diff --git a/admin/server/controllers/systems.js b/admin/server/controllers/systems.js
index 190f1ca..6075de4 100644
--- a/admin/server/controllers/systems.js
+++ b/admin/server/controllers/systems.js
@@ -13,6 +13,42 @@ exports.isLoggedIn = function (req, res, next) {
 
 // -------------------------------------------
 
+exports.listActiveUsers = async function (req,res,next) {
+  if (!req.user.admin) {
+    res.status(401);
+    res.json({ success: false, message: "Not Authorized" });
+    return; 
+  }
+  let users = {};
+  let fromDate = new Date(Date.now() - 60 * 60 * 24 * 30 * 1000);
+  const systems = await System.find({lastActive: {$gte: fromDate}}).populate('userId', "screenName").catch( err => {
+     console.error("Error - get_systems: " + err.message);
+      res.json({
+        success: false,
+        message: err
+      });
+      return;
+  });
+  for (let index = 0; index < systems.length; index++) {
+    const system = systems[index];
+
+    if (!users.hasOwnProperty(system.userId.toString())) {
+      const user = await User.findById(system.userId, "_id email firstName lastName lastLogin");
+      users[system.userId.toString()] = user.email;
+    }
+
+  }
+
+  let list = [];
+  for (const id in users) {
+    list.push(users[id]);
+  }
+
+  res.json(list);
+  return;
+}
+
+
 exports.listUserSystems = async function (req,res,next) {
   if (!req.user.admin) {
     res.status(401);
diff --git a/admin/server/index.js b/admin/server/index.js
index d6ddb96..8033f75 100644
--- a/admin/server/index.js
+++ b/admin/server/index.js
@@ -153,6 +153,7 @@ app.get("/groups/:shortName/:groupId?", isLoggedIn, groups.getGroups);
 app.delete("/groups/:shortName/:groupId", isLoggedIn, groups.deleteGroup);
 app.get("/systems", isLoggedIn, systems.listSystems)
 app.get("/admin/systems", isAdmin, systems.listAllSystems)
+app.get("/admin/users/active", isAdmin, systems.listActiveUsers)
 app.get("/admin/users", isAdmin, systems.listUserSystems)
 app.delete("/systems/:shortName", isLoggedIn, systems.deleteSystem)
 app.post("/systems/:shortName", [isLoggedIn, systems.ownSystem, systems.validateSystem, systems.updateSystem])
diff --git a/admin/src/ActiveUsers/ActiveUsers.js b/admin/src/ActiveUsers/ActiveUsers.js
new file mode 100644
index 0000000..7facb25
--- /dev/null
+++ b/admin/src/ActiveUsers/ActiveUsers.js
@@ -0,0 +1,37 @@
+import {
+  Container,
+  Header,
+  Table,
+  Icon
+} from "semantic-ui-react";
+import { useGetActiveUsersQuery, } from '../features/api/apiSlice'
+
+
+
+// ----------------------------------------------------
+const ActiveUsers = () => {
+  const { data: users, isSuccess } = useGetActiveUsersQuery();
+
+
+//https://stackoverflow.com/questions/36559661/how-can-i-dispatch-from-child-components-in-react-redux
+//https://stackoverflow.com/questions/42597602/react-onclick-pass-event-with-parameter
+
+    return (
+      <div>
+        <Container>
+          <Header as="h1">Email of Active Users</Header>
+
+
+          {users &&
+            users.map((user) =>
+
+            <span>{user}, </span>
+          )}
+
+        </Container>
+      </div>
+    );
+
+}
+
+export default ActiveUsers;
diff --git a/admin/src/App/App.js b/admin/src/App/App.js
index 8d5a75e..e818162 100644
--- a/admin/src/App/App.js
+++ b/admin/src/App/App.js
@@ -9,6 +9,7 @@ import AllSystems from "../AllSystems/AllSystems"
 import ListSystems from "../System/ListSystems"
 import UpdateSystem from "../System/UpdateSystem"
 import CreateSystem from "../System/CreateSystem"
+import ActiveUsers from "../ActiveUsers/ActiveUsers"
 
 
 const App = (params) => {
@@ -22,6 +23,7 @@ const App = (params) => {
 					<Route path="/create-system" element={ <Restricted><CreateSystem/></Restricted>}  />
 					<Route path="/list-systems" element={ <Restricted><ListSystems/></Restricted>}  />
 					<Route path="/all-systems" element={ <AdminRestricted><AllSystems/></AdminRestricted>}  />
+					<Route path="/active-users" element={ <AdminRestricted><ActiveUsers/></AdminRestricted>}  />
 					<Route path="/" element={ <Restricted><ListSystems/></Restricted>} />
 					<Route render={() => (<div>Miss</div>)} />
 				</Routes>
diff --git a/admin/src/App/Navigation.js b/admin/src/App/Navigation.js
index e58fc72..8fee9c1 100644
--- a/admin/src/App/Navigation.js
+++ b/admin/src/App/Navigation.js
@@ -24,6 +24,10 @@ const Navigation = (props) => {
           {process.env.REACT_APP_SITE_NAME}
         </Menu.Item>
         <Menu.Menu position="right">
+          {admin &&
+          <Link to="/active-users">
+            <Menu.Item name="active-users">Active Users</Menu.Item>
+          </Link> }
           {admin &&
           <Link to="/all-systems">
             <Menu.Item name="all-systems">All Systems</Menu.Item>
diff --git a/admin/src/features/api/apiSlice.js b/admin/src/features/api/apiSlice.js
index 3af13dc..2edd0a0 100644
--- a/admin/src/features/api/apiSlice.js
+++ b/admin/src/features/api/apiSlice.js
@@ -140,6 +140,10 @@ export const apiSlice = createApi({
       // The URL for the request is '/fakeApi/posts'
       query: () => ({ url: `/admin/users`, credentials: "include" })
     }),
+    getActiveUsers: builder.query({
+      // The URL for the request is '/fakeApi/posts'
+      query: () => ({ url: `/admin/users/active`, credentials: "include" })
+    }),
     createSystem: builder.mutation({
       query: (system) => ({
         url: `/systems`,
@@ -202,4 +206,4 @@ export const apiSlice = createApi({
 })
 
 // Export the auto-generated hook for the `getPosts` query endpoint
-export const { useGetGroupsQuery, useGetSystemsQuery, useGetAllSystemsQuery, useGetTalkgroupsQuery, useGetErrorsQuery, useDeleteGroupMutation, useCreateGroupMutation, useCreateSystemMutation, useUpdateSystemMutation, useDeleteSystemMutation, useSaveGroupOrderMutation, useUpdateGroupMutation, useImportTalkgroupsMutation } = apiSlice
+export const { useGetGroupsQuery, useGetSystemsQuery, useGetAllSystemsQuery, useGetActiveUsersQuery, useGetTalkgroupsQuery, useGetErrorsQuery, useDeleteGroupMutation, useCreateGroupMutation, useCreateSystemMutation, useUpdateSystemMutation, useDeleteSystemMutation, useSaveGroupOrderMutation, useUpdateGroupMutation, useImportTalkgroupsMutation } = apiSlice