diff --git a/backend/src/main/resources/file-system-metadata-provider.schema.json b/backend/src/main/resources/file-system-metadata-provider.schema.json
index 7969495f2..a4db5a52d 100644
--- a/backend/src/main/resources/file-system-metadata-provider.schema.json
+++ b/backend/src/main/resources/file-system-metadata-provider.schema.json
@@ -1,11 +1,6 @@
 {
     "type": "object",
-    "required": [
-        "name",
-        "@type",
-        "xmlId",
-        "metadataFile"
-    ],
+    "required": ["name", "@type", "xmlId", "metadataFile"],
     "properties": {
         "name": {
             "title": "label.metadata-provider-name-dashboard-display-only",
@@ -47,18 +42,21 @@
         },
         "reloadableMetadataResolverAttributes": {
             "type": "object",
+            "required": ["minRefreshDelay", "maxRefreshDelay"],
             "properties": {
                 "minRefreshDelay": {
                     "title": "label.min-refresh-delay",
                     "description": "tooltip.min-refresh-delay",
                     "type": "string",
-                    "pattern": "^$|^(R\\d*\\/)?P(?:\\d+(?:\\.\\d+)?Y)?(?:\\d+(?:\\.\\d+)?M)?(?:\\d+(?:\\.\\d+)?W)?(?:\\d+(?:\\.\\d+)?D)?(?:T(?:\\d+(?:\\.\\d+)?H)?(?:\\d+(?:\\.\\d+)?M)?(?:\\d+(?:\\.\\d+)?S)?)?$"
+                    "pattern": "^$|^(R\\d*\\/)?P(?:\\d+(?:\\.\\d+)?Y)?(?:\\d+(?:\\.\\d+)?M)?(?:\\d+(?:\\.\\d+)?W)?(?:\\d+(?:\\.\\d+)?D)?(?:T(?:\\d+(?:\\.\\d+)?H)?(?:\\d+(?:\\.\\d+)?M)?(?:\\d+(?:\\.\\d+)?S)?)?$",
+                    "default": "PT5M"
                 },
                 "maxRefreshDelay": {
                     "title": "label.max-refresh-delay",
                     "description": "tooltip.max-refresh-delay",
                     "type": "string",
-                    "pattern": "^$|^(R\\d*\\/)?P(?:\\d+(?:\\.\\d+)?Y)?(?:\\d+(?:\\.\\d+)?M)?(?:\\d+(?:\\.\\d+)?W)?(?:\\d+(?:\\.\\d+)?D)?(?:T(?:\\d+(?:\\.\\d+)?H)?(?:\\d+(?:\\.\\d+)?M)?(?:\\d+(?:\\.\\d+)?S)?)?$"
+                    "pattern": "^$|^(R\\d*\\/)?P(?:\\d+(?:\\.\\d+)?Y)?(?:\\d+(?:\\.\\d+)?M)?(?:\\d+(?:\\.\\d+)?W)?(?:\\d+(?:\\.\\d+)?D)?(?:T(?:\\d+(?:\\.\\d+)?H)?(?:\\d+(?:\\.\\d+)?M)?(?:\\d+(?:\\.\\d+)?S)?)?$",
+                    "default": "PT4H"
                 },
                 "refreshDelayFactor": {
                     "title": "label.refresh-delay-factor",
@@ -71,4 +69,4 @@
             }
         }
     }
-}
\ No newline at end of file
+}
diff --git a/backend/src/main/resources/i18n/messages.properties b/backend/src/main/resources/i18n/messages.properties
index 0a7880b36..2513a7c87 100644
--- a/backend/src/main/resources/i18n/messages.properties
+++ b/backend/src/main/resources/i18n/messages.properties
@@ -684,7 +684,7 @@ tooltip.retained-roles=Note that property replacement cannot be used on this ele
 tooltip.remove-roleless-entity-descriptors=Controls whether to keep entity descriptors that contain no roles. Note: If this attribute is set to false, the resulting output may not be schema-valid since an <md:EntityDescriptor> element must include at least one role descriptor.
 tooltip.remove-empty-entities-descriptors=Controls whether to keep entities descriptors that contain no entity descriptors. Note: If this attribute is set to false, the resulting output may not be schema-valid since an <md:EntitiesDescriptor> element must include at least one child element, either an <md:EntityDescriptor> element or an <md:EntitiesDescriptor> element.
 
-tooltip.min-refresh-delay=Lower bound on the next refresh from the time calculated based on the metadata\u0027s expiration.
+tooltip.min-refresh-delay=Lower bound on the next refresh from the time calculated based on the metadata\u0027s expiration. Setting this to 0 will result in the default value being used.
 tooltip.max-refresh-delay=Upper bound on the next refresh from the time calculated based on the metadata\u0027s expiration.
 tooltip.refresh-delay-factor=A factor applied to the initially determined refresh time in order to determine the next refresh time (typically to ensure refresh takes place prior to the metadata\u0027s expiration). Attempts to refresh metadata will generally begin around the product of this number and the maximum refresh delay.
 tooltip.resolve-via-predicates-only=Flag indicating whether resolution may be performed solely by applying predicates to the entire metadata collection, when an entityID input criterion is not supplied.
diff --git a/backend/src/main/resources/i18n/messages_en.properties b/backend/src/main/resources/i18n/messages_en.properties
index f9f64d4d2..40d17ae7e 100644
--- a/backend/src/main/resources/i18n/messages_en.properties
+++ b/backend/src/main/resources/i18n/messages_en.properties
@@ -531,7 +531,7 @@ tooltip.retained-roles=Note that property replacement cannot be used on this ele
 tooltip.remove-roleless-entity-descriptors=Controls whether to keep entity descriptors that contain no roles. Note: If this attribute is set to false, the resulting output may not be schema-valid since an <md:EntityDescriptor> element must include at least one role descriptor.
 tooltip.remove-empty-entities-descriptors=Controls whether to keep entities descriptors that contain no entity descriptors. Note: If this attribute is set to false, the resulting output may not be schema-valid since an <md:EntitiesDescriptor> element must include at least one child element, either an <md:EntityDescriptor> element or an <md:EntitiesDescriptor> element.
 
-tooltip.min-refresh-delay=Lower bound on the next refresh from the time calculated based on the metadata\u0027s expiration.
+tooltip.min-refresh-delay=Lower bound on the next refresh from the time calculated based on the metadata\u0027s expiration. Setting this to 0 will result in the default value being used.
 tooltip.max-refresh-delay=Upper bound on the next refresh from the time calculated based on the metadata\u0027s expiration.
 tooltip.refresh-delay-factor=A factor applied to the initially determined refresh time in order to determine the next refresh time (typically to ensure refresh takes place prior to the metadata\u0027s expiration). Attempts to refresh metadata will generally begin around the product of this number and the maximum refresh delay.
 tooltip.resolve-via-predicates-only=Flag indicating whether resolution may be performed solely by applying predicates to the entire metadata collection, when an entityID input criterion is not supplied.
diff --git a/ui/public/assets/schema/provider/file-system.schema.json b/ui/public/assets/schema/provider/file-system.schema.json
index 38d0d90e3..a4db5a52d 100644
--- a/ui/public/assets/schema/provider/file-system.schema.json
+++ b/ui/public/assets/schema/provider/file-system.schema.json
@@ -1,15 +1,10 @@
 {
     "type": "object",
-    "required": [
-        "name",
-        "@type",
-        "xmlId",
-        "metadataFile"
-    ],
+    "required": ["name", "@type", "xmlId", "metadataFile"],
     "properties": {
         "name": {
             "title": "label.metadata-provider-name-dashboard-display-only",
-            "description": "tooltip.metadata-provider-name-dashboard-display-only",
+            "description": "tooltip.metadata-provider-name",
             "type": "string",
             "widget": {
                 "id": "string",
@@ -20,7 +15,7 @@
             "title": "label.metadata-provider-type",
             "description": "tooltip.metadata-provider-type",
             "type": "string",
-            "const": "FilesystemMetadataResolver"
+            "default": "FilesystemMetadataResolver"
         },
         "xmlId": {
             "title": "label.xml-id",
@@ -47,18 +42,21 @@
         },
         "reloadableMetadataResolverAttributes": {
             "type": "object",
+            "required": ["minRefreshDelay", "maxRefreshDelay"],
             "properties": {
                 "minRefreshDelay": {
                     "title": "label.min-refresh-delay",
                     "description": "tooltip.min-refresh-delay",
                     "type": "string",
-                    "pattern": "^(R\\d*\\/)?P(?:\\d+(?:\\.\\d+)?Y)?(?:\\d+(?:\\.\\d+)?M)?(?:\\d+(?:\\.\\d+)?W)?(?:\\d+(?:\\.\\d+)?D)?(?:T(?:\\d+(?:\\.\\d+)?H)?(?:\\d+(?:\\.\\d+)?M)?(?:\\d+(?:\\.\\d+)?S)?)?$"
+                    "pattern": "^$|^(R\\d*\\/)?P(?:\\d+(?:\\.\\d+)?Y)?(?:\\d+(?:\\.\\d+)?M)?(?:\\d+(?:\\.\\d+)?W)?(?:\\d+(?:\\.\\d+)?D)?(?:T(?:\\d+(?:\\.\\d+)?H)?(?:\\d+(?:\\.\\d+)?M)?(?:\\d+(?:\\.\\d+)?S)?)?$",
+                    "default": "PT5M"
                 },
                 "maxRefreshDelay": {
                     "title": "label.max-refresh-delay",
                     "description": "tooltip.max-refresh-delay",
                     "type": "string",
-                    "pattern": "^(R\\d*\\/)?P(?:\\d+(?:\\.\\d+)?Y)?(?:\\d+(?:\\.\\d+)?M)?(?:\\d+(?:\\.\\d+)?W)?(?:\\d+(?:\\.\\d+)?D)?(?:T(?:\\d+(?:\\.\\d+)?H)?(?:\\d+(?:\\.\\d+)?M)?(?:\\d+(?:\\.\\d+)?S)?)?$"
+                    "pattern": "^$|^(R\\d*\\/)?P(?:\\d+(?:\\.\\d+)?Y)?(?:\\d+(?:\\.\\d+)?M)?(?:\\d+(?:\\.\\d+)?W)?(?:\\d+(?:\\.\\d+)?D)?(?:T(?:\\d+(?:\\.\\d+)?H)?(?:\\d+(?:\\.\\d+)?M)?(?:\\d+(?:\\.\\d+)?S)?)?$",
+                    "default": "PT4H"
                 },
                 "refreshDelayFactor": {
                     "title": "label.refresh-delay-factor",
@@ -71,4 +69,4 @@
             }
         }
     }
-}
\ No newline at end of file
+}
diff --git a/ui/public/assets/schema/provider/filebacked-http.schema.json b/ui/public/assets/schema/provider/filebacked-http.schema.json
index 860733486..77f415b43 100644
--- a/ui/public/assets/schema/provider/filebacked-http.schema.json
+++ b/ui/public/assets/schema/provider/filebacked-http.schema.json
@@ -252,18 +252,24 @@
         "reloadableMetadataResolverAttributes": {
             "$id": "reloadableMetadataResolverAttributes",
             "type": "object",
+            "required": [
+                "minRefreshDelay",
+                "maxRefreshDelay"
+            ],
             "properties": {
                 "minRefreshDelay": {
                     "title": "label.min-refresh-delay",
                     "description": "tooltip.min-refresh-delay",
                     "type": "string",
-                    "pattern": "^$|^(R\\d*\\/)?P(?:\\d+(?:\\.\\d+)?Y)?(?:\\d+(?:\\.\\d+)?M)?(?:\\d+(?:\\.\\d+)?W)?(?:\\d+(?:\\.\\d+)?D)?(?:T(?:\\d+(?:\\.\\d+)?H)?(?:\\d+(?:\\.\\d+)?M)?(?:\\d+(?:\\.\\d+)?S)?)?$"
+                    "pattern": "^$|^(R\\d*\\/)?P(?:\\d+(?:\\.\\d+)?Y)?(?:\\d+(?:\\.\\d+)?M)?(?:\\d+(?:\\.\\d+)?W)?(?:\\d+(?:\\.\\d+)?D)?(?:T(?:\\d+(?:\\.\\d+)?H)?(?:\\d+(?:\\.\\d+)?M)?(?:\\d+(?:\\.\\d+)?S)?)?$",
+                    "default": "PT5M"
                 },
                 "maxRefreshDelay": {
                     "title": "label.max-refresh-delay",
                     "description": "tooltip.max-refresh-delay",
                     "type": "string",
-                    "pattern": "^$|^(R\\d*\\/)?P(?:\\d+(?:\\.\\d+)?Y)?(?:\\d+(?:\\.\\d+)?M)?(?:\\d+(?:\\.\\d+)?W)?(?:\\d+(?:\\.\\d+)?D)?(?:T(?:\\d+(?:\\.\\d+)?H)?(?:\\d+(?:\\.\\d+)?M)?(?:\\d+(?:\\.\\d+)?S)?)?$"
+                    "pattern": "^$|^(R\\d*\\/)?P(?:\\d+(?:\\.\\d+)?Y)?(?:\\d+(?:\\.\\d+)?M)?(?:\\d+(?:\\.\\d+)?W)?(?:\\d+(?:\\.\\d+)?D)?(?:T(?:\\d+(?:\\.\\d+)?H)?(?:\\d+(?:\\.\\d+)?M)?(?:\\d+(?:\\.\\d+)?S)?)?$",
+                    "default": "PT4H"
                 },
                 "refreshDelayFactor": {
                     "title": "label.refresh-delay-factor",
diff --git a/ui/src/app/metadata/domain/data.js b/ui/src/app/metadata/domain/data.js
index 45412d300..b97afbddb 100644
--- a/ui/src/app/metadata/domain/data.js
+++ b/ui/src/app/metadata/domain/data.js
@@ -9,4 +9,18 @@ export const DurationOptions = [
     "PT8H",
     "PT12H",
     "PT24H"
+];
+
+export const RefreshOptions = [
+    "PT1S",
+    "PT30S",
+    "PT1M",
+    "PT5M",
+    "PT10M",
+    "PT30M",
+    "PT1H",
+    "PT4H",
+    "PT8H",
+    "PT12H",
+    "PT24H",
 ];
\ No newline at end of file
diff --git a/ui/src/app/metadata/domain/provider/definition/FileBackedHttpMetadataProviderDefinition.js b/ui/src/app/metadata/domain/provider/definition/FileBackedHttpMetadataProviderDefinition.js
index 106edfa55..e4e4be5b6 100644
--- a/ui/src/app/metadata/domain/provider/definition/FileBackedHttpMetadataProviderDefinition.js
+++ b/ui/src/app/metadata/domain/provider/definition/FileBackedHttpMetadataProviderDefinition.js
@@ -1,7 +1,7 @@
 import defaultsDeep from 'lodash/defaultsDeep';
 import { BaseProviderDefinition, HttpMetadataResolverAttributesSchema, MetadataFilterPluginsSchema } from './BaseProviderDefinition';
 
-import { DurationOptions } from '../../data';
+import { DurationOptions, RefreshOptions } from '../../data';
 import { BASE_PATH } from '../../../../App.constant';
 
 export const FileBackedHttpMetadataProviderWizard = {
@@ -155,12 +155,12 @@ export const FileBackedHttpMetadataProviderWizard = {
         reloadableMetadataResolverAttributes: {
             minRefreshDelay: {
                 'ui:widget': 'OptionWidget',
-                options: DurationOptions,
+                options: RefreshOptions,
                 'ui:placeholder': 'label.duration'
             },
             maxRefreshDelay: {
                 'ui:widget': 'OptionWidget',
-                options: DurationOptions,
+                options: RefreshOptions,
                 'ui:placeholder': 'label.duration'
             },
             refreshDelayFactor: {
diff --git a/ui/src/app/metadata/domain/provider/definition/FileSystemMetadataProviderDefinition.js b/ui/src/app/metadata/domain/provider/definition/FileSystemMetadataProviderDefinition.js
index d97b8e041..5e9d617fe 100644
--- a/ui/src/app/metadata/domain/provider/definition/FileSystemMetadataProviderDefinition.js
+++ b/ui/src/app/metadata/domain/provider/definition/FileSystemMetadataProviderDefinition.js
@@ -1,7 +1,7 @@
 import defaultsDeep from 'lodash/defaultsDeep';
 import API_BASE_PATH from "../../../../App.constant";
 import { BaseProviderDefinition } from "./BaseProviderDefinition";
-import { DurationOptions } from '../../data';
+import { RefreshOptions } from '../../data';
 
 export const FileSystemMetadataProviderWizard = {
     ...BaseProviderDefinition,
@@ -74,12 +74,12 @@ export const FileSystemMetadataProviderWizard = {
         reloadableMetadataResolverAttributes: {
             minRefreshDelay: {
                 'ui:widget': 'OptionWidget',
-                options: DurationOptions,
+                options: RefreshOptions,
                 'ui:placeholder': 'label.duration'
             },
             maxRefreshDelay: {
                 'ui:widget': 'OptionWidget',
-                options: DurationOptions,
+                options: RefreshOptions,
                 'ui:placeholder': 'label.duration'
             },
             refreshDelayFactor: {
diff --git a/ui/src/app/metadata/wizard/MetadataProviderWizard.js b/ui/src/app/metadata/wizard/MetadataProviderWizard.js
index d2cbc0864..8dcbf73cd 100644
--- a/ui/src/app/metadata/wizard/MetadataProviderWizard.js
+++ b/ui/src/app/metadata/wizard/MetadataProviderWizard.js
@@ -49,7 +49,6 @@ export function MetadataProviderWizard({onSave, loading, block}) {
 
     return (
         <>
-
             <div className="row mb-4">
                 <div className="col-12">
                     <WizardNav onSave={save}
@@ -78,6 +77,7 @@ export function MetadataProviderWizard({onSave, loading, block}) {
                     </div>
                 </div>
             }
+            <pre>{JSON.stringify(errors, null, 4)}</pre>
         </>
     );
 }