diff --git a/backend/src/main/resources/i18n/messages_en.properties b/backend/src/main/resources/i18n/messages_en.properties
index dfa101c41..8f5cd4f14 100644
--- a/backend/src/main/resources/i18n/messages_en.properties
+++ b/backend/src/main/resources/i18n/messages_en.properties
@@ -444,6 +444,8 @@ message.database-constraint=There was a database constraint problem processing t
 message.user-request-received-title=User request received
 message.user-request-received-body=Your request has been received and is being reviewed. You will be notified with access status.
 
+message.filter-fail=A server error occured, and the filter failed to save.
+
 tooltip.entity-id=Entity ID
 tooltip.service-provider-name=Service Provider Name (Dashboard Display Only)
 tooltip.force-authn=Disallows use (or reuse) of authentication results and login flows that don\u0027t provide a real-time proof of user presence in the login process
diff --git a/ui/src/app/metadata/domain/model/metadata-provider.ts b/ui/src/app/metadata/domain/model/metadata-provider.ts
index f068ec718..e0b0a09a2 100644
--- a/ui/src/app/metadata/domain/model/metadata-provider.ts
+++ b/ui/src/app/metadata/domain/model/metadata-provider.ts
@@ -11,4 +11,5 @@ export interface MetadataProvider extends MetadataBase {
     xmlId: string;
     sortKey: number;
     metadataFilters: MetadataFilter[];
+    reloadableMetadataResolverAttributes?: any;
 }
diff --git a/ui/src/app/metadata/domain/service/provider.service.ts b/ui/src/app/metadata/domain/service/provider.service.ts
index f17557902..0e76dbf6d 100644
--- a/ui/src/app/metadata/domain/service/provider.service.ts
+++ b/ui/src/app/metadata/domain/service/provider.service.ts
@@ -24,7 +24,17 @@ export class MetadataProviderService {
     }
 
     find(id: string): Observable<MetadataProvider> {
-        return this.http.get<MetadataProvider>(`${this.base}${this.endpoint}/${id}`);
+        return this.http.get<MetadataProvider>(`${this.base}${this.endpoint}/${id}`).pipe(map(
+            provider => {
+                /*if (provider.reloadableMetadataResolverAttributes) {
+                    if (provider.reloadableMetadataResolverAttributes.refreshDelayFactor) {
+                        provider.reloadableMetadataResolverAttributes.refreshDelayFactor =
+                            provider.reloadableMetadataResolverAttributes.refreshDelayFactor.toString();
+                    }
+                }*/
+                return provider;
+            }
+        ));
     }
 
     update(provider: MetadataProvider): Observable<MetadataProvider> {
diff --git a/ui/src/app/metadata/filter/effect/collection.effect.ts b/ui/src/app/metadata/filter/effect/collection.effect.ts
index 01fdc318a..9d9c47ef8 100644
--- a/ui/src/app/metadata/filter/effect/collection.effect.ts
+++ b/ui/src/app/metadata/filter/effect/collection.effect.ts
@@ -40,6 +40,10 @@ import { EntityAttributesFilterEntity } from '../../domain/entity/filter/entity-
 import { MetadataFilterService } from '../../domain/service/filter.service';
 import { SelectProviderRequest } from '../../provider/action/collection.action';
 import { UpdateFilterChanges, ClearFilter } from '../action/filter.action';
+import { AddNotification } from '../../../notification/action/notification.action';
+import { NotificationType, Notification } from '../../../notification/model/notification';
+import { I18nService } from '../../../i18n/service/i18n.service';
+import * as fromI18n from '../../../i18n/reducer';
 
 /* istanbul ignore next */
 @Injectable()
@@ -118,6 +122,22 @@ export class FilterCollectionEffects {
         map(() => new ClearFilter())
     );
 
+    @Effect()
+    addFilterFailNotification$ = this.actions$.pipe(
+        ofType<AddFilterFail>(FilterCollectionActionTypes.ADD_FILTER_FAIL),
+        map(action => action.payload.error),
+        withLatestFrom(this.store.select(fromI18n.getMessages)),
+        map(([error, messages]) => {
+            return new AddNotification(
+                new Notification(
+                    NotificationType.Danger,
+                    `${error.errorCode}: ${this.i18nService.translate(error.errorMessage || 'message.filter-fail', null, messages)}`,
+                    8000
+                )
+            );
+        })
+    );
+
     @Effect()
     updateFilter$ = this.actions$.pipe(
         ofType<UpdateFilterRequest>(FilterCollectionActionTypes.UPDATE_FILTER_REQUEST),
@@ -253,6 +273,7 @@ export class FilterCollectionEffects {
         private actions$: Actions,
         private router: Router,
         private filterService: MetadataFilterService,
-        private store: Store<fromFilter.State>
+        private store: Store<fromFilter.State>,
+        private i18nService: I18nService
     ) { }
 }
diff --git a/ui/src/app/schema-form/widget/filter-target/filter-target.component.html b/ui/src/app/schema-form/widget/filter-target/filter-target.component.html
index c4aed1ec5..06c194a3c 100644
--- a/ui/src/app/schema-form/widget/filter-target/filter-target.component.html
+++ b/ui/src/app/schema-form/widget/filter-target/filter-target.component.html
@@ -69,7 +69,7 @@
                         </ng-container>
                         <ng-container *ngSwitchCase="'REGEX'">
                             <input id="targetInput" class="form-control" type="text" [formControl]="script" name="script" />
-                            <small id="regex-help" class="text-danger">
+                            <small id="regex-help" class="form-text text-secondary">
                                 <translate-i18n key="message.required-for-regex">Required for Regex</translate-i18n>
                                 &nbsp;
                             </small>
diff --git a/ui/src/assets/schema/provider/file-system.schema.json b/ui/src/assets/schema/provider/file-system.schema.json
index f44761f86..122f46cc8 100644
--- a/ui/src/assets/schema/provider/file-system.schema.json
+++ b/ui/src/assets/schema/provider/file-system.schema.json
@@ -8,7 +8,7 @@
     ],
     "properties": {
         "name": {
-            "title": "label.metadata-provider-name",
+            "title": "label.service-provider-name-dashboard-display-only",
             "description": "tooltip.metadata-provider-name",
             "type": "string",
             "widget": {
@@ -55,6 +55,29 @@
             "type": "boolean",
             "default": false
         },
+        "doInitialization": {
+            "title": "label.do-resolver-initialization",
+            "description": "tooltip.do-resolver-initialization",
+            "type": "boolean",
+            "widget": {
+                "id": "boolean-radio"
+            },
+            "oneOf": [
+                {
+                    "enum": [
+                        true
+                    ],
+                    "description": "value.true"
+                },
+                {
+                    "enum": [
+                        false
+                    ],
+                    "description": "value.false"
+                }
+            ],
+            "default": false
+        },
         "reloadableMetadataResolverAttributes": {
             "type": "object",
             "properties": {
@@ -105,17 +128,16 @@
                 "refreshDelayFactor": {
                     "title": "label.refresh-delay-factor",
                     "description": "tooltip.refresh-delay-factor",
-                    "type": "number",
+                    "type": "string",
                     "widget": {
-                        "id": "number",
-                        "step": 0.01
+                        "id": "string",
+                        "help": "message.real-number"
                     },
                     "placeholder": "label.real-number",
-                    "minimum": 0,
-                    "maximum": 1,
-                    "default": null
+                    "default": "",
+                    "pattern": "^(?:([0]*(\\.[0-9]+)?|[0]*\\.[0-9]*[1-9][0-9]*)|)$"
                 }
             }
         }
     }
-}
\ No newline at end of file
+}