diff --git a/integ_tests/common.py b/integ_tests/common.py
index 9b344020..4f758238 100644
--- a/integ_tests/common.py
+++ b/integ_tests/common.py
@@ -30,21 +30,43 @@ from typing import Any, Generator, Optional
 from playwright.sync_api import BrowserContext, Page
 
 
+from enum import Enum
+
+
+class AuthType(Enum):
+    HTPASSWD = "htpasswd"
+    XREMOTE = "http_x_remote_user"
+
+
+class SharingType(Enum):
+    SHARING = "sharing"
+    NOSHARING = "nosharing"
+
+
 @dataclass(frozen=True)
 class Config:
     name: str
-    auth_type: str
+    auth_type: AuthType
+    sharing_type: SharingType
     extra_config: str = ""
 
 
 SHARING_HTPASSWD = Config(
     name="sharing_htpasswd",
-    auth_type="htpasswd",
+    auth_type=AuthType.HTPASSWD,
+    sharing_type=SharingType.SHARING,
 )
 
 SHARING_XREMOTE = Config(
     name="sharing_xremote",
-    auth_type="http_x_remote_user",
+    auth_type=AuthType.XREMOTE,
+    sharing_type=SharingType.SHARING,
+)
+
+NOSHARE_HTPASSWD = Config(
+    name="noshare_htpasswd",
+    auth_type=AuthType.HTPASSWD,
+    sharing_type=SharingType.NOSHARING,
 )
 
 
@@ -71,10 +93,10 @@ hosts = 127.0.0.1:{port}
 [storage]
 filesystem_folder = {storage_path}
 [auth]
-type = {config.auth_type}
+type = {config.auth_type.value}
 """
         )
-        if config.auth_type == "htpasswd":
+        if config.auth_type == AuthType.HTPASSWD:
             f.write(f"htpasswd_filename = {user_path}\n")
             f.write("htpasswd_encryption = plain\n")
 
@@ -83,7 +105,11 @@ type = {config.auth_type}
 type = internal
 [headers]
 Content-Security-Policy = default-src 'self'; object-src 'none'
-[sharing]
+"""
+        )
+        if config.sharing_type == SharingType.SHARING:
+            f.write(
+                f"""[sharing]
 type = csv
 collection_by_map = true
 collection_by_token = true
@@ -93,12 +119,12 @@ permit_properties_overlay = true
 collection_by_bday = true
 permit_create_bday = true
 database_path = {sharing_path}
-
-{config.extra_config}
 """
-        )
+            )
 
-    if config.auth_type == "htpasswd":
+        f.write(f"\n{config.extra_config}\n")
+
+    if config.auth_type == AuthType.HTPASSWD:
         with open(user_path, "w") as f:
             f.write(
                 """admin:adminpassword
@@ -155,14 +181,14 @@ def login(
     config: Config = SHARING_HTPASSWD,
     context: Optional[BrowserContext] = None,
 ) -> None:
-    if config.auth_type == "http_x_remote_user":
+    if config.auth_type == AuthType.XREMOTE:
         if context is None:
             raise ValueError("context is required for http_x_remote_user login")
         context.set_extra_http_headers({"X-Remote-User": "admin"})
 
     page.goto(radicale_server)
 
-    if config.auth_type == "htpasswd":
+    if config.auth_type == AuthType.HTPASSWD:
         page.fill('#loginscene input[data-name="user"]', "admin")
         page.fill('#loginscene input[data-name="password"]', "adminpassword")
         page.click('button:has-text("Next")')
diff --git a/integ_tests/test_basic_operation.py b/integ_tests/test_basic_operation.py
index 1adc8731..d7f55d58 100644
--- a/integ_tests/test_basic_operation.py
+++ b/integ_tests/test_basic_operation.py
@@ -25,6 +25,7 @@ import pytest
 from playwright.sync_api import BrowserContext, Page, expect
 
 from integ_tests.common import (
+    NOSHARE_HTPASSWD,
     SHARING_HTPASSWD,
     SHARING_XREMOTE,
     Config,
@@ -40,7 +41,7 @@ def radicale_server(
     yield from start_radicale_server(tmp_path, config)
 
 
-@pytest.mark.parametrize("config", [SHARING_HTPASSWD, SHARING_XREMOTE])
+@pytest.mark.parametrize("config", [SHARING_HTPASSWD, SHARING_XREMOTE, NOSHARE_HTPASSWD])
 def test_index_html_loads(page: Page, radicale_server: str, config: Config) -> None:
     """Test that the index.html loads from the server."""
     console_msgs: list[str] = []
@@ -52,7 +53,7 @@ def test_index_html_loads(page: Page, radicale_server: str, config: Config) -> N
     assert len(errors) == 0
 
 
-@pytest.mark.parametrize("config", [SHARING_HTPASSWD, SHARING_XREMOTE])
+@pytest.mark.parametrize("config", [SHARING_HTPASSWD, SHARING_XREMOTE, NOSHARE_HTPASSWD])
 def test_user_login_works(
     context: BrowserContext, page: Page, radicale_server: str, config: Config
 ) -> None:
diff --git a/integ_tests/test_delete.py b/integ_tests/test_delete.py
index 8cd40a61..cb1b9c87 100644
--- a/integ_tests/test_delete.py
+++ b/integ_tests/test_delete.py
@@ -25,6 +25,7 @@ import pytest
 from playwright.sync_api import BrowserContext, Page, expect
 
 from integ_tests.common import (
+    NOSHARE_HTPASSWD,
     SHARING_HTPASSWD,
     SHARING_XREMOTE,
     Config,
@@ -41,7 +42,7 @@ def radicale_server(
     yield from start_radicale_server(tmp_path, config)
 
 
-@pytest.mark.parametrize("config", [SHARING_HTPASSWD, SHARING_XREMOTE])
+@pytest.mark.parametrize("config", [SHARING_HTPASSWD, SHARING_XREMOTE, NOSHARE_HTPASSWD])
 def test_delete_wrong_confirmation(
     context: BrowserContext, page: Page, radicale_server: str, config: Config
 ) -> None:
@@ -67,7 +68,7 @@ def test_delete_wrong_confirmation(
     expect(page.locator("#deleteconfirmationscene")).to_be_visible()
 
 
-@pytest.mark.parametrize("config", [SHARING_HTPASSWD, SHARING_XREMOTE])
+@pytest.mark.parametrize("config", [SHARING_HTPASSWD, SHARING_XREMOTE, NOSHARE_HTPASSWD])
 def test_delete_correct_confirmation(
     context: BrowserContext, page: Page, radicale_server: str, config: Config
 ) -> None:
diff --git a/integ_tests/test_download.py b/integ_tests/test_download.py
index e7adaaf4..bcbd8544 100644
--- a/integ_tests/test_download.py
+++ b/integ_tests/test_download.py
@@ -24,6 +24,7 @@ import pytest
 from playwright.sync_api import BrowserContext, Page
 
 from integ_tests.common import (
+    NOSHARE_HTPASSWD,
     SHARING_HTPASSWD,
     SHARING_XREMOTE,
     Config,
@@ -32,7 +33,9 @@ from integ_tests.common import (
 )
 
 
-@pytest.fixture(params=[SHARING_HTPASSWD, SHARING_XREMOTE], ids=lambda c: c.name)
+@pytest.fixture(
+    params=[SHARING_HTPASSWD, SHARING_XREMOTE, NOSHARE_HTPASSWD], ids=lambda c: c.name
+)
 def config(request: pytest.FixtureRequest) -> Config:
     return request.param
 
diff --git a/integ_tests/test_edit.py b/integ_tests/test_edit.py
index c7fda8bd..70b1b7f9 100644
--- a/integ_tests/test_edit.py
+++ b/integ_tests/test_edit.py
@@ -25,6 +25,7 @@ import pytest
 from playwright.sync_api import BrowserContext, Page, expect
 
 from integ_tests.common import (
+    NOSHARE_HTPASSWD,
     SHARING_HTPASSWD,
     SHARING_XREMOTE,
     Config,
@@ -34,7 +35,9 @@ from integ_tests.common import (
 )
 
 
-@pytest.fixture(params=[SHARING_HTPASSWD, SHARING_XREMOTE], ids=lambda c: c.name)
+@pytest.fixture(
+    params=[SHARING_HTPASSWD, SHARING_XREMOTE, NOSHARE_HTPASSWD], ids=lambda c: c.name
+)
 def config(request: pytest.FixtureRequest) -> Config:
     return request.param
 
diff --git a/integ_tests/test_scenes.py b/integ_tests/test_scenes.py
index 16e5274a..67cb7d64 100644
--- a/integ_tests/test_scenes.py
+++ b/integ_tests/test_scenes.py
@@ -25,6 +25,7 @@ import pytest
 from playwright.sync_api import BrowserContext, Page, expect
 
 from integ_tests.common import (
+    NOSHARE_HTPASSWD,
     SHARING_HTPASSWD,
     SHARING_XREMOTE,
     Config,
@@ -34,7 +35,9 @@ from integ_tests.common import (
 )
 
 
-@pytest.fixture(params=[SHARING_HTPASSWD, SHARING_XREMOTE], ids=lambda c: c.name)
+@pytest.fixture(
+    params=[SHARING_HTPASSWD, SHARING_XREMOTE, NOSHARE_HTPASSWD], ids=lambda c: c.name
+)
 def config(request: pytest.FixtureRequest) -> Config:
     return request.param
 
diff --git a/integ_tests/test_scenes_login.py b/integ_tests/test_scenes_login.py
index 6ccc08d6..fec13bf7 100644
--- a/integ_tests/test_scenes_login.py
+++ b/integ_tests/test_scenes_login.py
@@ -24,17 +24,30 @@ from typing import Any, Generator
 import pytest
 from playwright.sync_api import Page, expect
 
-from integ_tests.common import SHARING_HTPASSWD, login, start_radicale_server
+from integ_tests.common import (
+    NOSHARE_HTPASSWD,
+    SHARING_HTPASSWD,
+    Config,
+    login,
+    start_radicale_server,
+)
+
+
+@pytest.fixture(params=[SHARING_HTPASSWD, NOSHARE_HTPASSWD], ids=lambda c: c.name)
+def config(request: pytest.FixtureRequest) -> Config:
+    return request.param
 
 
 @pytest.fixture
-def radicale_server(tmp_path: pathlib.Path) -> Generator[str, Any, None]:
-    yield from start_radicale_server(tmp_path, SHARING_HTPASSWD)
+def radicale_server(
+    tmp_path: pathlib.Path, config: Config
+) -> Generator[str, Any, None]:
+    yield from start_radicale_server(tmp_path, config)
 
 
-def test_login_logout_login(page: Page, radicale_server: str) -> None:
+def test_login_logout_login(page: Page, radicale_server: str, config: Config) -> None:
     # 1. First login
-    login(page, radicale_server, SHARING_HTPASSWD)
+    login(page, radicale_server, config)
     expect(page.locator("#collectionsscene")).to_be_visible()
 
     # 2. Logout
@@ -43,5 +56,5 @@ def test_login_logout_login(page: Page, radicale_server: str) -> None:
     expect(page.locator("#collectionsscene")).to_be_hidden()
 
     # 3. Second login
-    login(page, radicale_server, SHARING_HTPASSWD)
+    login(page, radicale_server, config)
     expect(page.locator("#collectionsscene")).to_be_visible()
diff --git a/integ_tests/test_upload.py b/integ_tests/test_upload.py
index fcb6fb9d..876ae847 100644
--- a/integ_tests/test_upload.py
+++ b/integ_tests/test_upload.py
@@ -26,6 +26,7 @@ import pytest
 from playwright.sync_api import BrowserContext, Page, expect
 
 from integ_tests.common import (
+    NOSHARE_HTPASSWD,
     SHARING_HTPASSWD,
     SHARING_XREMOTE,
     Config,
@@ -34,7 +35,9 @@ from integ_tests.common import (
 )
 
 
-@pytest.fixture(params=[SHARING_HTPASSWD, SHARING_XREMOTE], ids=lambda c: c.name)
+@pytest.fixture(
+    params=[SHARING_HTPASSWD, SHARING_XREMOTE, NOSHARE_HTPASSWD], ids=lambda c: c.name
+)
 def config(request: pytest.FixtureRequest) -> Config:
     return request.param
 
diff --git a/radicale/web/internal_data/js/api/sharing.js b/radicale/web/internal_data/js/api/sharing.js
index bdfa2587..4a9a3e9f 100644
--- a/radicale/web/internal_data/js/api/sharing.js
+++ b/radicale/web/internal_data/js/api/sharing.js
@@ -182,7 +182,10 @@ export function reload_sharing_list(user, password, collection, callback) {
             let shares = (parsed["Content"] || []).map((/** @type {ShareData} */ data) => new Share(data));
             callback(shares, null);
         },
-        null, // on_not_found
+        function () {
+            // sharing is disabled on the server
+            callback([], null);
+        },
         function (error) {
             callback([], error);
         },
diff --git a/radicale/web/internal_data/js/scenes/ShareCollectionScene.js b/radicale/web/internal_data/js/scenes/ShareCollectionScene.js
index 617ede89..96dd459d 100644
--- a/radicale/web/internal_data/js/scenes/ShareCollectionScene.js
+++ b/radicale/web/internal_data/js/scenes/ShareCollectionScene.js
@@ -270,11 +270,24 @@ export function maybe_enable_sharing_options(features) {
   let map_is_enabled = features.sharing.FeatureEnabledCollectionByMap || false;
   let token_is_enabled = features.sharing.FeatureEnabledCollectionByToken || false;
   let bday_is_enabled = features.sharing.FeatureEnabledCollectionByBday || false;
-  if (map_is_enabled || token_is_enabled || bday_is_enabled) {
-    let share_options = document.querySelectorAll("[data-name=shareoption]");
-    for (let i = 0; i < share_options.length; i++) {
-      let share_option = share_options[i];
+  let any_sharing_enabled = map_is_enabled || token_is_enabled || bday_is_enabled;
+
+  let share_options = document.querySelectorAll("[data-name=shareoption]");
+  for (let i = 0; i < share_options.length; i++) {
+    let share_option = share_options[i];
+    if (any_sharing_enabled) {
       share_option.classList.remove("hidden");
+    } else {
+      share_option.classList.add("hidden");
+    }
+  }
+
+  let incomingshares_btn = document.querySelector("#collectionsscene [data-name=incomingshares]");
+  if (incomingshares_btn) {
+    if (any_sharing_enabled) {
+      incomingshares_btn.classList.remove("hidden");
+    } else {
+      incomingshares_btn.classList.add("hidden");
     }
   }
 }