diff --git a/data/src/androidTest/java/org/cryptomator/data/db/UpgradeDatabaseTest.kt b/data/src/androidTest/java/org/cryptomator/data/db/UpgradeDatabaseTest.kt
index 6de195db..1e0ad4c0 100644
--- a/data/src/androidTest/java/org/cryptomator/data/db/UpgradeDatabaseTest.kt
+++ b/data/src/androidTest/java/org/cryptomator/data/db/UpgradeDatabaseTest.kt
@@ -50,7 +50,7 @@ class UpgradeDatabaseTest {
 		Upgrade6To7().applyTo(db, 6)
 		Upgrade7To8().applyTo(db, 7)
 		Upgrade8To9(sharedPreferencesHandler).applyTo(db, 8)
-		Upgrade9To10().applyTo(db, 9)
+		Upgrade9To10(sharedPreferencesHandler).applyTo(db, 9)
 
 		CloudEntityDao(DaoConfig(db, CloudEntityDao::class.java)).loadAll()
 		VaultEntityDao(DaoConfig(db, VaultEntityDao::class.java)).loadAll()
@@ -446,7 +446,7 @@ class UpgradeDatabaseTest {
 		Sql.insertInto("VAULT_ENTITY") //
 			.integer("_id", 26) //
 			.integer("FOLDER_CLOUD_ID", 4) //
-			.text("FOLDER_PATH", "path") //
+			.text("FOLDER_PATH", "pathOfVault26") //
 			.text("FOLDER_NAME", "name") //
 			.text("CLOUD_TYPE", CloudType.LOCAL.name) //
 			.text("PASSWORD", "password") //
@@ -457,18 +457,17 @@ class UpgradeDatabaseTest {
 			Assert.assertThat(it.count, CoreMatchers.`is`(5))
 		}
 
-		Upgrade9To10().applyTo(db, 9)
+		Upgrade9To10(sharedPreferencesHandler).applyTo(db, 9)
 
 		Sql.query("VAULT_ENTITY").executeOn(db).use {
-			it.moveToFirst()
-			Assert.assertThat(it.getString(it.getColumnIndex("FOLDER_CLOUD_ID")), CoreMatchers.`is`("15"))
-			it.moveToNext()
-			Assert.assertThat(it.getString(it.getColumnIndex("FOLDER_CLOUD_ID")), CoreMatchers.nullValue())
+			Assert.assertThat(it.count, CoreMatchers.`is`(1))
 		}
 
 		Sql.query("CLOUD_ENTITY").executeOn(db).use {
 			Assert.assertThat(it.count, CoreMatchers.`is`(4))
 		}
+
+		Assert.assertThat(sharedPreferencesHandler.vaultsRemovedDuringMigration(), CoreMatchers.`is`(Pair("LOCAL", arrayListOf("pathOfVault26"))))
 	}
 
 }
diff --git a/data/src/main/java/org/cryptomator/data/db/Upgrade9To10.kt b/data/src/main/java/org/cryptomator/data/db/Upgrade9To10.kt
index 1ea5269a..01cf79fa 100644
--- a/data/src/main/java/org/cryptomator/data/db/Upgrade9To10.kt
+++ b/data/src/main/java/org/cryptomator/data/db/Upgrade9To10.kt
@@ -1,23 +1,42 @@
 package org.cryptomator.data.db
 
+import org.cryptomator.domain.CloudType
+import org.cryptomator.util.SharedPreferencesHandler
 import org.greenrobot.greendao.database.Database
 import javax.inject.Inject
 import javax.inject.Singleton
+import timber.log.Timber
 
 @Singleton
-internal class Upgrade9To10 @Inject constructor() : DatabaseUpgrade(9, 10) {
+internal class Upgrade9To10 @Inject constructor(private val sharedPreferencesHandler: SharedPreferencesHandler) : DatabaseUpgrade(9, 10) {
+
+	private val defaultLocalStorageCloudId = 4L
 
 	override fun internalApplyTo(db: Database, origin: Int) {
 		db.beginTransaction()
 
 		try {
-			Sql.update("VAULT_ENTITY")
-				.set("FOLDER_CLOUD_ID", Sql.toString(null))
-				.where("FOLDER_CLOUD_ID", Sql.eq(4))
+			Sql.query("VAULT_ENTITY")
+				.columns(listOf("FOLDER_PATH"))
+				.where("FOLDER_CLOUD_ID", Sql.eq(defaultLocalStorageCloudId))
+				.executeOn(db).use {
+					val vaultsToBeRemoved = ArrayList<String>()
+					while (it.moveToNext()) {
+						val folderPath = it.getString(it.getColumnIndex("FOLDER_PATH"))
+						vaultsToBeRemoved.add(folderPath)
+					}
+					if (vaultsToBeRemoved.isNotEmpty()) {
+						sharedPreferencesHandler.vaultsRemovedDuringMigration(Pair(CloudType.LOCAL.name, vaultsToBeRemoved))
+						Timber.tag("Upgrade9To10").i("Added %s to the removeDuringMigrations", vaultsToBeRemoved)
+					}
+				}
+
+			Sql.deleteFrom("VAULT_ENTITY")
+				.where("FOLDER_CLOUD_ID", Sql.eq(defaultLocalStorageCloudId))
 				.executeOn(db)
 
 			Sql.deleteFrom("CLOUD_ENTITY")
-				.where("_id", Sql.eq(4))
+				.where("_id", Sql.eq(defaultLocalStorageCloudId))
 				.where("TYPE", Sql.eq("LOCAL"))
 				.executeOn(db)
 
diff --git a/presentation/src/main/java/org/cryptomator/presentation/presenter/VaultListPresenter.kt b/presentation/src/main/java/org/cryptomator/presentation/presenter/VaultListPresenter.kt
index c3dc5d5e..b5e6d288 100644
--- a/presentation/src/main/java/org/cryptomator/presentation/presenter/VaultListPresenter.kt
+++ b/presentation/src/main/java/org/cryptomator/presentation/presenter/VaultListPresenter.kt
@@ -12,6 +12,7 @@ import org.cryptomator.data.cloud.crypto.CryptoCloud
 import org.cryptomator.data.util.NetworkConnectionCheck
 import org.cryptomator.domain.Cloud
 import org.cryptomator.domain.CloudFolder
+import org.cryptomator.domain.CloudType
 import org.cryptomator.domain.Vault
 import org.cryptomator.domain.di.PerView
 import org.cryptomator.domain.exception.license.LicenseNotValidException
@@ -49,6 +50,7 @@ import org.cryptomator.presentation.ui.dialog.AskForLockScreenDialog
 import org.cryptomator.presentation.ui.dialog.EnterPasswordDialog
 import org.cryptomator.presentation.ui.dialog.UpdateAppAvailableDialog
 import org.cryptomator.presentation.ui.dialog.UpdateAppDialog
+import org.cryptomator.presentation.ui.dialog.VaultsRemovedDuringMigrationDialog
 import org.cryptomator.presentation.util.FileUtil
 import org.cryptomator.presentation.workflow.ActivityResult
 import org.cryptomator.presentation.workflow.AddExistingVaultWorkflow
@@ -103,6 +105,12 @@ class VaultListPresenter @Inject constructor( //
 			sharedPreferencesHandler.setScreenLockDialogAlreadyShown()
 		}
 
+		sharedPreferencesHandler.vaultsRemovedDuringMigration()?.let {
+			val cloudNameString = getString(CloudTypeModel.valueOf(CloudType.valueOf(it.first)).displayNameResource)
+			view?.showDialog(VaultsRemovedDuringMigrationDialog.newInstance(Pair(cloudNameString, it.second)))
+			sharedPreferencesHandler.vaultsRemovedDuringMigration(null)
+		}
+
 		checkLicense()
 	}
 
@@ -118,9 +126,10 @@ class VaultListPresenter @Inject constructor( //
 					}
 
 					override fun onError(e: Throwable) {
-						var license: String? = ""
-						if (e is LicenseNotValidException) {
-							license = e.license
+						val license = if (e is LicenseNotValidException) {
+							e.license
+						} else {
+							""
 						}
 						val intent = Intent(context(), LicenseCheckActivity::class.java)
 						intent.flags = Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_ACTIVITY_CLEAR_TASK
diff --git a/presentation/src/main/java/org/cryptomator/presentation/ui/dialog/AppIsObscuredInfoDialog.kt b/presentation/src/main/java/org/cryptomator/presentation/ui/dialog/AppIsObscuredInfoDialog.kt
index ccf63d03..e01fde74 100644
--- a/presentation/src/main/java/org/cryptomator/presentation/ui/dialog/AppIsObscuredInfoDialog.kt
+++ b/presentation/src/main/java/org/cryptomator/presentation/ui/dialog/AppIsObscuredInfoDialog.kt
@@ -13,10 +13,10 @@ import kotlinx.android.synthetic.main.dialog_app_is_obscured_info.tv_app_is_obsc
 class AppIsObscuredInfoDialog : BaseDialog<Activity>() {
 
 	public override fun setupDialog(builder: AlertDialog.Builder): android.app.Dialog {
-		builder //
+		return builder //
 			.setTitle(R.string.dialog_app_is_obscured_info_title) //
-			.setNeutralButton(R.string.dialog_app_is_obscured_info_neutral_button) { dialog: DialogInterface, _: Int -> dialog.dismiss() }
-		return builder.create()
+			.setNeutralButton(R.string.dialog_app_is_obscured_info_neutral_button) { dialog: DialogInterface, _: Int -> dialog.dismiss() } //
+			.create()
 	}
 
 	override fun disableDialogWhenObscured(): Boolean {
diff --git a/presentation/src/main/java/org/cryptomator/presentation/ui/dialog/VaultsRemovedDuringMigrationDialog.kt b/presentation/src/main/java/org/cryptomator/presentation/ui/dialog/VaultsRemovedDuringMigrationDialog.kt
new file mode 100644
index 00000000..0d8de189
--- /dev/null
+++ b/presentation/src/main/java/org/cryptomator/presentation/ui/dialog/VaultsRemovedDuringMigrationDialog.kt
@@ -0,0 +1,47 @@
+package org.cryptomator.presentation.ui.dialog
+
+import android.app.Activity
+import android.content.DialogInterface
+import android.os.Bundle
+import androidx.appcompat.app.AlertDialog
+import androidx.fragment.app.DialogFragment
+import org.cryptomator.generator.Dialog
+import org.cryptomator.presentation.R
+import kotlinx.android.synthetic.main.dialog_vaults_removed_during_migration.tv_message
+
+@Dialog(R.layout.dialog_vaults_removed_during_migration)
+class VaultsRemovedDuringMigrationDialog : BaseDialog<Activity>() {
+
+	public override fun setupDialog(builder: AlertDialog.Builder): android.app.Dialog {
+		val vaultsRemovedDuringMigration = requireArguments().getSerializable(VAULTS_REMOVED_ARG) as Pair<String, ArrayList<String>>
+
+		return builder //
+			.setTitle(String.format(getString(R.string.dialog_vaults_removed_during_migration_title), vaultsRemovedDuringMigration.first)) //
+			.setNeutralButton(R.string.dialog_vaults_removed_during_migration_neutral_button) { dialog: DialogInterface, _: Int -> dialog.dismiss() }
+			.create()
+	}
+
+	public override fun setupView() {
+		val vaultsRemovedDuringMigration = requireArguments().getSerializable(VAULTS_REMOVED_ARG) as Pair<String, ArrayList<String>>
+
+		val vaultsRemovedDuringMigrationString = vaultsRemovedDuringMigration
+			.second
+			.map { path -> "* $path" }
+			.reduce { acc, s -> "$acc\n$s" }
+
+		tv_message.text = String.format(getString(R.string.dialog_vaults_removed_during_migration_hint), vaultsRemovedDuringMigrationString)
+	}
+
+	companion object {
+
+		private const val VAULTS_REMOVED_ARG = "vaultsRemovedArg"
+
+		fun newInstance(vaultsRemovedDuringMigration: Pair<String, List<String>>): DialogFragment {
+			val args = Bundle()
+			args.putSerializable(VAULTS_REMOVED_ARG, vaultsRemovedDuringMigration)
+			val fragment = VaultsRemovedDuringMigrationDialog()
+			fragment.arguments = args
+			return fragment
+		}
+	}
+}
diff --git a/presentation/src/main/res/layout/dialog_vaults_removed_during_migration.xml b/presentation/src/main/res/layout/dialog_vaults_removed_during_migration.xml
new file mode 100644
index 00000000..db8ac720
--- /dev/null
+++ b/presentation/src/main/res/layout/dialog_vaults_removed_during_migration.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.core.widget.NestedScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+	android:layout_width="match_parent"
+	android:layout_height="match_parent">
+
+	<RelativeLayout
+		android:layout_width="match_parent"
+		android:layout_height="match_parent"
+		android:padding="@dimen/activity_vertical_margin">
+
+		<TextView
+			android:id="@+id/tv_message"
+			android:layout_width="match_parent"
+			android:layout_height="wrap_content"
+			android:layout_marginBottom="5dp"
+			android:text="@string/dialog_vaults_removed_during_migration_hint" />
+
+	</RelativeLayout>
+</androidx.core.widget.NestedScrollView>
diff --git a/presentation/src/main/res/values/strings.xml b/presentation/src/main/res/values/strings.xml
index d9312db4..9acb5d10 100644
--- a/presentation/src/main/res/values/strings.xml
+++ b/presentation/src/main/res/values/strings.xml
@@ -166,7 +166,6 @@
 	<string name="screen_cloud_settings_option_delete" translatable="false">@string/screen_vault_list_vault_action_delete</string>
 	<string name="screen_cloud_connections_no_connections">Click here to add locations</string>
 	<string name="screen_cloud_error_webdav_not_supported">Server doesn\'t seem to be WebDAV compatible</string>
-	<string name="screen_cloud_local_custom_storage_title">Custom locations</string>
 	<string name="screen_cloud_local_error_no_content_provider">No additional locations available.</string>
 
 	<!-- ## screen: webdav settings -->
@@ -416,6 +415,12 @@
 	<string name="dialog_app_is_obscured_info_hint">Another app is displaying something on top of Cryptomator (e.g., a blue light filter or night mode app). For security reasons, Cryptomator is disabled.\n\n<a href="https://docs.cryptomator.org/en/1.5/android/settings/#block-app-when-obscured">How to enable Cryptomator</a></string>
 	<string name="dialog_app_is_obscured_info_neutral_button">Close</string>
 
+
+	<string name="dialog_vaults_removed_during_migration_title">Please re-add vaults for %1s cloud</string>
+	<string name="dialog_vaults_removed_during_migration_hint">While migrating to this app version we need to remove the following vaults from the app:\n%2s \n\nThose vaults aren\'t removed from the cloud but only from this app. Sorry for the inconvenience and please re-add these vaults to continue working with them.</string>
+	<string name="dialog_vaults_removed_during_migration_neutral_button" translatable="false">@string/dialog_unable_to_share_positive_button</string>
+
+
 	<string name="dialog_disable_secure_screen_disclaimer_hint">This setting is a security feature and prevents other apps from tricking users into doing things they do not wan\'t to do.\n\nBy disabling, you confirm that you are <a href="https://docs.cryptomator.org/en/1.5/android/settings/#screen-security">aware of the risks</a>.</string>
 
 	<string name="dialog_delete_cloud_connection_with_vaults_message">Are you sure you want to remove this cloud connection?</string>
diff --git a/util/src/main/java/org/cryptomator/util/SharedPreferencesHandler.kt b/util/src/main/java/org/cryptomator/util/SharedPreferencesHandler.kt
index eedee837..ac60155f 100644
--- a/util/src/main/java/org/cryptomator/util/SharedPreferencesHandler.kt
+++ b/util/src/main/java/org/cryptomator/util/SharedPreferencesHandler.kt
@@ -236,6 +236,31 @@ constructor(context: Context) : SharedPreferences.OnSharedPreferenceChangeListen
 		return defaultSharedPreferences.getBoolean(BACKGROUND_UNLOCK_PREPARATION, true)
 	}
 
+	fun vaultsRemovedDuringMigration(vaultsToBeRemoved: Pair<String, List<String>>?) {
+		vaultsToBeRemoved?.let {
+			val vaultsToBeRemovedString = if (it.second.isNotEmpty()) {
+				it.second.reduce { acc, s -> "$acc,$s" }
+			} else {
+				""
+			}
+			defaultSharedPreferences.setValue(VAULTS_REMOVED_DURING_MIGRATION_TYPE, it.first)
+			defaultSharedPreferences.setValue(VAULTS_REMOVED_DURING_MIGRATION, vaultsToBeRemovedString)
+		} ?: run {
+			defaultSharedPreferences.setValue(VAULTS_REMOVED_DURING_MIGRATION_TYPE, null)
+			defaultSharedPreferences.setValue(VAULTS_REMOVED_DURING_MIGRATION, null)
+		}
+	}
+
+	fun vaultsRemovedDuringMigration(): Pair<String, List<String>>? {
+		val vaultsRemovedDuringMigrationType = defaultSharedPreferences.getString(VAULTS_REMOVED_DURING_MIGRATION_TYPE, null)
+		val vaultsRemovedDuringMigration = defaultSharedPreferences.getString(VAULTS_REMOVED_DURING_MIGRATION, null)
+		return if(vaultsRemovedDuringMigrationType != null && vaultsRemovedDuringMigration != null) {
+			Pair(vaultsRemovedDuringMigrationType, ArrayList(vaultsRemovedDuringMigration.split(',')))
+		} else {
+			null
+		}
+	}
+
 	companion object {
 
 		private const val SCREEN_LOCK_DIALOG_SHOWN = "askForScreenLockDialogShown"
@@ -248,6 +273,8 @@ constructor(context: Context) : SharedPreferences.OnSharedPreferenceChangeListen
 		private const val GLOB_SEARCH = "globSearch"
 		private const val KEEP_UNLOCKED_WHILE_EDITING = "keepUnlockedWhileEditing"
 		private const val BACKGROUND_UNLOCK_PREPARATION = "backgroundUnlockPreparation"
+		private const val VAULTS_REMOVED_DURING_MIGRATION = "vaultsRemovedDuringMigration"
+		private const val VAULTS_REMOVED_DURING_MIGRATION_TYPE = "vaultsRemovedDuringMigrationType"
 		const val DEBUG_MODE = "debugMode"
 		const val DISABLE_APP_WHEN_OBSCURED = "disableAppWhenObscured"
 		const val SECURE_SCREEN = "secureScreen"