diff --git a/src/data/constants.js b/src/data/constants.js
index 65c330ef6d..6e97135e33 100644
--- a/src/data/constants.js
+++ b/src/data/constants.js
@@ -53,3 +53,7 @@ export const VisibilityTypes = /** @type {const} */ ({
   UNSCHEDULED: 'unscheduled',
   NEEDS_ATTENTION: 'needs_attention',
 });
+
+export const TOTAL_LENGTH_KEY = 'total-length';
+
+export const MAX_TOTAL_LENGTH = 65;
diff --git a/src/generic/create-or-rerun-course/CreateOrRerunCourseForm.jsx b/src/generic/create-or-rerun-course/CreateOrRerunCourseForm.jsx
index cffbf53f24..36bafc5974 100644
--- a/src/generic/create-or-rerun-course/CreateOrRerunCourseForm.jsx
+++ b/src/generic/create-or-rerun-course/CreateOrRerunCourseForm.jsx
@@ -16,7 +16,7 @@ import TypeaheadDropdown from '../../editors/sharedComponents/TypeaheadDropdown'
 
 import AlertMessage from '../alert-message';
 import { STATEFUL_BUTTON_STATES } from '../../constants';
-import { RequestStatus } from '../../data/constants';
+import { RequestStatus, TOTAL_LENGTH_KEY } from '../../data/constants';
 import { getSavingStatus } from '../data/selectors';
 import { getStudioHomeData } from '../../studio-home/data/selectors';
 import { updatePostErrors } from '../data/slice';
@@ -132,6 +132,8 @@ const CreateOrRerunCourseForm = ({
     },
   ];
 
+  const errorMessage = errors[TOTAL_LENGTH_KEY] || postErrors?.errMsg;
+
   const createButtonState = {
     labels: {
       default: intl.formatMessage(isCreateNewCourse ? messages.createButton : messages.rerunCreateButton),
@@ -202,11 +204,11 @@ const CreateOrRerunCourseForm = ({
   return (
     <div className="create-or-rerun-course-form">
       <TransitionReplace>
-        {showErrorBanner ? (
+        {(errors[TOTAL_LENGTH_KEY] || showErrorBanner) ? (
           <AlertMessage
             variant="danger"
             icon={InfoIcon}
-            title={postErrors.errMsg}
+            title={errorMessage}
             aria-hidden="true"
             aria-labelledby={intl.formatMessage(
               messages.alertErrorExistsAriaLabelledBy,
diff --git a/src/generic/create-or-rerun-course/CreateOrRerunCourseForm.test.jsx b/src/generic/create-or-rerun-course/CreateOrRerunCourseForm.test.jsx
index 6b7ab0d7dd..9b88f3e840 100644
--- a/src/generic/create-or-rerun-course/CreateOrRerunCourseForm.test.jsx
+++ b/src/generic/create-or-rerun-course/CreateOrRerunCourseForm.test.jsx
@@ -192,6 +192,28 @@ describe('<CreateOrRerunCourseForm />', () => {
     expect(rerunBtn).toBeDisabled();
   });
 
+  it('shows error message when total length exceeds 65 characters', async () => {
+    const updatedProps = {
+      ...props,
+      initialValues: {
+        displayName: 'Long Title Course',
+        org: 'long-org',
+        number: 'number',
+        run: '2024',
+      },
+    };
+
+    render(<RootWrapper {...updatedProps} />);
+    await mockStore();
+    const numberInput = screen.getByPlaceholderText(messages.courseNumberPlaceholder.defaultMessage);
+
+    fireEvent.change(numberInput, { target: { value: 'long-name-which-is-longer-than-65-characters-to-check-for-errors' } });
+
+    waitFor(() => {
+      expect(screen.getByText(messages.totalLengthError)).toBeInTheDocument();
+    });
+  });
+
   it('should be disabled create button if form has error', async () => {
     render(<RootWrapper {...props} />);
     await mockStore();
diff --git a/src/generic/create-or-rerun-course/hooks.jsx b/src/generic/create-or-rerun-course/hooks.jsx
index a5c5196a80..2c0a8d0b71 100644
--- a/src/generic/create-or-rerun-course/hooks.jsx
+++ b/src/generic/create-or-rerun-course/hooks.jsx
@@ -6,7 +6,7 @@ import * as Yup from 'yup';
 import { useNavigate } from 'react-router-dom';
 
 import { REGEX_RULES } from '../../constants';
-import { RequestStatus } from '../../data/constants';
+import { RequestStatus, MAX_TOTAL_LENGTH, TOTAL_LENGTH_KEY } from '../../data/constants';
 import { getStudioHomeData } from '../../studio-home/data/selectors';
 import {
   getRedirectUrlObj,
@@ -60,6 +60,12 @@ const useCreateOrRerunCourse = (initialValues) => {
         intl.formatMessage(messages.disallowedCharsError),
       )
       .matches(noSpaceRule, intl.formatMessage(messages.noSpaceError)),
+  }).test(TOTAL_LENGTH_KEY, intl.formatMessage(messages.totalLengthError), function validateTotalLength() {
+    const { org, number, run } = this?.options.originalValue || {};
+    if ((org?.length || 0) + (number?.length || 0) + (run?.length || 0) > MAX_TOTAL_LENGTH) {
+      return this.createError({ path: TOTAL_LENGTH_KEY, message: intl.formatMessage(messages.totalLengthError) });
+    }
+    return true;
   });
 
   const {
diff --git a/src/generic/create-or-rerun-course/messages.js b/src/generic/create-or-rerun-course/messages.js
index 16a07af20e..194271d544 100644
--- a/src/generic/create-or-rerun-course/messages.js
+++ b/src/generic/create-or-rerun-course/messages.js
@@ -1,4 +1,5 @@
 import { defineMessages } from '@edx/frontend-platform/i18n';
+import { MAX_TOTAL_LENGTH } from '../../data/constants';
 
 const messages = defineMessages({
   courseDisplayNameLabel: {
@@ -117,6 +118,10 @@ const messages = defineMessages({
     id: 'course-authoring.create-or-rerun-course.no-space.error',
     defaultMessage: 'Please do not use any spaces in this field.',
   },
+  totalLengthError: {
+    id: 'course-authoring.create-or-rerun-course.total-length-error.error',
+    defaultMessage: `The combined length of the organization, course number and course run fields cannot be more than ${MAX_TOTAL_LENGTH} characters.`,
+  },
   alertErrorExistsAriaLabelledBy: {
     id: 'course-authoring.create-or-rerun-course.error.already-exists.labelledBy',
     defaultMessage: 'alert-already-exists-title',