diff --git a/app/scripts/modules/core/src/domain/IPipeline.ts b/app/scripts/modules/core/src/domain/IPipeline.ts
index 14b10531b86..fc8a32b9819 100644
--- a/app/scripts/modules/core/src/domain/IPipeline.ts
+++ b/app/scripts/modules/core/src/domain/IPipeline.ts
@@ -15,6 +15,7 @@ export interface IPipeline {
   lastModifiedBy?: string;
   locked?: IPipelineLock;
   limitConcurrent: boolean;
+  manualStartAlert?: IPipelineManualStartAlert;
   name: string;
   notifications?: INotification[];
   respectQuietPeriod?: boolean;
@@ -34,6 +35,11 @@ export interface IPipeline {
   updateTs?: number;
 }
 
+export interface IPipelineManualStartAlert {
+  type: 'danger' | 'warning' | 'info';
+  message: string;
+}
+
 export interface IPipelineLock {
   ui: boolean;
   allowUnlockUi?: boolean;
diff --git a/app/scripts/modules/core/src/pipeline/manualExecution/ManualPipelineExecutionModal.tsx b/app/scripts/modules/core/src/pipeline/manualExecution/ManualPipelineExecutionModal.tsx
index 39706eb73d1..6db7ddb7ec1 100644
--- a/app/scripts/modules/core/src/pipeline/manualExecution/ManualPipelineExecutionModal.tsx
+++ b/app/scripts/modules/core/src/pipeline/manualExecution/ManualPipelineExecutionModal.tsx
@@ -8,7 +8,7 @@ import { assign, clone, compact, extend, get, head, uniq, isArray, pickBy } from
 import { SubmitButton, ModalClose } from 'core/modal';
 import { Application } from 'core/application';
 import { AuthenticationService } from 'core/authentication';
-import { buildValidators, IModalComponentProps, ReactModal, SpinFormik } from 'core/presentation';
+import { buildValidators, IModalComponentProps, ReactModal, SpinFormik, Markdown } from 'core/presentation';
 import {
   IExecution,
   IExecutionTrigger,
@@ -325,6 +325,7 @@ export class ManualExecutionModal extends React.Component<IManualExecutionModalP
       triggerComponent,
       triggers,
     } = this.state;
+    const { manualStartAlert } = pipeline;
     const notifications = applicationNotifications.concat(pipelineNotifications);
     const pipelineCommand = this.generateInitialValues(pipeline);
     return (
@@ -365,6 +366,14 @@ export class ManualExecutionModal extends React.Component<IManualExecutionModalP
                 {currentPipelineExecutions.length > 0 && (
                   <CurrentlyRunningExecutions currentlyRunningExecutions={currentPipelineExecutions} />
                 )}
+                {manualStartAlert && (
+                  <Markdown
+                    className={`alert alert-${
+                      ['danger', 'warning', 'info'].includes(manualStartAlert.type) ? manualStartAlert.type : 'warning'
+                    }`}
+                    message={manualStartAlert.message}
+                  />
+                )}
                 {triggers && triggers.length > 0 && (
                   <Triggers
                     formik={formik}