diff --git a/extensions/microsoft-authentication/package.json b/extensions/microsoft-authentication/package.json
index 0e92f035015..01371bb83bc 100644
--- a/extensions/microsoft-authentication/package.json
+++ b/extensions/microsoft-authentication/package.json
@@ -35,6 +35,7 @@
         "label": "Microsoft",
         "id": "microsoft",
         "authorizationServerGlobs": [
+          "https://login.microsoftonline.com/*",
           "https://login.microsoftonline.com/*/v2.0"
         ]
       },
diff --git a/extensions/microsoft-authentication/src/common/test/scopeData.test.ts b/extensions/microsoft-authentication/src/common/test/scopeData.test.ts
index 9c057c359c0..3dc9d95aa14 100644
--- a/extensions/microsoft-authentication/src/common/test/scopeData.test.ts
+++ b/extensions/microsoft-authentication/src/common/test/scopeData.test.ts
@@ -102,4 +102,10 @@ suite('ScopeData', () => {
 		const scopeData = new ScopeData(['custom_scope', 'VSCODE_TENANT:scope_tenant'], undefined, authorizationServer);
 		assert.strictEqual(scopeData.tenant, 'url_tenant');
 	});
+
+	test('should extract tenant from v1.0 authorization server URL path', () => {
+		const authorizationServer = Uri.parse('https://login.microsoftonline.com/tenant123');
+		const scopeData = new ScopeData(['custom_scope'], undefined, authorizationServer);
+		assert.strictEqual(scopeData.tenant, 'tenant123');
+	});
 });
diff --git a/extensions/microsoft-authentication/src/extensionV1.ts b/extensions/microsoft-authentication/src/extensionV1.ts
index 9956ede25e1..02248dd989d 100644
--- a/extensions/microsoft-authentication/src/extensionV1.ts
+++ b/extensions/microsoft-authentication/src/extensionV1.ts
@@ -171,6 +171,7 @@ export async function activate(context: vscode.ExtensionContext, telemetryReport
 		{
 			supportsMultipleAccounts: true,
 			supportedAuthorizationServers: [
+				vscode.Uri.parse('https://login.microsoftonline.com/*'),
 				vscode.Uri.parse('https://login.microsoftonline.com/*/v2.0')
 			]
 		}
diff --git a/extensions/microsoft-authentication/src/extensionV2.ts b/extensions/microsoft-authentication/src/extensionV2.ts
index 3469c85a6aa..bafc8454f8c 100644
--- a/extensions/microsoft-authentication/src/extensionV2.ts
+++ b/extensions/microsoft-authentication/src/extensionV2.ts
@@ -83,6 +83,7 @@ export async function activate(context: ExtensionContext, mainTelemetryReporter:
 			supportsMultipleAccounts: true,
 			supportsChallenges: true,
 			supportedAuthorizationServers: [
+				Uri.parse('https://login.microsoftonline.com/*'),
 				Uri.parse('https://login.microsoftonline.com/*/v2.0')
 			]
 		}