasswordHelpText() | translate}}"></div>
 </div>
\ No newline at end of file
diff --git a/guacamole/src/main/webapp/app/form/templates/selectField.html b/guacamole/src/main/webapp/app/form/templates/selectField.html
index 3bd2bb876..2f2b9d5ee 100644
--- a/guacamole/src/main/webapp/app/form/templates/selectField.html
+++ b/guacamole/src/main/webapp/app/form/templates/selectField.html
@@ -1 +1,2 @@
-<select ng-model="model" ng-options="option as getFieldOption(option) | translate for option in field.options | orderBy: value"></select>
\ No newline at end of file
+<select ng-model="model" ng-disabled="disabled"
+        ng-options="option as getFieldOption(option) | translate for option in field.options | orderBy: value"></select>
\ No newline at end of file
diff --git a/guacamole/src/main/webapp/app/form/templates/textAreaField.html b/guacamole/src/main/webapp/app/form/templates/textAreaField.html
index 082476f14..e049df60d 100644
--- a/guacamole/src/main/webapp/app/form/templates/textAreaField.html
+++ b/guacamole/src/main/webapp/app/form/templates/textAreaField.html
@@ -1 +1 @@
-<textarea ng-model="model" autocorrect="off" autocapitalize="off"></textarea>
\ No newline at end of file
+<textarea ng-model="model" autocorrect="off" autocapitalize="off" ng-disabled="disabled"></textarea>
\ No newline at end of file
diff --git a/guacamole/src/main/webapp/app/form/templates/textField.html b/guacamole/src/main/webapp/app/form/templates/textField.html
index a338db4cd..819ae038a 100644
--- a/guacamole/src/main/webapp/app/form/templates/textField.html
+++ b/guacamole/src/main/webapp/app/form/templates/textField.html
@@ -1,5 +1,6 @@
 <div class="text-field">
-    <input type="text" ng-model="model" autocorrect="off" autocapitalize="off" ng-attr-list="{{ dataListId }}"/>
+    <input type="text" ng-model="model" autocorrect="off" autocapitalize="off"
+           ng-disabled="disabled" ng-attr-list="{{ dataListId }}"/>
     <datalist ng-if="dataListId" id="{{ dataListId }}">
         <option ng-repeat="option in field.options | orderBy: option"
                 value="{{ option }}">{{ getFieldOption(option) | translate }}</option>
diff --git a/guacamole/src/main/webapp/app/form/templates/timeField.html b/guacamole/src/main/webapp/app/form/templates/timeField.html
index 24ae968b0..d45f54c91 100644
--- a/guacamole/src/main/webapp/app/form/templates/timeField.html
+++ b/guacamole/src/main/webapp/app/form/templates/timeField.html
@@ -1,5 +1,6 @@
 <div class="time-field">
     <input type="time"
+           ng-disabled="disabled"
            ng-model="typedValue"
            ng-model-options="modelOptions"
            guac-lenient-time
diff --git a/guacamole/src/main/webapp/app/form/templates/timeZoneField.html b/guacamole/src/main/webapp/app/form/templates/timeZoneField.html
index 15fd4d6fb..5a61d090f 100644
--- a/guacamole/src/main/webapp/app/form/templates/timeZoneField.html
+++ b/guacamole/src/main/webapp/app/form/templates/timeZoneField.html
@@ -2,12 +2,13 @@
 
     <!-- Available time zone regions -->
     <select class="time-zone-region"
+            ng-disabled="disabled"
             ng-model="region"
             ng-options="name for name in regions | orderBy: name"></select>
 
     <!-- Time zones within selected region -->
     <select class="time-zone"
-            ng-disabled="!region"
+            ng-disabled="disabled || !region"
             ng-model="model"
             ng-options="timeZone.value as timeZone.key for timeZone in timeZones[region] | toArray | orderBy: key"></select>
 
diff --git a/guacamole/src/main/webapp/app/login/directives/login.js b/guacamole/src/main/webapp/app/login/directives/login.js
index 562e3972e..aad7020b9 100644
--- a/guacamole/src/main/webapp/app/login/directives/login.js
+++ b/guacamole/src/main/webapp/app/login/directives/login.js
@@ -66,6 +66,7 @@ angular.module('login').directive('guacLogin', [function guacLogin() {
         var Field = $injector.get('Field');
 
         // Required services
+        var $rootScope            = $injector.get('$rootScope');
         var $route                = $injector.get('$route');
         var authenticationService = $injector.get('authenticationService');
         var requestService        = $injector.get('requestService');
@@ -91,6 +92,16 @@ angular.module('login').directive('guacLogin', [function guacLogin() {
          */
         $scope.remainingFields = [];
 
+        /**
+         * Whether an authentication attempt has been submitted. This will be
+         * set to true once credentials have been submitted and will only be
+         * reset to false once the attempt has been fully processed, including
+         * rerouting the user to the requested page if the attempt succeeded.
+         *
+         * @type Boolean
+         */
+        $scope.submitted = false;
+
         /**
          * Returns whether a previous login attempt is continuing.
          *
@@ -141,21 +152,27 @@ angular.module('login').directive('guacLogin', [function guacLogin() {
          */
         $scope.login = function login() {
 
+            // Authentication is now in progress
+            $scope.submitted = true;
+
             // Start with cleared status
-            $scope.loginError  = null;
+            $scope.loginError = null;
 
             // Attempt login once existing session is destroyed
             authenticationService.authenticate($scope.enteredValues)
 
-            // Clear and reload upon success
+            // Retry route upon success (entered values will be cleared only
+            // after route change has succeeded as this can take time)
             .then(function loginSuccessful() {
-                $scope.enteredValues = {};
                 $route.reload();
             })
 
             // Reset upon failure
             ['catch'](requestService.createErrorCallback(function loginFailed(error) {
 
+                // Initial submission is complete and has failed
+                $scope.submitted = false;
+
                 // Clear out passwords if the credentials were rejected for any reason
                 if (error.type !== Error.Type.INSUFFICIENT_CREDENTIALS) {
 
@@ -183,6 +200,12 @@ angular.module('login').directive('guacLogin', [function guacLogin() {
 
         };
 
+        // Reset state after authentication and routing have succeeded
+        $rootScope.$on('$routeChangeSuccess', function routeChanged() {
+            $scope.enteredValues = {};
+            $scope.submitted = false;
+        });
+
     }];
 
     return directive;
diff --git a/guacamole/src/main/webapp/app/login/styles/dialog.css b/guacamole/src/main/webapp/app/login/styles/dialog.css
index c9c6a4af6..e83353331 100644
--- a/guacamole/src/main/webapp/app/login/styles/dialog.css
+++ b/guacamole/src/main/webapp/app/login/styles/dialog.css
@@ -17,27 +17,20 @@
  * under the License.
  */
 
-.login-ui.error .login-dialog {
-    animation-name: shake-head;
-    animation-duration: 0.25s;
-    animation-timing-function: linear;
-    -webkit-animation-name: shake-head;
-    -webkit-animation-duration: 0.25s;
-    -webkit-animation-timing-function: linear;
+.login-ui {
+    animation: fadein 0.125s linear;
+    -moz-animation: fadein 0.125s linear;
+    -webkit-animation: fadein 0.125s linear;
 }
 
-.login-ui div.login-dialog-middle {
+.login-ui .login-dialog-middle {
     width: 100%;
     display: table-cell;
     vertical-align: middle;
     text-align: center;
 }
 
-.login-ui div.login-dialog {
-
-    animation: fadein 0.125s linear;
-    -moz-animation: fadein 0.125s linear;
-    -webkit-animation: fadein 0.125s linear;
+.login-ui .login-dialog {
 
     width: 100%;
     max-width: 3in;
@@ -115,7 +108,7 @@
     background-image: url("images/guac-tricolor.png");
 }
 
-.login-ui.continuation div.login-dialog {
+.login-ui.continuation .login-dialog {
     border-right: none;
     border-left: none;
     box-shadow: none;
@@ -126,3 +119,12 @@
 .login-ui.continuation .login-dialog .version {
     display: none;
 }
+
+.login-ui.error .login-dialog {
+    animation-name: shake-head;
+    animation-duration: 0.25s;
+    animation-timing-function: linear;
+    -webkit-animation-name: shake-head;
+    -webkit-animation-duration: 0.25s;
+    -webkit-animation-timing-function: linear;
+}
diff --git a/guacamole/src/main/webapp/app/login/templates/login.html b/guacamole/src/main/webapp/app/login/templates/login.html
index 26a3f1889..833fef61b 100644
--- a/guacamole/src/main/webapp/app/login/templates/login.html
+++ b/guacamole/src/main/webapp/app/login/templates/login.html
@@ -23,13 +23,24 @@
 
                 <!-- Login fields -->
                 <div class="login-fields">
-                    <guac-form namespace="'LOGIN'" content="remainingFields" model="enteredValues"></guac-form>
+                    <guac-form
+                        namespace="'LOGIN'"
+                        content="remainingFields"
+                        model="enteredValues"
+                        disabled="submitted"></guac-form>
                 </div>
 
-                <!-- Submit button -->
+                <!-- Login/continue button -->
                 <div class="buttons">
-                    <input type="submit" name="login" class="login" value="{{'LOGIN.ACTION_LOGIN' | translate}}"/>
-                    <input type="submit" name="login" class="continue-login" value="{{'LOGIN.ACTION_CONTINUE' | translate}}"/>
+
+                    <input type="submit" name="login" class="login"
+                           ng-disabled="submitted"
+                           value="{{'LOGIN.ACTION_LOGIN' | translate}}"/>
+
+                    <input type="submit" name="login" class="continue-login"
+                           ng-disabled="submitted"
+                           value="{{'LOGIN.ACTION_CONTINUE' | translate}}"/>
+
                 </div>
 
             </form>