diff --git a/x-pack/plugins/ingest_manager/common/types/models/output.ts b/x-pack/plugins/ingest_manager/common/types/models/output.ts
index cedf5e81f3cb6..f4ded50d7d474 100644
--- a/x-pack/plugins/ingest_manager/common/types/models/output.ts
+++ b/x-pack/plugins/ingest_manager/common/types/models/output.ts
@@ -15,8 +15,8 @@ export interface NewOutput {
   hosts?: string[];
   ca_sha256?: string;
   api_key?: string;
-  admin_username?: string;
-  admin_password?: string;
+  fleet_enroll_username?: string;
+  fleet_enroll_password?: string;
   config?: Record<string, any>;
 }
 
diff --git a/x-pack/plugins/ingest_manager/common/types/rest_spec/fleet_setup.ts b/x-pack/plugins/ingest_manager/common/types/rest_spec/fleet_setup.ts
index 2eda4f187dafa..dc1d748a8743a 100644
--- a/x-pack/plugins/ingest_manager/common/types/rest_spec/fleet_setup.ts
+++ b/x-pack/plugins/ingest_manager/common/types/rest_spec/fleet_setup.ts
@@ -9,8 +9,8 @@ export interface GetFleetSetupRequest {}
 
 export interface CreateFleetSetupRequest {
   body: {
-    admin_username: string;
-    admin_password: string;
+    fleet_enroll_username: string;
+    fleet_enroll_password: string;
   };
 }
 
diff --git a/x-pack/plugins/ingest_manager/dev_docs/schema/saved_objects.mml b/x-pack/plugins/ingest_manager/dev_docs/schema/saved_objects.mml
index bb6dbc1037201..373bd10ad6628 100644
--- a/x-pack/plugins/ingest_manager/dev_docs/schema/saved_objects.mml
+++ b/x-pack/plugins/ingest_manager/dev_docs/schema/saved_objects.mml
@@ -76,7 +76,7 @@ classDiagram
     ca_sha256
     config
     // Encrypted - user to create API keys
-    admin_username
-    admin_password
+    fleet_enroll_username
+    fleet_enroll_password
   }
 
diff --git a/x-pack/plugins/ingest_manager/server/saved_objects.ts b/x-pack/plugins/ingest_manager/server/saved_objects.ts
index 31cf173c3e4f9..b1a9d14ed6e86 100644
--- a/x-pack/plugins/ingest_manager/server/saved_objects.ts
+++ b/x-pack/plugins/ingest_manager/server/saved_objects.ts
@@ -102,8 +102,8 @@ export const savedObjectMappings = {
       ca_sha256: { type: 'keyword' },
       // FIXME_INGEST https://github.com/elastic/kibana/issues/56554
       api_key: { type: 'keyword' },
-      admin_username: { type: 'binary' },
-      admin_password: { type: 'binary' },
+      fleet_enroll_username: { type: 'binary' },
+      fleet_enroll_password: { type: 'binary' },
       config: { type: 'flattened' },
     },
   },
diff --git a/x-pack/plugins/ingest_manager/server/services/output.ts b/x-pack/plugins/ingest_manager/server/services/output.ts
index 8503bbb56ee84..aebb8188db0cc 100644
--- a/x-pack/plugins/ingest_manager/server/services/output.ts
+++ b/x-pack/plugins/ingest_manager/server/services/output.ts
@@ -60,13 +60,13 @@ class OutputService {
       .getEncryptedSavedObjects()
       ?.getDecryptedAsInternalUser<Output>(OUTPUT_SAVED_OBJECT_TYPE, defaultOutputId);
 
-    if (!so || !so.attributes.admin_username || !so.attributes.admin_password) {
+    if (!so || !so.attributes.fleet_enroll_username || !so.attributes.fleet_enroll_password) {
       return null;
     }
 
     return {
-      username: so!.attributes.admin_username,
-      password: so!.attributes.admin_password,
+      username: so!.attributes.fleet_enroll_username,
+      password: so!.attributes.fleet_enroll_password,
     };
   }
 
diff --git a/x-pack/plugins/ingest_manager/server/services/setup.ts b/x-pack/plugins/ingest_manager/server/services/setup.ts
index 340c63a06d34f..7311c46320f40 100644
--- a/x-pack/plugins/ingest_manager/server/services/setup.ts
+++ b/x-pack/plugins/ingest_manager/server/services/setup.ts
@@ -22,8 +22,8 @@ import { getPackageInfo } from './epm/packages';
 import { datasourceService } from './datasource';
 import { generateEnrollmentAPIKey } from './api_keys';
 
-const FLEET_ADMIN_USERNAME = 'fleet_enroll';
-const FLEET_ADMIN_ROLE = 'fleet_enroll';
+const FLEET_ENROLL_USERNAME = 'fleet_enroll';
+const FLEET_ENROLL_ROLE = 'fleet_enroll';
 
 export async function setupIngestManager(
   soClient: SavedObjectsClientContract,
@@ -73,7 +73,7 @@ export async function setupFleet(
   // This should be done directly in ES at some point
   await callCluster('transport.request', {
     method: 'PUT',
-    path: `/_security/role/${FLEET_ADMIN_ROLE}`,
+    path: `/_security/role/${FLEET_ENROLL_ROLE}`,
     body: {
       cluster: ['monitor', 'manage_api_key'],
       indices: [
@@ -88,17 +88,17 @@ export async function setupFleet(
   // Create fleet enroll user
   await callCluster('transport.request', {
     method: 'PUT',
-    path: `/_security/user/${FLEET_ADMIN_USERNAME}`,
+    path: `/_security/user/${FLEET_ENROLL_USERNAME}`,
     body: {
       password,
-      roles: [FLEET_ADMIN_ROLE],
+      roles: [FLEET_ENROLL_ROLE],
     },
   });
 
   // save fleet admin user
   await outputService.updateOutput(soClient, await outputService.getDefaultOutputId(soClient), {
-    admin_username: FLEET_ADMIN_USERNAME,
-    admin_password: password,
+    fleet_enroll_username: FLEET_ENROLL_USERNAME,
+    fleet_enroll_password: password,
   });
 
   // Generate default enrollment key
diff --git a/x-pack/plugins/ingest_manager/server/types/models/output.ts b/x-pack/plugins/ingest_manager/server/types/models/output.ts
index 8c8f4c76af7fe..36b945db2cbce 100644
--- a/x-pack/plugins/ingest_manager/server/types/models/output.ts
+++ b/x-pack/plugins/ingest_manager/server/types/models/output.ts
@@ -15,8 +15,8 @@ const OutputBaseSchema = {
   type: schema.oneOf([schema.literal(OutputType.Elasticsearch)]),
   hosts: schema.maybe(schema.arrayOf(schema.string())),
   api_key: schema.maybe(schema.string()),
-  admin_username: schema.maybe(schema.string()),
-  admin_password: schema.maybe(schema.string()),
+  fleet_enroll_username: schema.maybe(schema.string()),
+  fleet_enroll_password: schema.maybe(schema.string()),
   config: schema.maybe(schema.recordOf(schema.string(), schema.any())),
 };