Merge pull request Azure#9260 from MabOneSdk/user/sisi/iaasvmretention

[RecoveryServices] IaasVM policy retention in days changed to 7

Author: cormacpayne

src/RecoveryServices/RecoveryServices.Backup.Models/CommonModels/PolicyRetentionObjects.cs

@@ -229,9 +229,9 @@ public class DailyRetentionSchedule : RetentionScheduleBase
         // no extra fields
         public override void Validate()
         {
-            if (DurationCountInDays <= 0 || DurationCountInDays > PolicyConstants.MaxAllowedRetentionDurationCount)
+            if (DurationCountInDays < 7 || DurationCountInDays > PolicyConstants.MaxAllowedRetentionDurationCount)
             {
-                throw new ArgumentException(Resources.RetentionDurationCountInvalidException);
+                throw new ArgumentException(Resources.RetentionDurationCountInDaysInvalidException);
             }
 
             base.Validate();

src/RecoveryServices/RecoveryServices.Backup.Models/Properties/Resources.Designer.cs

@@ -568,4 +568,7 @@ Please contact Microsoft for further assistance.</value>
   <data name="InstantRPRetentionDaysException" xml:space="preserve">
     <value>For SnapshotRetentionRangeInDays, the minimum value is 1 and maximum is 5. For weekly backup policies, the only allowed value is 5. Please set the value accordingly</value>
   </data>
+  <data name="RetentionDurationCountInDaysInvalidException" xml:space="preserve">
+    <value>RetentionDuration in Days should be from 7 - 9999</value>
+  </data>
 </root>

src/RecoveryServices/RecoveryServices.Backup.Models/Properties/Resources.resx

@@ -18,6 +18,7 @@
         - Additional information about change #1
 -->
 ## Upcoming Release
+* IaaSVM policy minimum retention in days changed to 7 from 1
 
 ## Version 1.4.0
 * Support for Cross subscription Azure to Azure site recovery.