updated paramsets and added help file

Author: Sambit Rath

src/RecoveryServices/RecoveryServices.Backup/Cmdlets/ProtectionPolicy/SetAzureRmRecoveryServicesBackupProtectionPolicy.cs

@@ -38,9 +38,7 @@ public class SetAzureRmRecoveryServicesBackupProtectionPolicy : RSBackupVaultCmd
         /// Policy object to be modified
         /// </summary>
         [Parameter(Position = 1, Mandatory = true, HelpMessage = ParamHelpMsgs.Policy.ProtectionPolicy,
-            ValueFromPipeline = true, ParameterSetName = ModifyPolicyParamSet)]
-        [Parameter(Position = 1, Mandatory = true, HelpMessage = ParamHelpMsgs.Policy.ProtectionPolicy,
-            ValueFromPipeline = true, ParameterSetName = FixInconsistentPolicyParamSet)]
+            ValueFromPipeline = true)]
         [ValidateNotNullOrEmpty]
         public PolicyBase Policy { get; set; }
 
@@ -63,9 +61,8 @@ public class SetAzureRmRecoveryServicesBackupProtectionPolicy : RSBackupVaultCmd
         /// <summary>
         /// Retry Policy Update for Failed Items
         /// </summary>
-        [Parameter(Mandatory = false, HelpMessage = ParamHelpMsgs.Policy.FixForInConsistentItems,
+        [Parameter(Mandatory = true, HelpMessage = ParamHelpMsgs.Policy.FixForInConsistentItems,
             ParameterSetName = FixInconsistentPolicyParamSet)]
-        [ValidateNotNullOrEmpty]
         public SwitchParameter FixForInconsistentItems { get; set; }
 
         public override void ExecuteCmdlet()

src/RecoveryServices/RecoveryServices/help/Set-AzRecoveryServicesBackupProtectionPolicy.md

@@ -13,12 +13,19 @@ Modifies a Backup protection policy.
 
 ## SYNTAX
 
+### ModifyPolicyParamSet
 ```
 Set-AzRecoveryServicesBackupProtectionPolicy [-Policy] <PolicyBase> [[-RetentionPolicy] <RetentionPolicyBase>]
  [[-SchedulePolicy] <SchedulePolicyBase>] [-VaultId <String>] [-DefaultProfile <IAzureContextContainer>]
  [-WhatIf] [-Confirm] [<CommonParameters>]
 ```
 
+### FixPolicyParamSet
+```
+Set-AzRecoveryServicesBackupProtectionPolicy [-Policy] <PolicyBase> [-FixForInconsistentItems]
+ [-VaultId <String>] [-DefaultProfile <IAzureContextContainer>] [-WhatIf] [-Confirm] [<CommonParameters>]
+```
+
 ## DESCRIPTION
 The **Set-AzBackupProtectionPolicy** cmdlet modifies an existing Azure Backup protection policy.
 You can modify the Backup schedule and retention policy components.
@@ -65,6 +72,21 @@ Accept pipeline input: False
 Accept wildcard characters: False
 ```
 
+### -FixForInconsistentItems
+Switch Parameter indicating whether or not to retry Policy Update for failed items.
+
+```yaml
+Type: System.Management.Automation.SwitchParameter
+Parameter Sets: FixPolicyParamSet
+Aliases:
+
+Required: True
+Position: Named
+Default value: None
+Accept pipeline input: False
+Accept wildcard characters: False
+```
+
 ### -Policy
 Specifies the Backup protection policy that this cmdlet modifies.
 To obtain a **BackupProtectionPolicy** object, use the Get-AzRecoveryServicesBackupProtectionPolicy cmdlet.
@@ -87,7 +109,7 @@ To obtain a **RetentionPolicy** object, use the Get-AzRecoveryServicesBackupRete
 
 ```yaml
 Type: Microsoft.Azure.Commands.RecoveryServices.Backup.Cmdlets.Models.RetentionPolicyBase
-Parameter Sets: (All)
+Parameter Sets: ModifyPolicyParamSet
 Aliases:
 
 Required: False
@@ -103,7 +125,7 @@ To obtain a **SchedulePolicy** object, use the Get-AzRecoveryServicesBackupSched
 
 ```yaml
 Type: Microsoft.Azure.Commands.RecoveryServices.Backup.Cmdlets.Models.SchedulePolicyBase
-Parameter Sets: (All)
+Parameter Sets: ModifyPolicyParamSet
 Aliases:
 
 Required: False