diff --git a/src/Utils/AuthorizationUtils.test.ts b/src/Utils/AuthorizationUtils.test.ts
index 993b6b166..6eb5f761f 100644
--- a/src/Utils/AuthorizationUtils.test.ts
+++ b/src/Utils/AuthorizationUtils.test.ts
@@ -163,4 +163,42 @@ describe("AuthorizationUtils", () => {
       expect((instance as any)._config.auth.redirectUri).toBe("http://localhost/redirectBridge.html");
     });
   });
+
+  describe("getRedirectBridgeUrl()", () => {
+    const originalNodeEnv = process.env.NODE_ENV;
+    const originalPathname = window.location.pathname;
+
+    afterEach(() => {
+      process.env.NODE_ENV = originalNodeEnv;
+      Object.defineProperty(window, "location", {
+        value: { ...window.location, pathname: originalPathname },
+        writable: true,
+      });
+    });
+
+    it("should use dev URL in development mode", () => {
+      process.env.NODE_ENV = "development";
+      expect(AuthorizationUtils.getRedirectBridgeUrl()).toBe(
+        "https://dataexplorer-dev.azurewebsites.net/redirectBridge.html",
+      );
+    });
+
+    it("should use MPAC path when on /mpac/", () => {
+      process.env.NODE_ENV = "production";
+      Object.defineProperty(window, "location", {
+        value: { origin: "https://cosmos.azure.com", pathname: "/mpac/explorer.html" },
+        writable: true,
+      });
+      expect(AuthorizationUtils.getRedirectBridgeUrl()).toBe("https://cosmos.azure.com/mpac/redirectBridge.html");
+    });
+
+    it("should use root path when not on /mpac/", () => {
+      process.env.NODE_ENV = "production";
+      Object.defineProperty(window, "location", {
+        value: { origin: "https://cosmos.azure.com", pathname: "/explorer.html" },
+        writable: true,
+      });
+      expect(AuthorizationUtils.getRedirectBridgeUrl()).toBe("https://cosmos.azure.com/redirectBridge.html");
+    });
+  });
 });
diff --git a/src/Utils/AuthorizationUtils.ts b/src/Utils/AuthorizationUtils.ts
index 14fd7c04c..21bd23195 100644
--- a/src/Utils/AuthorizationUtils.ts
+++ b/src/Utils/AuthorizationUtils.ts
@@ -50,12 +50,25 @@ export function decryptJWTToken(token: string) {
   return JSON.parse(tokenPayload);
 }
 
+export function getRedirectBridgeUrl(): string {
+  if (process.env.NODE_ENV === "development") {
+    return "https://dataexplorer-dev.azurewebsites.net/redirectBridge.html";
+  }
+  const basePath = window.location.pathname.startsWith("/mpac/") ? "/mpac" : "";
+  return `${window.location.origin}${basePath}/redirectBridge.html`;
+}
+
+export function getPostLogoutRedirectUrl(): string {
+  if (process.env.NODE_ENV === "development") {
+    return "https://dataexplorer-dev.azurewebsites.net/hostedExplorer.html";
+  }
+  const basePath = window.location.pathname.startsWith("/mpac/") ? "/mpac" : "";
+  return `${window.location.origin}${basePath}`;
+}
+
 export async function getMsalInstance() {
   // Compute the redirect bridge URL for MSAL v5 COOP handling
-  const redirectBridgeUrl =
-    process.env.NODE_ENV === "development"
-      ? "https://dataexplorer-dev.azurewebsites.net/redirectBridge.html"
-      : `${window.location.origin}/redirectBridge.html`;
+  const redirectBridgeUrl = getRedirectBridgeUrl();
 
   const msalConfig: msal.Configuration = {
     cache: {
diff --git a/src/hooks/useAADAuth.ts b/src/hooks/useAADAuth.ts
index 062455793..7a5bd2086 100644
--- a/src/hooks/useAADAuth.ts
+++ b/src/hooks/useAADAuth.ts
@@ -2,7 +2,12 @@ import * as msal from "@azure/msal-browser";
 import { useBoolean } from "@fluentui/react-hooks";
 import * as React from "react";
 import { ConfigContext } from "../ConfigContext";
-import { acquireTokenWithMsal, getMsalInstance } from "../Utils/AuthorizationUtils";
+import {
+  acquireTokenWithMsal,
+  getMsalInstance,
+  getPostLogoutRedirectUrl,
+  getRedirectBridgeUrl,
+} from "../Utils/AuthorizationUtils";
 
 const cachedTenantId = localStorage.getItem("cachedTenantId");
 
@@ -59,10 +64,7 @@ export function useAADAuth(config?: ConfigContext): ReturnType {
       return;
     }
     // Use redirect bridge for MSAL v5 COOP handling
-    const redirectBridgeUrl =
-      process.env.NODE_ENV === "development"
-        ? "https://dataexplorer-dev.azurewebsites.net/redirectBridge.html"
-        : `${window.location.origin}/redirectBridge.html`;
+    const redirectBridgeUrl = getRedirectBridgeUrl();
 
     try {
       const response = await msalInstance.loginPopup({
@@ -87,10 +89,7 @@ export function useAADAuth(config?: ConfigContext): ReturnType {
     setLoggedOut();
     localStorage.removeItem("cachedTenantId");
     // Redirect back to the hosted explorer after logout
-    const postLogoutRedirectUri =
-      process.env.NODE_ENV === "development"
-        ? "https://dataexplorer-dev.azurewebsites.net/hostedExplorer.html"
-        : `${window.location.origin}`;
+    const postLogoutRedirectUri = getPostLogoutRedirectUrl();
     msalInstance.logoutRedirect({ postLogoutRedirectUri });
   }, [msalInstance]);
 
@@ -100,10 +99,7 @@ export function useAADAuth(config?: ConfigContext): ReturnType {
         return;
       }
       // Use redirect bridge for MSAL v5 COOP handling
-      const redirectBridgeUrl =
-        process.env.NODE_ENV === "development"
-          ? "https://dataexplorer-dev.azurewebsites.net/redirectBridge.html"
-          : `${window.location.origin}/redirectBridge.html`;
+      const redirectBridgeUrl = getRedirectBridgeUrl();
       try {
         const response = await msalInstance.loginPopup({
           redirectUri: redirectBridgeUrl,