diff --git a/homeassistant/components/backup/manager.py b/homeassistant/components/backup/manager.py
index 25393a872cc..afca501d450 100644
--- a/homeassistant/components/backup/manager.py
+++ b/homeassistant/components/backup/manager.py
@@ -560,8 +560,15 @@ class BackupManager:
             return_exceptions=True,
         )
         for idx, result in enumerate(list_backups_results):
+            agent_id = agent_ids[idx]
             if isinstance(result, BackupAgentError):
-                agent_errors[agent_ids[idx]] = result
+                agent_errors[agent_id] = result
+                continue
+            if isinstance(result, Exception):
+                agent_errors[agent_id] = result
+                LOGGER.error(
+                    "Unexpected error for %s: %s", agent_id, result, exc_info=result
+                )
                 continue
             if isinstance(result, BaseException):
                 raise result  # unexpected error
@@ -588,7 +595,7 @@ class BackupManager:
                         name=agent_backup.name,
                         with_automatic_settings=with_automatic_settings,
                     )
-                backups[backup_id].agents[agent_ids[idx]] = AgentBackupStatus(
+                backups[backup_id].agents[agent_id] = AgentBackupStatus(
                     protected=agent_backup.protected,
                     size=agent_backup.size,
                 )
@@ -611,8 +618,15 @@ class BackupManager:
             return_exceptions=True,
         )
         for idx, result in enumerate(get_backup_results):
+            agent_id = agent_ids[idx]
             if isinstance(result, BackupAgentError):
-                agent_errors[agent_ids[idx]] = result
+                agent_errors[agent_id] = result
+                continue
+            if isinstance(result, Exception):
+                agent_errors[agent_id] = result
+                LOGGER.error(
+                    "Unexpected error for %s: %s", agent_id, result, exc_info=result
+                )
                 continue
             if isinstance(result, BaseException):
                 raise result  # unexpected error
@@ -640,7 +654,7 @@ class BackupManager:
                     name=result.name,
                     with_automatic_settings=with_automatic_settings,
                 )
-            backup.agents[agent_ids[idx]] = AgentBackupStatus(
+            backup.agents[agent_id] = AgentBackupStatus(
                 protected=result.protected,
                 size=result.size,
             )
@@ -676,8 +690,15 @@ class BackupManager:
             return_exceptions=True,
         )
         for idx, result in enumerate(delete_backup_results):
+            agent_id = agent_ids[idx]
             if isinstance(result, BackupAgentError):
-                agent_errors[agent_ids[idx]] = result
+                agent_errors[agent_id] = result
+                continue
+            if isinstance(result, Exception):
+                agent_errors[agent_id] = result
+                LOGGER.error(
+                    "Unexpected error for %s: %s", agent_id, result, exc_info=result
+                )
                 continue
             if isinstance(result, BaseException):
                 raise result  # unexpected error
diff --git a/tests/components/backup/snapshots/test_websocket.ambr b/tests/components/backup/snapshots/test_websocket.ambr
index 421432fb66e..2f063262f34 100644
--- a/tests/components/backup/snapshots/test_websocket.ambr
+++ b/tests/components/backup/snapshots/test_websocket.ambr
@@ -3697,12 +3697,13 @@
 # ---
 # name: test_delete_with_errors[side_effect1-storage_data0]
   dict({
-    'error': dict({
-      'code': 'home_assistant_error',
-      'message': 'Boom!',
-    }),
     'id': 1,
-    'success': False,
+    'result': dict({
+      'agent_errors': dict({
+        'domain.test': 'Boom!',
+      }),
+    }),
+    'success': True,
     'type': 'result',
   })
 # ---
@@ -3757,12 +3758,13 @@
 # ---
 # name: test_delete_with_errors[side_effect1-storage_data1]
   dict({
-    'error': dict({
-      'code': 'home_assistant_error',
-      'message': 'Boom!',
-    }),
     'id': 1,
-    'success': False,
+    'result': dict({
+      'agent_errors': dict({
+        'domain.test': 'Boom!',
+      }),
+    }),
+    'success': True,
     'type': 'result',
   })
 # ---
@@ -4019,12 +4021,89 @@
 # ---
 # name: test_details_with_errors[side_effect0]
   dict({
-    'error': dict({
-      'code': 'home_assistant_error',
-      'message': 'Boom!',
-    }),
     'id': 1,
-    'success': False,
+    'result': dict({
+      'agent_errors': dict({
+        'domain.test': 'Oops',
+      }),
+      'backup': dict({
+        'addons': list([
+          dict({
+            'name': 'Test',
+            'slug': 'test',
+            'version': '1.0.0',
+          }),
+        ]),
+        'agents': dict({
+          'backup.local': dict({
+            'protected': False,
+            'size': 0,
+          }),
+        }),
+        'backup_id': 'abc123',
+        'database_included': True,
+        'date': '1970-01-01T00:00:00.000Z',
+        'extra_metadata': dict({
+          'instance_id': 'our_uuid',
+          'with_automatic_settings': True,
+        }),
+        'failed_agent_ids': list([
+        ]),
+        'folders': list([
+          'media',
+          'share',
+        ]),
+        'homeassistant_included': True,
+        'homeassistant_version': '2024.12.0',
+        'name': 'Test',
+        'with_automatic_settings': True,
+      }),
+    }),
+    'success': True,
+    'type': 'result',
+  })
+# ---
+# name: test_details_with_errors[side_effect1]
+  dict({
+    'id': 1,
+    'result': dict({
+      'agent_errors': dict({
+        'domain.test': 'Boom!',
+      }),
+      'backup': dict({
+        'addons': list([
+          dict({
+            'name': 'Test',
+            'slug': 'test',
+            'version': '1.0.0',
+          }),
+        ]),
+        'agents': dict({
+          'backup.local': dict({
+            'protected': False,
+            'size': 0,
+          }),
+        }),
+        'backup_id': 'abc123',
+        'database_included': True,
+        'date': '1970-01-01T00:00:00.000Z',
+        'extra_metadata': dict({
+          'instance_id': 'our_uuid',
+          'with_automatic_settings': True,
+        }),
+        'failed_agent_ids': list([
+        ]),
+        'folders': list([
+          'media',
+          'share',
+        ]),
+        'homeassistant_included': True,
+        'homeassistant_version': '2024.12.0',
+        'name': 'Test',
+        'with_automatic_settings': True,
+      }),
+    }),
+    'success': True,
     'type': 'result',
   })
 # ---
@@ -4542,12 +4621,105 @@
 # ---
 # name: test_info_with_errors[side_effect0]
   dict({
-    'error': dict({
-      'code': 'home_assistant_error',
-      'message': 'Boom!',
-    }),
     'id': 1,
-    'success': False,
+    'result': dict({
+      'agent_errors': dict({
+        'domain.test': 'Oops',
+      }),
+      'backups': list([
+        dict({
+          'addons': list([
+            dict({
+              'name': 'Test',
+              'slug': 'test',
+              'version': '1.0.0',
+            }),
+          ]),
+          'agents': dict({
+            'backup.local': dict({
+              'protected': False,
+              'size': 0,
+            }),
+          }),
+          'backup_id': 'abc123',
+          'database_included': True,
+          'date': '1970-01-01T00:00:00.000Z',
+          'extra_metadata': dict({
+            'instance_id': 'our_uuid',
+            'with_automatic_settings': True,
+          }),
+          'failed_agent_ids': list([
+          ]),
+          'folders': list([
+            'media',
+            'share',
+          ]),
+          'homeassistant_included': True,
+          'homeassistant_version': '2024.12.0',
+          'name': 'Test',
+          'with_automatic_settings': True,
+        }),
+      ]),
+      'last_attempted_automatic_backup': None,
+      'last_completed_automatic_backup': None,
+      'last_non_idle_event': None,
+      'next_automatic_backup': None,
+      'next_automatic_backup_additional': False,
+      'state': 'idle',
+    }),
+    'success': True,
+    'type': 'result',
+  })
+# ---
+# name: test_info_with_errors[side_effect1]
+  dict({
+    'id': 1,
+    'result': dict({
+      'agent_errors': dict({
+        'domain.test': 'Boom!',
+      }),
+      'backups': list([
+        dict({
+          'addons': list([
+            dict({
+              'name': 'Test',
+              'slug': 'test',
+              'version': '1.0.0',
+            }),
+          ]),
+          'agents': dict({
+            'backup.local': dict({
+              'protected': False,
+              'size': 0,
+            }),
+          }),
+          'backup_id': 'abc123',
+          'database_included': True,
+          'date': '1970-01-01T00:00:00.000Z',
+          'extra_metadata': dict({
+            'instance_id': 'our_uuid',
+            'with_automatic_settings': True,
+          }),
+          'failed_agent_ids': list([
+          ]),
+          'folders': list([
+            'media',
+            'share',
+          ]),
+          'homeassistant_included': True,
+          'homeassistant_version': '2024.12.0',
+          'name': 'Test',
+          'with_automatic_settings': True,
+        }),
+      ]),
+      'last_attempted_automatic_backup': None,
+      'last_completed_automatic_backup': None,
+      'last_non_idle_event': None,
+      'next_automatic_backup': None,
+      'next_automatic_backup_additional': False,
+      'state': 'idle',
+    }),
+    'success': True,
     'type': 'result',
   })
 # ---
diff --git a/tests/components/backup/test_websocket.py b/tests/components/backup/test_websocket.py
index 5af6d595938..263a36570e6 100644
--- a/tests/components/backup/test_websocket.py
+++ b/tests/components/backup/test_websocket.py
@@ -148,7 +148,8 @@ async def test_info(
 
 
 @pytest.mark.parametrize(
-    "side_effect", [HomeAssistantError("Boom!"), BackupAgentUnreachableError]
+    "side_effect",
+    [Exception("Oops"), HomeAssistantError("Boom!"), BackupAgentUnreachableError],
 )
 async def test_info_with_errors(
     hass: HomeAssistant,
@@ -209,7 +210,8 @@ async def test_details(
 
 
 @pytest.mark.parametrize(
-    "side_effect", [HomeAssistantError("Boom!"), BackupAgentUnreachableError]
+    "side_effect",
+    [Exception("Oops"), HomeAssistantError("Boom!"), BackupAgentUnreachableError],
 )
 async def test_details_with_errors(
     hass: HomeAssistant,
diff --git a/tests/components/hassio/test_backup.py b/tests/components/hassio/test_backup.py
index 0dd2adc99ed..7547e3e3586 100644
--- a/tests/components/hassio/test_backup.py
+++ b/tests/components/hassio/test_backup.py
@@ -661,8 +661,8 @@ async def test_agent_get_backup(
         (
             SupervisorBadRequestError("blah"),
             {
-                "success": False,
-                "error": {"code": "unknown_error", "message": "Unknown error"},
+                "success": True,
+                "result": {"agent_errors": {"hassio.local": "blah"}, "backup": None},
             },
         ),
         (
@@ -733,8 +733,8 @@ async def test_agent_delete_backup(
         (
             SupervisorBadRequestError("blah"),
             {
-                "success": False,
-                "error": {"code": "unknown_error", "message": "Unknown error"},
+                "success": True,
+                "result": {"agent_errors": {"hassio.local": "blah"}},
             },
         ),
         (