diff --git a/application/Espo/Modules/Crm/Resources/metadata/entityDefs/Contact.json b/application/Espo/Modules/Crm/Resources/metadata/entityDefs/Contact.json
index 2b108e6c28..2e12abcb87 100644
--- a/application/Espo/Modules/Crm/Resources/metadata/entityDefs/Contact.json
+++ b/application/Espo/Modules/Crm/Resources/metadata/entityDefs/Contact.json
@@ -146,7 +146,8 @@
         "portalUser": {
             "type": "link",
             "layoutMassUpdateDisabled": true,
-            "layoutListDisabled": true
+            "layoutListDisabled": true,
+            "readOnly": true
         }
     },
     "links": {
diff --git a/application/Espo/Modules/Crm/Services/CaseObj.php b/application/Espo/Modules/Crm/Services/CaseObj.php
index 93822d95cf..9c2745a6d8 100644
--- a/application/Espo/Modules/Crm/Services/CaseObj.php
+++ b/application/Espo/Modules/Crm/Services/CaseObj.php
@@ -33,12 +33,16 @@ use \Espo\ORM\Entity;
 
 class CaseObj extends \Espo\Services\Record
 {
-    protected $mergeLinkList = array(
+    protected $mergeLinkList = [
         'tasks',
         'meetings',
         'calls',
         'emails'
-    );
+    ]
+
+    protected $readOnlyAttributeList = [
+        'inboundEmailId'
+    ];
 
     public function afterCreate($entity, array $data)
     {
diff --git a/application/Espo/Modules/Crm/Services/Contact.php b/application/Espo/Modules/Crm/Services/Contact.php
index 98ab184bfe..a8a5b004d5 100644
--- a/application/Espo/Modules/Crm/Services/Contact.php
+++ b/application/Espo/Modules/Crm/Services/Contact.php
@@ -37,6 +37,11 @@ class Contact extends \Espo\Services\Record
         'targetLists'
     ];
 
+    protected $readOnlyAttributeList = [
+        'inboundEmailId',
+        'portalUserId'
+    ];
+
     protected function getDuplicateWhereClause(Entity $entity)
     {
         $data = array(
diff --git a/application/Espo/Resources/i18n/en_US/Portal.json b/application/Espo/Resources/i18n/en_US/Portal.json
index c3b8bc4418..22e9fb3134 100644
--- a/application/Espo/Resources/i18n/en_US/Portal.json
+++ b/application/Espo/Resources/i18n/en_US/Portal.json
@@ -3,7 +3,8 @@
         "name": "Name",
         "logo": "Logo",
         "url": "URL",
-        "portalRoles": "Roles"
+        "portalRoles": "Roles",
+        "isActive": "Is Active"
     },
     "links": {
         "users": "Users",
diff --git a/application/Espo/Resources/metadata/entityDefs/Portal.json b/application/Espo/Resources/metadata/entityDefs/Portal.json
index 7a701fb5e0..19488869e3 100644
--- a/application/Espo/Resources/metadata/entityDefs/Portal.json
+++ b/application/Espo/Resources/metadata/entityDefs/Portal.json
@@ -13,6 +13,10 @@
             "notStorable": true,
             "readOnly": true
         },
+        "isActive": {
+            "type": "bool",
+            "default": true
+        },
         "portalRoles": {
             "type": "linkMultiple"
         },