diff --git a/x-pack/legacy/plugins/index_lifecycle_management/public/sections/edit_policy/components/min_age_input.js b/x-pack/legacy/plugins/index_lifecycle_management/public/sections/edit_policy/components/min_age_input.js
index 26dffd19039bd..4a1bf06f32135 100644
--- a/x-pack/legacy/plugins/index_lifecycle_management/public/sections/edit_policy/components/min_age_input.js
+++ b/x-pack/legacy/plugins/index_lifecycle_management/public/sections/edit_policy/components/min_age_input.js
@@ -116,7 +116,7 @@ export const MinAgeInput = props => {
             onChange={async e => {
               setPhaseData(PHASE_ROLLOVER_MINIMUM_AGE, e.target.value);
             }}
-            min={1}
+            min={0}
           />
         </ErrableFormRow>
       </EuiFlexItem>
diff --git a/x-pack/legacy/plugins/index_lifecycle_management/public/store/selectors/lifecycle.js b/x-pack/legacy/plugins/index_lifecycle_management/public/store/selectors/lifecycle.js
index 2463a7fed8799..745f7b90cc89b 100644
--- a/x-pack/legacy/plugins/index_lifecycle_management/public/store/selectors/lifecycle.js
+++ b/x-pack/legacy/plugins/index_lifecycle_management/public/store/selectors/lifecycle.js
@@ -64,11 +64,17 @@ export const maximumDocumentsRequiredMessage =
     defaultMessage: 'Maximum documents is required.'
   });
 
+
 export const positiveNumbersAboveZeroErrorMessage =
   i18n.translate('xpack.indexLifecycleMgmt.editPolicy.positiveNumberAboveZeroRequiredError', {
     defaultMessage: 'Only numbers above 0 are allowed.'
   });
 
+export const positiveNumbersEqualAboveZeroErrorMessage =
+  i18n.translate('xpack.indexLifecycleMgmt.editPolicy.positiveNumberAboveZeroRequiredError', {
+    defaultMessage: 'Only numbers equal to or above 0 are allowed.'
+  });
+
 export const validatePhase = (type, phase, errors) => {
   const phaseErrors = {};
 
@@ -106,10 +112,12 @@ export const validatePhase = (type, phase, errors) => {
         phaseErrors[numberedAttribute] = [positiveNumberRequiredMessage];
       }
       else if ((numberedAttribute === PHASE_ROLLOVER_MINIMUM_AGE ||
-        numberedAttribute === PHASE_PRIMARY_SHARD_COUNT) && phase[numberedAttribute] < 1) {
-        phaseErrors[numberedAttribute] = [positiveNumbersAboveZeroErrorMessage];
+        numberedAttribute === PHASE_PRIMARY_SHARD_COUNT) && phase[numberedAttribute] < 0) {
+        phaseErrors[numberedAttribute] = [positiveNumbersEqualAboveZeroErrorMessage];
       }
+
     }
+
   }
   if (phase[PHASE_ROLLOVER_ENABLED]) {
     if (
@@ -153,6 +161,7 @@ export const validatePhase = (type, phase, errors) => {
   }
 
   if (phase[PHASE_FORCE_MERGE_ENABLED]) {
+
     if (!isNumber(phase[PHASE_FORCE_MERGE_SEGMENTS])) {
       phaseErrors[PHASE_FORCE_MERGE_SEGMENTS] = [numberRequiredMessage];
     }