diff --git a/public/app/features/alerting/unified/components/import-to-gma/ConfirmConvertModal.tsx b/public/app/features/alerting/unified/components/import-to-gma/ConfirmConvertModal.tsx
index 84bb5ed4713..ea6fea591c4 100644
--- a/public/app/features/alerting/unified/components/import-to-gma/ConfirmConvertModal.tsx
+++ b/public/app/features/alerting/unified/components/import-to-gma/ConfirmConvertModal.tsx
@@ -4,7 +4,7 @@ import { ComponentProps } from 'react';
 import { useFormContext } from 'react-hook-form';
 
 import { locationService } from '@grafana/runtime';
-import { Alert, CodeEditor, ConfirmModal, Stack, Text, useStyles2 } from '@grafana/ui';
+import { Alert, CodeEditor, ConfirmModal, Modal, Stack, Text, useStyles2 } from '@grafana/ui';
 import { useAppNotification } from 'app/core/copy/appNotification';
 import { Trans, t } from 'app/core/internationalization';
 import { stringifyErrorLike } from 'app/features/alerting/unified/utils/misc';
@@ -12,6 +12,7 @@ import { RulerRulesConfigDTO } from 'app/types/unified-alerting-dto';
 
 import { trackImportToGMAError, trackImportToGMASuccess } from '../../Analytics';
 import { convertToGMAApi } from '../../api/convertToGMAApi';
+import { GRAFANA_ORIGIN_LABEL } from '../../utils/labels';
 import { createListFilterLink } from '../../utils/navigation';
 import { useGetRulerRules } from '../rule-editor/useAlertRuleSuggestions';
 
@@ -21,8 +22,22 @@ type ModalProps = Pick<ComponentProps<typeof ConfirmModal>, 'isOpen' | 'onDismis
   isOpen: boolean;
 };
 
+const AlertSomeRulesSkipped = () => (
+  <Alert
+    title={t('alerting.import-to-gma.confirm-modal.plugin-rules-warning.title', 'Some rules are excluded from import')}
+    severity="info"
+  >
+    <Text variant="body">
+      <Trans i18nKey="alerting.import-to-gma.confirm-modal.plugin-rules-warning.text">
+        We have detected that some rules are managed by plugins. These rules will not be imported.
+      </Trans>
+    </Text>
+  </Alert>
+);
+
 export const ConfirmConversionModal = ({ isOpen, onDismiss }: ModalProps) => {
   const { watch } = useFormContext<ImportFormValues>();
+  const styles = useStyles2(getStyles);
 
   const [
     targetFolder,
@@ -46,7 +61,11 @@ export const ConfirmConversionModal = ({ isOpen, onDismiss }: ModalProps) => {
   const { rulerRules } = useGetRulerRules(selectedDatasourceName || undefined);
   const [convert] = convertToGMAApi.useConvertToGMAMutation();
   const notifyApp = useAppNotification();
-  const rulerRulesToPayload = filterRulerRulesConfig(rulerRules, namespace, ruleGroup);
+  const { filteredConfig: rulerRulesToPayload, someRulesAreSkipped } = filterRulerRulesConfig(
+    rulerRules,
+    namespace,
+    ruleGroup
+  );
 
   async function onConvertConfirm() {
     try {
@@ -79,6 +98,28 @@ export const ConfirmConversionModal = ({ isOpen, onDismiss }: ModalProps) => {
     }
   }
 
+  const noRulesToImport = isEmpty(rulerRulesToPayload);
+  if (noRulesToImport) {
+    return (
+      <Modal
+        isOpen={isOpen}
+        title={t('alerting.import-to-gma.confirm-modal.no-rules-title', 'No rules to import')}
+        onDismiss={onDismiss}
+        onClickBackdrop={onDismiss}
+      >
+        <Stack direction="column" gap={2}>
+          {someRulesAreSkipped && <AlertSomeRulesSkipped />}
+          <Text>
+            {t(
+              'alerting.import-to-gma.confirm-modal.no-rules-body',
+              'There are no rules to import. Please select a different namespace or rule group.'
+            )}
+          </Text>
+        </Stack>
+      </Modal>
+    );
+  }
+
   // translations for texts in the modal
   const title = t('alerting.import-to-gma.confirm-modal.title', 'Confirm import');
   const confirmText = t('alerting.import-to-gma.confirm-modal.confirm', 'Yes, import');
@@ -88,6 +129,7 @@ export const ConfirmConversionModal = ({ isOpen, onDismiss }: ModalProps) => {
       title={title}
       confirmText={confirmText}
       confirmButtonVariant="primary"
+      modalClass={styles.modal}
       body={
         <Stack direction="column" gap={2}>
           <Alert title={t('alerting.to-gma.confirm-modal.title-warning', 'Warning')} severity="warning">
@@ -98,6 +140,7 @@ export const ConfirmConversionModal = ({ isOpen, onDismiss }: ModalProps) => {
               </Trans>
             </Text>
           </Alert>
+          {someRulesAreSkipped && <AlertSomeRulesSkipped />}
           <Text variant="h6">
             <Trans i18nKey="alerting.to-gma.confirm-modal.summary">
               These are the list of rules that will be imported:
@@ -116,8 +159,9 @@ function filterRulerRulesConfig(
   rulerRulesConfig: RulerRulesConfigDTO,
   namespace?: string,
   groupName?: string
-): RulerRulesConfigDTO {
+): { filteredConfig: RulerRulesConfigDTO; someRulesAreSkipped: boolean } {
   const filteredConfig: RulerRulesConfigDTO = {};
+  let someRulesAreSkipped = false;
 
   Object.entries(rulerRulesConfig).forEach(([ns, groups]) => {
     if (namespace && ns !== namespace) {
@@ -128,7 +172,21 @@ function filterRulerRulesConfig(
       if (groupName && group.name !== groupName) {
         return false;
       }
-      return true;
+
+      // Filter out rules that have the GRAFANA_ORIGIN_LABEL
+      const filteredRules = group.rules.filter((rule) => {
+        const hasGrafanaOriginLabel = rule.labels?.[GRAFANA_ORIGIN_LABEL];
+        if (hasGrafanaOriginLabel) {
+          someRulesAreSkipped = true;
+          return false;
+        }
+        return true;
+      });
+
+      return {
+        ...group,
+        rules: filteredRules,
+      };
     });
 
     if (filteredGroups.length > 0) {
@@ -136,7 +194,7 @@ function filterRulerRulesConfig(
     }
   });
 
-  return filteredConfig;
+  return { filteredConfig, someRulesAreSkipped };
 }
 
 function RulesPreview({ rules }: { rules: RulerRulesConfigDTO }) {
@@ -166,6 +224,6 @@ const getStyles = () => ({
     flex: '1 1 100%',
   }),
   modal: css({
-    width: '700px',
+    width: '800px',
   }),
 });
diff --git a/public/locales/en-US/grafana.json b/public/locales/en-US/grafana.json
index 5841d2beeb6..344fbbe00ec 100644
--- a/public/locales/en-US/grafana.json
+++ b/public/locales/en-US/grafana.json
@@ -1048,6 +1048,12 @@
       "alert-rules": "Alert rules",
       "confirm-modal": {
         "confirm": "Yes, import",
+        "no-rules-body": "There are no rules to import. Please select a different namespace or rule group.",
+        "no-rules-title": "No rules to import",
+        "plugin-rules-warning": {
+          "text": "We have detected that some rules are managed by plugins. These rules will not be imported.",
+          "title": "Some rules are excluded from import"
+        },
         "title": "Confirm import"
       },
       "datasource": {