diff --git a/src/locales/en-US.json b/src/locales/en-US.json
index ffb6a2e..0796c67 100644
--- a/src/locales/en-US.json
+++ b/src/locales/en-US.json
@@ -581,6 +581,7 @@
             "errorBatchDisable": "Error disabling %{count} user. | Error disabling %{count} users.",
             "errorBatchEnable": "Error enabling %{count} user. | Error enabling %{count} users.",
             "errorCreateUser": "Error creating user '%{username}'.",
+            "errorAlreadyExistUser": "Username '%{username}' already exists.",
             "errorDeleteUser": "Error deleting user '%{username}'.",
             "errorLoadAccountSettings": "Error loading account settings",
             "errorLoadUsers": "Error loading users.",
diff --git a/src/locales/ru-RU.json b/src/locales/ru-RU.json
index 8993b82..477cde7 100644
--- a/src/locales/ru-RU.json
+++ b/src/locales/ru-RU.json
@@ -581,6 +581,7 @@
             "errorBatchDisable": "Ошибка отключения %{count} пользователя. | Ошибка отключения %{count} пользователей.",
             "errorBatchEnable": "Ошибка включения %{count} пользователя. | Ошибка включения %{count} пользователей.",
             "errorCreateUser": "Ошибка создания пользователя '%{username}'.",
+            "errorAlreadyExistUser": "имя пользователя '%{username}' уже существует.",
             "errorDeleteUser": "Ошибка удаления пользователя '%{username}'.",
             "errorLoadAccountSettings": "Ошибка загрузки настроек учётной записи",
             "errorLoadUsers": "Ошибка загрузки учётных записей пользователей.",
diff --git a/src/store/modules/SecurityAndAccess/UserManagementStore.js b/src/store/modules/SecurityAndAccess/UserManagementStore.js
index 362f3f6..78dbd43 100644
--- a/src/store/modules/SecurityAndAccess/UserManagementStore.js
+++ b/src/store/modules/SecurityAndAccess/UserManagementStore.js
@@ -113,10 +113,27 @@
           })
         )
         .catch((error) => {
-          console.log(error);
-          const message = i18n.t('pageUserManagement.toast.errorCreateUser', {
+          let message = i18n.t('pageUserManagement.toast.errorCreateUser', {
             username,
           });
+          if (error.response && error.response.data) {
+            if (error.response.data['UserName@Message.ExtendedInfo']) {
+              let obj = error.response.data['UserName@Message.ExtendedInfo'];
+              for (var key in obj) {
+                if (obj[key].Message) {
+                  let msg = obj[key].Message;
+                  if (msg.indexOf('already exists') != -1) {
+                    message = i18n.t(
+                      'pageUserManagement.toast.errorAlreadyExistUser',
+                      {
+                        username,
+                      }
+                    );
+                  }
+                }
+              }
+            }
+          }
           throw new Error(message);
         });
     },
diff --git a/src/views/SecurityAndAccess/UserManagement/ModalUser.vue b/src/views/SecurityAndAccess/UserManagement/ModalUser.vue
index 0f8757c..5a1dc61 100644
--- a/src/views/SecurityAndAccess/UserManagement/ModalUser.vue
+++ b/src/views/SecurityAndAccess/UserManagement/ModalUser.vue
@@ -56,6 +56,7 @@
                 name="user-status"
                 data-test-id="userManagement-radioButton-statusDisabled"
                 :value="false"
+                :disabled="!newUser && originalUsername === disabled"
                 @input="$v.form.status.$touch()"
               >
                 {{ $t('global.status.disabled') }}
@@ -81,7 +82,7 @@
                 aria-describedby="username-help-block"
                 data-test-id="userManagement-input-username"
                 :state="getValidationState($v.form.username)"
-                :disabled="!newUser && originalUsername === 'root'"
+                :disabled="!newUser && originalUsername === disabled"
                 @input="$v.form.username.$touch()"
               />
               <b-form-invalid-feedback role="alert">
@@ -259,6 +260,7 @@
         passwordConfirmation: '',
         manualUnlock: false,
       },
+      disabled: this.$store.getters['global/username'],
     };
   },
   computed: {
diff --git a/src/views/SecurityAndAccess/UserManagement/UserManagement.vue b/src/views/SecurityAndAccess/UserManagement/UserManagement.vue
index c6c556c..b17be86 100644
--- a/src/views/SecurityAndAccess/UserManagement/UserManagement.vue
+++ b/src/views/SecurityAndAccess/UserManagement/UserManagement.vue
@@ -217,12 +217,17 @@
           actions: [
             {
               value: 'edit',
-              enabled: true,
+              enabled: this.editEnable(user),
               title: this.$t('pageUserManagement.editUser'),
             },
             {
               value: 'delete',
-              enabled: user.UserName === 'root' ? false : true,
+              enabled:
+                user.UserName === this.$store.getters['global/username']
+                  ? false
+                  : true && user.UserName === 'root'
+                  ? false
+                  : true,
               title: this.$tc('pageUserManagement.deleteUser'),
             },
           ],
@@ -247,6 +252,13 @@
     this.$store.dispatch('userManagement/getAccountRoles');
   },
   methods: {
+    editEnable(user) {
+      if ('root' === this.$store.getters['global/username']) {
+        return true;
+      } else {
+        return user.UserName === 'root' ? false : true;
+      }
+    },
     initModalUser(user) {
       this.activeUser = user;
       this.$bvModal.show('modal-user');