diff --git a/apps/files_external/lib/Controller/StoragesController.php b/apps/files_external/lib/Controller/StoragesController.php
index a0e120e28dd..aeb6e385bc3 100644
--- a/apps/files_external/lib/Controller/StoragesController.php
+++ b/apps/files_external/lib/Controller/StoragesController.php
@@ -236,7 +236,7 @@ abstract class StoragesController extends Controller {
 		} catch (StorageNotAvailableException $e) {
 			$storage->setStatus(
 				(int)$e->getCode(),
-				$this->l10n->t('%s', [$e->getMessage()])
+				$e->getMessage(),
 			);
 		} catch (\Exception $e) {
 			// FIXME: convert storage exceptions to StorageNotAvailableException
diff --git a/apps/files_external/lib/Service/BackendService.php b/apps/files_external/lib/Service/BackendService.php
index c3837ff02fc..63d73c6ee6b 100644
--- a/apps/files_external/lib/Service/BackendService.php
+++ b/apps/files_external/lib/Service/BackendService.php
@@ -263,7 +263,7 @@ class BackendService {
 	 * @param Backend $backend
 	 * @return bool
 	 */
-	protected function isAllowedUserBackend(Backend $backend): bool {
+	public function isAllowedUserBackend(Backend $backend): bool {
 		return ($this->isUserMountingAllowed() && array_intersect($backend->getIdentifierAliases(), $this->userMountingBackends));
 	}
 
diff --git a/apps/files_external/lib/Settings/Admin.php b/apps/files_external/lib/Settings/Admin.php
index 685094adca6..c3f8e175c72 100644
--- a/apps/files_external/lib/Settings/Admin.php
+++ b/apps/files_external/lib/Settings/Admin.php
@@ -27,14 +27,14 @@ class Admin implements ISettings {
 		private IInitialState $initialState,
 		private IURLGenerator $urlGenerator,
 	) {
+		$this->visibility = BackendService::VISIBILITY_ADMIN;
 	}
 
 	/**
 	 * @return TemplateResponse
 	 */
 	public function getForm() {
-		// Shared settings (user & admin)
-		$this->setInitialState(BackendService::VISIBILITY_ADMIN);
+		$this->setInitialState();
 
 		// Admin specific
 		$backends = $this->backendService->getAvailableBackends();
@@ -42,16 +42,6 @@ class Admin implements ISettings {
 		$this->initialState->provideInitialState('user-mounting', [
 			'allowUserMounting' => $this->backendService->isUserMountingAllowed(),
 			'allowedBackends' => array_values(array_map(fn (Backend $backend) => $backend->getIdentifier(), $allowedBackends)),
-			'backends' => array_values(
-				array_map(
-					fn (Backend $backend) => [
-						'id' => $backend->getIdentifier(),
-						'displayName' => $backend->getText(),
-						'deprecated' => $backend->getDeprecateTo()?->getIdentifier(),
-					],
-					$backends,
-				),
-			),
 		]);
 
 		$this->loadScriptsAndStyles();
diff --git a/apps/files_external/lib/Settings/CommonSettingsTrait.php b/apps/files_external/lib/Settings/CommonSettingsTrait.php
index dd5d7fa3796..03193374c05 100644
--- a/apps/files_external/lib/Settings/CommonSettingsTrait.php
+++ b/apps/files_external/lib/Settings/CommonSettingsTrait.php
@@ -12,28 +12,28 @@ use OCA\Files_External\Lib\Auth\Password\GlobalAuth;
 use OCA\Files_External\Lib\Backend\Backend;
 use OCA\Files_External\Service\BackendService;
 use OCP\AppFramework\Services\IInitialState;
+use OCP\Encryption\IManager;
 use OCP\IURLGenerator;
 use OCP\Util;
 
 trait CommonSettingsTrait {
 	private BackendService $backendService;
-
+	private IManager $encryptionManager;
 	private IInitialState $initialState;
-
 	private IURLGenerator $urlGenerator;
-
 	private GlobalAuth $globalAuth;
 
+	private int $visibility;
 	private ?string $userId = null;
+	/** @var Backend[]|null */
+	private ?array $backends = null;
 
 	/**
 	 * Set the initial state for the user / admin settings
-	 *
-	 * @param int $visibilityType The visibility type used to determine which options to show (admin vs user settings)
 	 */
-	protected function setInitialState(int $visibilityType) {
+	protected function setInitialState() {
 		$allowUserMounting = $this->backendService->isUserMountingAllowed();
-		$isAdmin = $visibilityType === BackendService::VISIBILITY_ADMIN;
+		$isAdmin = $this->visibility === BackendService::VISIBILITY_ADMIN;
 		$canCreateMounts = $isAdmin || $allowUserMounting;
 
 		$this->initialState->provideInitialState('settings', [
@@ -43,6 +43,7 @@ trait CommonSettingsTrait {
 			'dependencyIssues' => $canCreateMounts ? $this->dependencyMessage() : null,
 			/** Is this the admin settings or just user settings */
 			'isAdmin' => $isAdmin,
+			'hasEncryption' => $this->encryptionManager->isEnabled(),
 		]);
 
 		$this->initialState->provideInitialState(
@@ -54,24 +55,42 @@ trait CommonSettingsTrait {
 				$this->globalAuth->getAuth($this->userId ?? ''),
 			),
 		);
+
+		$this->initialState->provideInitialState(
+			'allowedBackends',
+			array_map(fn (Backend $backend) => $backend->getIdentifier(), $this->getAvailableBackends()),
+		);
+		$this->initialState->provideInitialState(
+			'backends',
+			array_values($this->backendService->getAvailableBackends()),
+		);
+		$this->initialState->provideInitialState(
+			'authMechanisms',
+			array_values($this->backendService->getAuthMechanisms()),
+		);
 	}
 
 	/**
 	 * Load the frontend script including the custom backend dependencies
 	 */
 	protected function loadScriptsAndStyles() {
+		Util::addStyle('files_external', 'init_settings');
+		Util::addInitScript('files_external', 'init_settings');
+
 		Util::addScript('files_external', 'settings');
 		Util::addStyle('files_external', 'settings');
 
 		// load custom JS
 		foreach ($this->backendService->getAvailableBackends() as $backend) {
 			foreach ($backend->getCustomJs() as $script) {
+				Util::addStyle('files_external', $script);
 				Util::addScript('files_external', $script);
 			}
 		}
-	
+
 		foreach ($this->backendService->getAuthMechanisms() as $authMechanism) {
 			foreach ($authMechanism->getCustomJs() as $script) {
+				Util::addStyle('files_external', $script);
 				Util::addScript('files_external', $script);
 			}
 		}
@@ -86,7 +105,7 @@ trait CommonSettingsTrait {
 		$dependencyGroups = [];
 
 		// Try all backends and check their dependencies
-		foreach ($this->backendService->getAvailableBackends() as $backend) {
+		foreach ($this->getAvailableBackends() as $backend) {
 			foreach ($backend->checkDependencies() as $dependency) {
 				$dependencyMessage = $dependency->getMessage();
 				if ($dependencyMessage !== null) {
@@ -108,4 +127,15 @@ trait CommonSettingsTrait {
 			'modules' => $missingModules,
 		];
 	}
+
+	private function getAvailableBackends(): array {
+		if ($this->backends === null) {
+			$backends = $this->backendService->getAvailableBackends();
+			if ($this->visibility === BackendService::VISIBILITY_PERSONAL) {
+				$backends = array_filter($backends, $this->backendService->isAllowedUserBackend(...));
+			}
+			$this->backends = array_values($backends);
+		}
+		return $this->backends;
+	}
 }
diff --git a/apps/files_external/lib/Settings/Personal.php b/apps/files_external/lib/Settings/Personal.php
index b84f5969fed..af38c6bff58 100644
--- a/apps/files_external/lib/Settings/Personal.php
+++ b/apps/files_external/lib/Settings/Personal.php
@@ -10,6 +10,7 @@ use OCA\Files_External\Lib\Auth\Password\GlobalAuth;
 use OCA\Files_External\Service\BackendService;
 use OCP\AppFramework\Http\TemplateResponse;
 use OCP\AppFramework\Services\IInitialState;
+use OCP\Encryption\IManager;
 use OCP\IURLGenerator;
 use OCP\Settings\ISettings;
 
@@ -22,23 +23,26 @@ class Personal implements ISettings {
 		private GlobalAuth $globalAuth,
 		private IInitialState $initialState,
 		private IURLGenerator $urlGenerator,
+		private IManager $encryptionManager,
 	) {
 		$this->userId = $userId;
+		$this->visibility = BackendService::VISIBILITY_PERSONAL;
 	}
 
 	/**
 	 * @return TemplateResponse
 	 */
 	public function getForm() {
-		$this->setInitialState(BackendService::VISIBILITY_PERSONAL);
+		$this->setInitialState();
 		$this->loadScriptsAndStyles();
 		return new TemplateResponse('files_external', 'settings', renderAs: '');
 	}
 
-	/**
-	 * @return string the section ID, e.g. 'sharing'
-	 */
 	public function getSection() {
+		if (!$this->backendService->isUserMountingAllowed()) {
+			return null;
+		}
+
 		return 'externalstorages';
 	}
 
diff --git a/apps/files_external/src/components/UserMountSettings.vue b/apps/files_external/src/components/UserMountSettings.vue
index d96e056ccb1..2e5d84b4b18 100644
--- a/apps/files_external/src/components/UserMountSettings.vue
+++ b/apps/files_external/src/components/UserMountSettings.vue
@@ -3,6 +3,8 @@
   - SPDX-License-Identifier: AGPL-3.0-or-later
   -->
 <script setup lang="ts">
+import type { IBackend } from '../types.ts'
+
 import { showError, showSuccess } from '@nextcloud/dialogs'
 import { loadState } from '@nextcloud/initial-state'
 import { translate as t } from '@nextcloud/l10n'
@@ -12,14 +14,9 @@ import NcCheckboxRadioSwitch from '@nextcloud/vue/components/NcCheckboxRadioSwit
 const userMounting = loadState<{
 	allowUserMounting: boolean
 	allowedBackends: string[]
-	backends: {
-		id: string
-		displayName: string
-		deprecated?: string
-	}[]
 }>('files_external', 'user-mounting')
 
-const availableBackends = userMounting.backends
+const availableBackends = loadState<IBackend[]>('files_external', 'backends')
 const allowUserMounting = ref(userMounting.allowUserMounting)
 const allowedBackends = ref<string[]>(userMounting.allowedBackends)
 
@@ -79,23 +76,14 @@ watch(allowedBackends, (newValue, oldValue) => {
 			<legend>
 				{{ t('files_external', 'External storage backends people are allowed to mount') }}
 			</legend>
-			<template v-for="backend of availableBackends">
-				<NcCheckboxRadioSwitch
-					v-if="!backend.deprecated"
-					:key="backend.id"
-					v-model="allowedBackends"
-					:value="backend.id"
-					name="allowUserMountingBackends[]">
-					{{ backend.displayName }}
-				</NcCheckboxRadioSwitch>
-				<input
-					v-else-if="backend.id in allowedBackends"
-					:key="`${backend.id}-deprecated`"
-					:data-deprecate-to="backend.deprecated"
-					:value="backend.id"
-					name="allowUserMountingBackends[]"
-					type="hidden">
-			</template>
+			<NcCheckboxRadioSwitch
+				v-for="backend of availableBackends"
+				:key="backend.identifier"
+				v-model="allowedBackends"
+				:value="backend.identifier"
+				name="allowUserMountingBackends[]">
+				{{ backend.name }}
+			</NcCheckboxRadioSwitch>
 		</fieldset>
 	</form>
 </template>
diff --git a/apps/files_external/src/utils/logger.ts b/apps/files_external/src/utils/logger.ts
index d96d19c02e7..efe22c86e35 100644
--- a/apps/files_external/src/utils/logger.ts
+++ b/apps/files_external/src/utils/logger.ts
@@ -1,3 +1,10 @@
+/*!
+ * SPDX-FileCopyrightText: 2026 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
 import { getLoggerBuilder } from '@nextcloud/logger'
 
-export default getLoggerBuilder().setApp('files_external').build()
+export default getLoggerBuilder()
+	.setApp('files_external')
+	.build()
diff --git a/apps/files_external/templates/legacy-settings.php b/apps/files_external/templates/legacy-settings.php
deleted file mode 100644
index 57d4c575f9d..00000000000
--- a/apps/files_external/templates/legacy-settings.php
+++ /dev/null
@@ -1,240 +0,0 @@
-<?php
-use OCA\Files_External\Lib\Auth\AuthMechanism;
-use OCA\Files_External\Lib\Backend\Backend;
-use OCA\Files_External\Lib\DefinitionParameter;
-use OCA\Files_External\Service\BackendService;
-
-/** @var array $_ */
-
-$canCreateMounts = $_['visibilityType'] === BackendService::VISIBILITY_ADMIN || $_['allowUserMounting'];
-
-$l->t('Enable encryption');
-$l->t('Enable previews');
-$l->t('Enable sharing');
-$l->t('Check for changes');
-$l->t('Never');
-$l->t('Once every direct access');
-$l->t('Read only');
-
-script('files_external', [
-	'settings',
-	'templates'
-]);
-style('files_external', 'settings');
-
-// load custom JS
-foreach ($_['backends'] as $backend) {
-	/** @var Backend $backend */
-	$scripts = $backend->getCustomJs();
-	foreach ($scripts as $script) {
-		script('files_external', $script);
-	}
-}
-foreach ($_['authMechanisms'] as $authMechanism) {
-	/** @var AuthMechanism $authMechanism */
-	$scripts = $authMechanism->getCustomJs();
-	foreach ($scripts as $script) {
-		script('files_external', $script);
-	}
-}
-
-function writeParameterInput($parameter, $options, $classes = []) {
-	$value = '';
-	if (isset($options[$parameter->getName()])) {
-		$value = $options[$parameter->getName()];
-	}
-	$placeholder = $parameter->getText();
-	$is_optional = $parameter->isFlagSet(DefinitionParameter::FLAG_OPTIONAL);
-
-	switch ($parameter->getType()) {
-		case DefinitionParameter::VALUE_PASSWORD: ?>
-			<?php if ($is_optional) {
-				$classes[] = 'optional';
-			} ?>
-			<input type="password"
-				<?php if (!empty($classes)): ?> class="<?php p(implode(' ', $classes)); ?>"<?php endif; ?>
-				data-parameter="<?php p($parameter->getName()); ?>"
-				value="<?php p($value); ?>"
-				placeholder="<?php p($placeholder); ?>"
-			/>
-			<?php
-				break;
-		case DefinitionParameter::VALUE_BOOLEAN: ?>
-			<?php $checkboxId = uniqid('checkbox_'); ?>
-			<div>
-			<label>
-			<input type="checkbox"
-				id="<?php p($checkboxId); ?>"
-				<?php if (!empty($classes)): ?> class="checkbox <?php p(implode(' ', $classes)); ?>"<?php endif; ?>
-				data-parameter="<?php p($parameter->getName()); ?>"
-				<?php if ($value === true): ?> checked="checked"<?php endif; ?>
-			/>
-			<?php p($placeholder); ?>
-			</label>
-			</div>
-			<?php
-			break;
-		case DefinitionParameter::VALUE_HIDDEN: ?>
-			<input type="hidden"
-				<?php if (!empty($classes)): ?> class="<?php p(implode(' ', $classes)); ?>"<?php endif; ?>
-				data-parameter="<?php p($parameter->getName()); ?>"
-				value="<?php p($value); ?>"
-			/>
-			<?php
-			break;
-		default: ?>
-			<?php if ($is_optional) {
-				$classes[] = 'optional';
-			} ?>
-			<input type="text"
-				<?php if (!empty($classes)): ?> class="<?php p(implode(' ', $classes)); ?>"<?php endif; ?>
-				data-parameter="<?php p($parameter->getName()); ?>"
-				value="<?php p($value); ?>"
-				placeholder="<?php p($placeholder); ?>"
-			/>
-			<?php
-	}
-}
-?>
-
-<div class="emptyfilelist emptycontent hidden">
-	<div class="icon-external"></div>
-	<h2><?php p($l->t('No external storage configured or you don\'t have the permission to configure them')); ?></h2>
-</div>
-
-<?php
-	$canCreateNewLocalStorage = \OC::$server->getConfig()->getSystemValue('files_external_allow_create_new_local', true);
-?>
-<form data-can-create="<?php echo $canCreateMounts?'true':'false' ?>" data-can-create-local="<?php echo $canCreateNewLocalStorage?'true':'false' ?>" id="files_external" class="section" data-encryption-enabled="<?php echo $_['encryptionEnabled']?'true': 'false'; ?>">
-	<h2 class="inlineblock" data-anchor-name="external-storage"><?php p($l->t('External storage')); ?></h2>
-	<a target="_blank" rel="noreferrer" class="icon-info" title="<?php p($l->t('Open documentation'));?>" href="<?php p(link_to_docs('admin-external-storage')); ?>"></a>
-	<p class="settings-hint"><?php p($l->t('External storage enables you to mount external storage services and devices as secondary Nextcloud storage devices. You may also allow people to mount their own external storage services.')); ?></p>
-	<?php if (isset($_['dependencies']) and ($_['dependencies'] !== '') and $canCreateMounts) {
-		print_unescaped('' . $_['dependencies'] . '');
-	} ?>
-	<table id="externalStorage" class="grid" data-admin='<?php print_unescaped(json_encode($_['visibilityType'] === BackendService::VISIBILITY_ADMIN)); ?>'>
-		<thead>
-			<tr>
-				<th></th>
-				<th><?php p($l->t('Folder name')); ?></th>
-				<th><?php p($l->t('External storage')); ?></th>
-				<th><?php p($l->t('Authentication')); ?></th>
-				<th><?php p($l->t('Configuration')); ?></th>
-				<?php if ($_['visibilityType'] === BackendService::VISIBILITY_ADMIN) {
-					print_unescaped('<th>' . $l->t('Available for') . '</th>');
-				} ?>
-				<th>&nbsp;</th>
-				<th>&nbsp;</th>
-				<th>&nbsp;</th>
-			</tr>
-		</thead>
-		<tbody>
-			<tr class="externalStorageLoading">
-				<td colspan="8">
-					<span id="externalStorageLoading" class="icon icon-loading"></span>
-				</td>
-			</tr>
-			<tr id="addMountPoint"
-			<?php if (!$canCreateMounts): ?>
-				style="display: none;"
-			<?php endif; ?>
-			>
-				<td class="status">
-					<span data-placement="right" title="<?php p($l->t('Click to recheck the configuration')); ?>"></span>
-				</td>
-				<td class="mountPoint"><input type="text" name="mountPoint" value=""
-					placeholder="<?php p($l->t('Folder name')); ?>">
-				</td>
-				<td class="backend">
-					<select id="selectBackend" class="selectBackend" data-configurations='<?php p(json_encode($_['backends'])); ?>'>
-						<option value="" disabled selected
-							style="display:none;">
-							<?php p($l->t('Add storage')); ?>
-						</option>
-						<?php
-											$sortedBackends = array_filter($_['backends'], function ($backend) use ($_) {
-												return $backend->isVisibleFor($_['visibilityType']);
-											});
-uasort($sortedBackends, function ($a, $b) {
-	return strcasecmp($a->getText(), $b->getText());
-});
-?>
-						<?php foreach ($sortedBackends as $backend): ?>
-							<?php if ($backend->getDeprecateTo() || (!$canCreateNewLocalStorage && $backend->getIdentifier() == 'local')) {
-								continue;
-							} // ignore deprecated backends?>
-							<option value="<?php p($backend->getIdentifier()); ?>"><?php p($backend->getText()); ?></option>
-						<?php endforeach; ?>
-					</select>
-				</td>
-				<td class="authentication" data-mechanisms='<?php p(json_encode($_['authMechanisms'])); ?>'></td>
-				<td class="configuration"></td>
-				<?php if ($_['visibilityType'] === BackendService::VISIBILITY_ADMIN): ?>
-					<td class="applicable" align="right">
-						<label><input type="checkbox" class="applicableToAllUsers" checked="" /><?php p($l->t('All people')); ?></label>
-						<div class="applicableUsersContainer">
-							<input type="hidden" class="applicableUsers" style="width:20em;" value="" />
-						</div>
-					</td>
-				<?php endif; ?>
-				<td class="mountOptionsToggle hidden">
-					<button type="button" class="icon-more" aria-expanded="false" title="<?php p($l->t('Advanced settings')); ?>"></button>
-					<input type="hidden" class="mountOptions" value="" />
-				</td>
-				<td class="save hidden">
-					<button type="button" class="icon-checkmark" title="<?php p($l->t('Save')); ?>"></button>
-				</td>
-			</tr>
-		</tbody>
-	</table>
-
-	<?php if ($_['visibilityType'] === BackendService::VISIBILITY_ADMIN): ?>
-		<input type="checkbox" name="allowUserMounting" id="allowUserMounting" class="checkbox"
-			value="1" <?php if ($_['allowUserMounting']) {
-				print_unescaped(' checked="checked"');
-			} ?> />
-		<label for="allowUserMounting"><?php p($l->t('Allow people to mount external storage')); ?></label> <span id="userMountingMsg" class="msg"></span>
-
-		<p id="userMountingBackends"<?php if (!$_['allowUserMounting']): ?> class="hidden"<?php endif; ?>>
-			<?php
-				$userBackends = array_filter($_['backends'], function ($backend) {
-					return $backend->isAllowedVisibleFor(BackendService::VISIBILITY_PERSONAL);
-				});
-		?>
-			<?php $i = 0;
-		foreach ($userBackends as $backend): ?>
-				<?php if ($deprecateTo = $backend->getDeprecateTo()): ?>
-					<input type="hidden" id="allowUserMountingBackends<?php p($i); ?>" name="allowUserMountingBackends[]" value="<?php p($backend->getIdentifier()); ?>" data-deprecate-to="<?php p($deprecateTo->getIdentifier()); ?>" />
-				<?php else: ?>
-					<input type="checkbox" id="allowUserMountingBackends<?php p($i); ?>" class="checkbox" name="allowUserMountingBackends[]" value="<?php p($backend->getIdentifier()); ?>" <?php if ($backend->isVisibleFor(BackendService::VISIBILITY_PERSONAL)) {
-						print_unescaped(' checked="checked"');
-					} ?> />
-					<label for="allowUserMountingBackends<?php p($i); ?>"><?php p($backend->getText()); ?></label> <br />
-				<?php endif; ?>
-				<?php $i++; ?>
-			<?php endforeach; ?>
-		</p>
-	<?php endif; ?>
-</form>
-
-<div class="followupsection">
-	<form autocomplete="false" action="#"
-		  id="global_credentials" method="post"
-		  class="<?php if (isset($_['visibilityType']) && $_['visibilityType'] === BackendService::VISIBILITY_PERSONAL) {
-		  	print_unescaped('global_credentials__personal');
-		  } ?>">
-		<h2><?php p($l->t('Global credentials')); ?></h2>
-		<p class="settings-hint"><?php p($l->t('Global credentials can be used to authenticate with multiple external storages that have the same credentials.')); ?></p>
-		<input type="text" name="username"
-			   autocomplete="false"
-			   value="<?php p($_['globalCredentials']['user']); ?>"
-			   placeholder="<?php p($l->t('Login')) ?>"/>
-		<input type="password" name="password"
-			   autocomplete="false"
-			   value="<?php p($_['globalCredentials']['password']); ?>"
-			   placeholder="<?php p($l->t('Password')) ?>"/>
-		<input type="hidden" name="uid"
-			   value="<?php p($_['globalCredentialsUid']); ?>"/>
-		<input type="submit" value="<?php p($l->t('Save')) ?>"/>
-	</form>
-</div>
diff --git a/apps/files_external/tests/Settings/AdminTest.php b/apps/files_external/tests/Settings/AdminTest.php
index fd4a1949760..b8524b5fc2a 100644
--- a/apps/files_external/tests/Settings/AdminTest.php
+++ b/apps/files_external/tests/Settings/AdminTest.php
@@ -8,12 +8,15 @@ declare(strict_types=1);
 namespace OCA\Files_External\Tests\Settings;
 
 use OCA\Files_External\Lib\Auth\Password\GlobalAuth;
-use OCA\Files_External\MountConfig;
+use OCA\Files_External\Lib\Backend\Backend;
 use OCA\Files_External\Service\BackendService;
 use OCA\Files_External\Service\GlobalStoragesService;
 use OCA\Files_External\Settings\Admin;
+use OCP\App\IAppManager;
 use OCP\AppFramework\Http\TemplateResponse;
+use OCP\AppFramework\Services\IInitialState;
 use OCP\Encryption\IManager;
+use OCP\IURLGenerator;
 use PHPUnit\Framework\MockObject\MockObject;
 use Test\TestCase;
 
@@ -22,6 +25,9 @@ class AdminTest extends TestCase {
 	private GlobalStoragesService&MockObject $globalStoragesService;
 	private BackendService&MockObject $backendService;
 	private GlobalAuth&MockObject $globalAuth;
+	private IInitialState&MockObject $initialState;
+	private IURLGenerator&MockObject $urlGenerator;
+	private IAppManager&MockObject $appManager;
 	private Admin $admin;
 
 	protected function setUp(): void {
@@ -30,58 +36,84 @@ class AdminTest extends TestCase {
 		$this->globalStoragesService = $this->createMock(GlobalStoragesService::class);
 		$this->backendService = $this->createMock(BackendService::class);
 		$this->globalAuth = $this->createMock(GlobalAuth::class);
+		$this->initialState = $this->createMock(IInitialState::class);
+		$this->urlGenerator = $this->createMock(IURLGenerator::class);
+		$this->appManager = $this->createMock(IAppManager::class);
 
 		$this->admin = new Admin(
 			$this->encryptionManager,
 			$this->globalStoragesService,
 			$this->backendService,
-			$this->globalAuth
+			$this->globalAuth,
+			$this->initialState,
+			$this->urlGenerator,
+			$this->appManager,
 		);
 	}
 
 	public function testGetForm(): void {
+		$backends = [
+			$this->createMock(Backend::class),
+		];
+		$backends[0]->method('checkDependencies')->willReturn([]);
+		$backends[0]->method('getIdentifier')->willReturn('backend1');
+
+		$authMechanism = $this->createMock(GlobalAuth::class);
 		$this->encryptionManager
 			->expects($this->once())
 			->method('isEnabled')
 			->willReturn(false);
-		$this->globalStoragesService
-			->expects($this->once())
-			->method('getStorages')
-			->willReturn(['a', 'b', 'c']);
 		$this->backendService
-			->expects($this->once())
+			->expects($this->atLeastOnce())
 			->method('getAvailableBackends')
-			->willReturn(['d', 'e', 'f']);
+			->willReturn($backends);
 		$this->backendService
-			->expects($this->once())
+			->expects($this->atLeastOnce())
 			->method('getAuthMechanisms')
-			->willReturn(['g', 'h', 'i']);
+			->willReturn([$authMechanism]);
 		$this->backendService
-			->expects($this->once())
+			->expects($this->atLeastOnce())
 			->method('isUserMountingAllowed')
 			->willReturn(true);
-		$this->backendService
-			->expects($this->exactly(2))
-			->method('getBackends')
-			->willReturn([]);
 		$this->globalAuth
 			->expects($this->once())
 			->method('getAuth')
 			->with('')
-			->willReturn('asdf:asdf');
-		$params = [
-			'encryptionEnabled' => false,
-			'visibilityType' => BackendService::VISIBILITY_ADMIN,
-			'storages' => ['a', 'b', 'c'],
-			'backends' => ['d', 'e', 'f'],
-			'authMechanisms' => ['g', 'h', 'i'],
-			'dependencies' => MountConfig::dependencyMessage($this->backendService->getBackends()),
-			'allowUserMounting' => true,
-			'globalCredentials' => 'asdf:asdf',
-			'globalCredentialsUid' => '',
-		];
-		$expected = new TemplateResponse('files_external', 'settings', $params, '');
+			->willReturn(['asdf' => 'asdf']);
+
+		$initialState = [];
+		$this->initialState
+			->expects($this->atLeastOnce())
+			->method('provideInitialState')
+			->willReturnCallback(function () use (&$initialState) {
+				$args = func_get_args();
+				$initialState[$args[0]] = $args[1];
+			});
+
+		$expected = new TemplateResponse('files_external', 'settings', renderAs: '');
 		$this->assertEquals($expected, $this->admin->getForm());
+		$this->assertEquals($initialState, [
+			'settings' => [
+				'docUrl' => '',
+				'dependencyIssues' => [
+					'messages' => [],
+					'modules' => [],
+				],
+				'isAdmin' => true,
+				'hasEncryption' => false,
+			],
+			'global-credentials' => [
+				'uid' => '',
+				'asdf' => 'asdf',
+			],
+			'allowedBackends' => ['backend1'],
+			'backends' => $backends,
+			'authMechanisms' => [$authMechanism],
+			'user-mounting' => [
+				'allowUserMounting' => true,
+				'allowedBackends' => [],
+			],
+		]);
 	}
 
 	public function testGetSection(): void {