diff --git a/src/ConfigContext.ts b/src/ConfigContext.ts
index aed67e919..9a1ae0acc 100644
--- a/src/ConfigContext.ts
+++ b/src/ConfigContext.ts
@@ -2,7 +2,6 @@ import { JunoEndpoints } from "Common/Constants";
 import {
   allowedAadEndpoints,
   allowedArcadiaEndpoints,
-  allowedArcadiaLivyDnsZones,
   allowedArmEndpoints,
   allowedBackendEndpoints,
   allowedEmulatorEndpoints,
@@ -141,15 +140,6 @@ export function updateConfigContext(newContext: Partial<ConfigContext>): void {
     delete newContext.ARCADIA_ENDPOINT;
   }
 
-  if (
-    !validateEndpoint(
-      newContext.ARCADIA_LIVY_ENDPOINT_DNS_ZONE,
-      allowedArcadiaLivyDnsZones.map((endpoint) => endpoint)
-    )
-  ) {
-    delete newContext.ARCADIA_LIVY_ENDPOINT_DNS_ZONE;
-  }
-
   if (
     !validateEndpoint(
       newContext.BACKEND_ENDPOINT,
diff --git a/src/Utils/EndpointValidation.ts b/src/Utils/EndpointValidation.ts
index 2b255f3fa..2c71648ad 100644
--- a/src/Utils/EndpointValidation.ts
+++ b/src/Utils/EndpointValidation.ts
@@ -45,14 +45,14 @@ export const allowedEmulatorEndpoints: ReadonlyArray<string> = ["https://localho
 
 export const allowedMongoBackendEndpoints: ReadonlyArray<string> = ["https://localhost:1234"];
 
-export const allowedGraphEndpoints: ReadonlyArray<string> = [];
+export const allowedGraphEndpoints: ReadonlyArray<string> = ["https://graph.windows.net"];
 
-export const allowedArcadiaEndpoints: ReadonlyArray<string> = [];
+export const allowedArcadiaEndpoints: ReadonlyArray<string> = ["https://workspaceartifacts.projectarcadia.net"];
 
-export const allowedArcadiaLivyDnsZones: ReadonlyArray<string> = [];
+export const allowedHostedExplorerEndpoints: ReadonlyArray<string> = ["https://cosmos.azure.com/"];
 
-export const allowedHostedExplorerEndpoints: ReadonlyArray<string> = [];
-
-export const allowedMsalRedirectEndpoints: ReadonlyArray<string> = [];
+export const allowedMsalRedirectEndpoints: ReadonlyArray<string> = [
+  "https://cosmos-explorer-preview.azurewebsites.net/",
+];
 
 export const allowedNotebookServerUrls: ReadonlyArray<string> = [];