diff --git a/dashboard/src/translation/en.json b/dashboard/src/translation/en.json
index 2d622eb82..c80444a86 100644
--- a/dashboard/src/translation/en.json
+++ b/dashboard/src/translation/en.json
@@ -1476,7 +1476,8 @@
                 "description": "If the server is running out of disk space, use this to move the app's data to a <a href=\"/#/volumes\">volume</a>. Any data here is part of the app's backup.",
                 "dataDirPlaceholder": "Leave empty to use platform default",
                 "moveAction": "Move Data",
-                "diskUsage": "The app is currently using {{ size }} of storage (as of {{ date }})."
+                "diskUsage": "The app is currently using {{ size }} of storage (as of {{ date }}).",
+                "mountTypeWarning": "The destination file system must support file permissions and ownership for the move to work"
             },
             "mounts": {
                 "title": "Mounts",
diff --git a/dashboard/src/views/app.html b/dashboard/src/views/app.html
index ecd51fba8..e96b28f8c 100644
--- a/dashboard/src/views/app.html
+++ b/dashboard/src/views/app.html
@@ -973,6 +973,7 @@
             <p ng-bind-html="'app.storage.appdata.description' | tr:{ storagePath: ('/home/yellowtent/appsdata/' + app.id) }"></p>
             <form role="form" name="storageDataDirForm" ng-submit="storage.submitDataDir()" autocomplete="off">
               <select class="form-control" ng-model="storage.location" ng-options="location.displayName for location in storage.locationOptions track by location.id"></select>
+              <p class="text-warning" ng-show="storage.location.type === 'volume' && storage.location.mountType === 'mountpoint'" ng-bind-html="'app.storage.appdata.mountTypeWarning' | tr"></p>
 
               <br/>
 
@@ -985,6 +986,7 @@
               <input class="ng-hide" type="submit" ng-disabled="!storageDataDirForm.$dirty || storageDataDirForm.$invalid || storage.busyDataDir || app.error || app.taskId"/>
             </form>
           </div>
+
         </div>
         <div class="row">
           <div class="col-md-12 text-right">
diff --git a/dashboard/src/views/app.js b/dashboard/src/views/app.js
index a42a46936..f8c3eceae 100644
--- a/dashboard/src/views/app.js
+++ b/dashboard/src/views/app.js
@@ -613,7 +613,7 @@ angular.module('Application').controller('AppController', ['$scope', '$location'
             ];
 
             $scope.volumes.forEach(function (volume) {
-                $scope.storage.locationOptions.push({ id: volume.id, type: 'volume', value: volume.id, displayName: 'Volume - ' + volume.name });
+                $scope.storage.locationOptions.push({ id: volume.id, type: 'volume', value: volume.id, displayName: 'Volume - ' + volume.name, mountType: volume.mountType });
             });
 
             $scope.storage.location = $scope.storage.locationOptions.find(function (l) { return l.id === (app.storageVolumeId || 'default'); });
diff --git a/src/apps.js b/src/apps.js
index 220dd749e..ff74f4405 100644
--- a/src/apps.js
+++ b/src/apps.js
@@ -515,6 +515,9 @@ async function checkStorage(app, volumeId, prefix) {
     const volume = await volumes.get(volumeId);
     if (volume === null) throw new BoxError(BoxError.BAD_FIELD, 'Storage volume not found');
 
+    // lack of file perms makes these unsupported
+    if (volume.mountType === 'cifs' || volume.mountType === 'sshfs') throw new BoxError(BoxError.BAD_FIELD, `${volume.mountType} volumes cannot be used as data directory`);
+
     const status = await volumes.getStatus(volume);
     if (status.state !== 'active') throw new BoxError(BoxError.BAD_FIELD, 'Volume is not active');