diff --git a/libraries/botbuilder/src/botFrameworkAdapter.ts b/libraries/botbuilder/src/botFrameworkAdapter.ts
index 87adeb34b6..a38b00c7cb 100644
--- a/libraries/botbuilder/src/botFrameworkAdapter.ts
+++ b/libraries/botbuilder/src/botFrameworkAdapter.ts
@@ -9,7 +9,7 @@
 import * as z from 'zod';
 import { BotFrameworkHttpAdapter } from './botFrameworkHttpAdapter';
 import { ConnectorClientBuilder, Request, Response, ResponseT, WebRequest, WebResponse } from './interfaces';
-import { HttpClient, userAgentPolicy } from '@azure/ms-rest-js';
+import { HttpClient, RequestPolicyFactory, userAgentPolicy } from '@azure/ms-rest-js';
 import { INodeBufferT, INodeSocketT, LogicT } from './zod';
 import { arch, release, type } from 'os';
 import { delay, retry } from 'botbuilder-stdlib';
@@ -1514,6 +1514,17 @@ export class BotFrameworkAdapter
             value: `${USER_AGENT}${userAgent ?? ''}`,
         });
 
+        const acceptHeader: RequestPolicyFactory = {
+            create:(nextPolicy) => ({
+                sendRequest: (httpRequest)=>{
+                    if(!httpRequest.headers.contains('accept')) {
+                        httpRequest.headers.set('accept', '*/*');
+                    }
+                    return nextPolicy.sendRequest(httpRequest);
+                }
+            })
+        };
+
         // Resolve any user request policy factories, then include our user agent via a factory policy
         options.requestPolicyFactories = (defaultRequestPolicyFactories) => {
             let defaultFactories = [];
@@ -1530,11 +1541,11 @@ export class BotFrameworkAdapter
 
                 // If the user has supplied custom factories, allow them to optionally set user agent
                 // before we do.
-                defaultFactories = [...defaultFactories, setUserAgent];
+                defaultFactories = [...defaultFactories, acceptHeader, setUserAgent];
             } else {
                 // In the case that there are no user supplied factories, inject our user agent as
                 // the first policy to ensure none of the default policies override it.
-                defaultFactories = [setUserAgent, ...defaultRequestPolicyFactories];
+                defaultFactories = [acceptHeader, setUserAgent, ...defaultRequestPolicyFactories];
             }
 
             return defaultFactories;
diff --git a/libraries/botbuilder/tests/botFrameworkAdapter.test.js b/libraries/botbuilder/tests/botFrameworkAdapter.test.js
index ac71f94c0a..e05aff54e9 100644
--- a/libraries/botbuilder/tests/botFrameworkAdapter.test.js
+++ b/libraries/botbuilder/tests/botFrameworkAdapter.test.js
@@ -524,6 +524,34 @@ describe('BotFrameworkAdapter', function () {
             });
         });
 
+        it('ConnectorClient should add requestPolicyFactory for accept header', async function () {
+            let hasAcceptHeader = false;
+            const mockNextPolicy = {
+                create: (innerPolicy) => ({
+                }),
+                sendRequest: (httpRequest) => {
+                    return {};
+                }
+            };
+            const client = new BotFrameworkAdapter().createConnectorClient('https://localhost')
+            var length = client._requestPolicyFactories.length;
+            for (var i = 0; i < length; i++) {
+                var mockHttp = { 
+                    headers: new HttpHeaders()
+                };
+
+                var result = client._requestPolicyFactories[i].create(mockNextPolicy);
+
+                result.sendRequest(mockHttp);
+                if(mockHttp.headers.get("accept") == "*/*") {
+                    hasAcceptHeader = true;
+                    break;
+                }
+            }
+
+            assert(hasAcceptHeader, 'accept header from connector client should be */*');
+        });
+
         it('createConnectorClientWithIdentity should throw without identity', async function () {
             const adapter = new BotFrameworkAdapter();
             await assert.rejects(
diff --git a/libraries/botframework-connector/src/auth/connectorFactoryImpl.ts b/libraries/botframework-connector/src/auth/connectorFactoryImpl.ts
index c5873ac771..aa81c24253 100644
--- a/libraries/botframework-connector/src/auth/connectorFactoryImpl.ts
+++ b/libraries/botframework-connector/src/auth/connectorFactoryImpl.ts
@@ -1,7 +1,7 @@
 // Copyright (c) Microsoft Corporation.
 // Licensed under the MIT License.
 
-import { getDefaultUserAgentValue, userAgentPolicy } from '@azure/ms-rest-js';
+import { getDefaultUserAgentValue, RequestPolicyFactory, userAgentPolicy } from '@azure/ms-rest-js';
 import { ConnectorClient } from '../connectorApi/connectorClient';
 import { ConnectorClientOptions } from '../connectorApi/models';
 import { ConnectorFactory } from './connectorFactory';
@@ -50,6 +50,17 @@ export class ConnectorFactoryImpl extends ConnectorFactory {
             value: `${USER_AGENT}${userAgent ?? ''}`,
         });
 
+        const acceptHeader: RequestPolicyFactory = {
+            create: (nextPolicy) => ({
+                sendRequest: (httpRequest) => {
+                    if (!httpRequest.headers.contains('accept')) {
+                        httpRequest.headers.set('accept', '*/*');
+                    }
+                    return nextPolicy.sendRequest(httpRequest);
+                },
+            }),
+        };
+
         // Resolve any user request policy factories, then include our user agent via a factory policy
         options.requestPolicyFactories = (defaultRequestPolicyFactories) => {
             let defaultFactories = [];
@@ -66,11 +77,11 @@ export class ConnectorFactoryImpl extends ConnectorFactory {
 
                 // If the user has supplied custom factories, allow them to optionally set user agent
                 // before we do.
-                defaultFactories = [...defaultFactories, setUserAgent];
+                defaultFactories = [...defaultFactories, setUserAgent, acceptHeader];
             } else {
                 // In the case that there are no user supplied factories, inject our user agent as
                 // the first policy to ensure none of the default policies override it.
-                defaultFactories = [setUserAgent, ...defaultRequestPolicyFactories];
+                defaultFactories = [acceptHeader, setUserAgent, ...defaultRequestPolicyFactories];
             }
 
             return defaultFactories;
diff --git a/libraries/botframework-connector/tests/botFrameworkAuthenticationFactory.test.js b/libraries/botframework-connector/tests/botFrameworkAuthenticationFactory.test.js
index 5332f4aa27..d202f18ac8 100644
--- a/libraries/botframework-connector/tests/botFrameworkAuthenticationFactory.test.js
+++ b/libraries/botframework-connector/tests/botFrameworkAuthenticationFactory.test.js
@@ -11,6 +11,7 @@ const {
     PasswordServiceClientCredentialFactory,
     SkillValidation,
 } = require('..');
+const { HttpHeaders } = require('@azure/ms-rest-js');
 
 describe('BotFrameworkAuthenticationFactory', function () {
     it('should create anonymous BotFrameworkAuthentication', function () {
@@ -122,6 +123,7 @@ describe('BotFrameworkAuthenticationFactory', function () {
             assert.strictEqual(connectorFactory.credentialFactory, credsFactory);
 
             const connectorClient = await connectorFactory.create(HOST_SERVICE_URL, HOST_AUDIENCE);
+            assertHasAcceptHeader(connectorClient);
             assert.strictEqual(connectorClient.credentials.appId, APP_ID);
             assert.strictEqual(connectorClient.credentials.appPassword, APP_PASSWORD);
             assert.strictEqual(connectorClient.credentials.oAuthScope, HOST_AUDIENCE);
@@ -132,4 +134,31 @@ describe('BotFrameworkAuthenticationFactory', function () {
             assert.strictEqual(userTokenClient.client.credentials.appPassword, APP_PASSWORD);
         });
     });
+
+    function assertHasAcceptHeader(client) {
+        let hasAcceptHeader = false;
+        const mockNextPolicy = {
+            create: (_) => ({}),
+            sendRequest: (_) => {
+                return {};
+            },
+        };
+
+        const length = client._requestPolicyFactories.length;
+        for (let i = 0; i < length; i++) {
+            const mockHttp = {
+                headers: new HttpHeaders(),
+            };
+
+            const result = client._requestPolicyFactories[i].create(mockNextPolicy);
+
+            result.sendRequest(mockHttp);
+            if (mockHttp.headers.get('accept') == '*/*') {
+                hasAcceptHeader = true;
+                break;
+            }
+        }
+
+        assert(hasAcceptHeader, 'accept header from connector client should be */*');
+    }
 });