diff --git a/packages/client/src/components/panels/AddUsersPanel/index.js b/packages/client/src/components/panels/AddUsersPanel/index.js
index 205dafe0fc..c0341b8be4 100644
--- a/packages/client/src/components/panels/AddUsersPanel/index.js
+++ b/packages/client/src/components/panels/AddUsersPanel/index.js
@@ -10,6 +10,7 @@ import PeopleSelector from "@docspace/client/src/components/PeopleSelector";
 import { withTranslation } from "react-i18next";
 import Loaders from "@docspace/common/components/Loaders";
 import withLoader from "../../../HOCs/withLoader";
+import toastr from "@docspace/components/toast/toastr";
 
 const AddUsersPanel = ({
   isEncrypted,
@@ -67,6 +68,9 @@ const AddUsersPanel = ({
       }
     }
 
+    if (users.length > items.length)
+      toastr.warning("Some users are already in room");
+
     setDataItems(items);
     onClose();
   };
diff --git a/packages/client/src/components/panels/InvitePanel/index.js b/packages/client/src/components/panels/InvitePanel/index.js
index 496913e11a..59f052f712 100644
--- a/packages/client/src/components/panels/InvitePanel/index.js
+++ b/packages/client/src/components/panels/InvitePanel/index.js
@@ -5,6 +5,7 @@ import { withTranslation } from "react-i18next";
 import Backdrop from "@docspace/components/backdrop";
 import Aside from "@docspace/components/aside";
 import Button from "@docspace/components/button";
+import toastr from "@docspace/components/toast/toastr";
 
 import {
   StyledBlock,
@@ -103,8 +104,9 @@ const InvitePanel = ({
     try {
       await setRoomSecurity(roomId, data);
       onClose();
+      toastr.success(`Users invited to ${selectedRoom.title}`);
     } catch (err) {
-      console.error(err);
+      toastr.error(err);
     }
   };
 
@@ -196,7 +198,11 @@ export default inject(({ auth, peopleStore, filesStore, dialogsStore }) => {
     getFolderInfo,
   };
 })(
-  withTranslation(["InviteDialog", "SharingPanel", "Translations", "Common"])(
-    observer(InvitePanel)
-  )
+  withTranslation([
+    "InviteDialog",
+    "SharingPanel",
+    "Translations",
+    "Common",
+    "InfoPanel",
+  ])(observer(InvitePanel))
 );
diff --git a/packages/client/src/components/panels/InvitePanel/sub-components/InviteInput.js b/packages/client/src/components/panels/InvitePanel/sub-components/InviteInput.js
index c7d3f7c3a1..c09409391d 100644
--- a/packages/client/src/components/panels/InvitePanel/sub-components/InviteInput.js
+++ b/packages/client/src/components/panels/InvitePanel/sub-components/InviteInput.js
@@ -5,6 +5,7 @@ import { inject, observer } from "mobx-react";
 import Avatar from "@docspace/components/avatar";
 import TextInput from "@docspace/components/text-input";
 import DropDownItem from "@docspace/components/drop-down-item";
+import toastr from "@docspace/components/toast/toastr";
 
 import { parseAddresses } from "@docspace/components/utils/email";
 
@@ -101,6 +102,18 @@ const InviteInput = ({
     debouncedSearch(clearValue);
   };
 
+  const removeExist = (items) => {
+    const filtered = items.reduce((unique, o) => {
+      !unique.some((obj) => obj.email === o.email) && unique.push(o);
+      return unique;
+    }, []);
+
+    if (items.length > filtered.length)
+      toastr.warning("Some users have already been added");
+
+    return filtered;
+  };
+
   const getItemContent = (item) => {
     const { avatar, displayName, email, id } = item;
 
@@ -109,7 +122,8 @@ const InviteInput = ({
     item.access = selectedAccess;
 
     const addUser = () => {
-      setInviteItems([item, ...inviteItems]);
+      const items = removeExist([item, ...inviteItems]);
+      setInviteItems(items);
       closeInviteInputPanel();
     };
 
@@ -139,10 +153,7 @@ const InviteInput = ({
     const newItems =
       items.length > 1 ? [...items, ...inviteItems] : [items, ...inviteItems];
 
-    const filtered = newItems.reduce((unique, o) => {
-      !unique.some((obj) => obj.email === o.email) && unique.push(o);
-      return unique;
-    }, []);
+    const filtered = removeExist(newItems);
 
     setInviteItems(filtered);
     closeInviteInputPanel();
@@ -151,10 +162,7 @@ const InviteInput = ({
   const addItems = (users) => {
     const items = [...users, ...inviteItems];
 
-    const filtered = items.reduce((unique, o) => {
-      !unique.some((obj) => obj.email === o.email) && unique.push(o);
-      return unique;
-    }, []);
+    const filtered = removeExist(items);
 
     setInviteItems(filtered);
     closeInviteInputPanel();