Merge pull request #12480 from MithunRathinam/patch-6

Update Set-TransportConfig.md

Author: chrisda

exchange/exchange-ps/exchange/Set-TransportConfig.md

@@ -62,6 +62,7 @@ Set-TransportConfig [[-Identity] <OrganizationIdParameter>]
  [-MaxRetriesForRemoteSiteShadow <Int32>]
  [-MaxSendSize <Unlimited>]
  [-MessageExpiration <EnhancedTimeSpan>]
+ [-PreventDuplicateJournalingEnabled <Boolean>]
  [-QueueDiagnosticsAggregationInterval <EnhancedTimeSpan>]
  [-RejectMessageOnShadowFailure <Boolean>]
  [-ReplyAllStormBlockDurationHours <Int32>]
@@ -991,6 +992,27 @@ Accept pipeline input: False
 Accept wildcard characters: False
 ```
 
+### -PreventDuplicateJournalingEnabled
+This parameter is available only in the cloud-based service.
+
+The PreventDuplicateJournalingEnabled parameter prevents duplicate journaling reports that can occur when messages are processed by both on-premises and cloud journaling agents. Valid values are:
+
+- $true: Ensure that journaling messages aren't duplicated in hybrid environments.
+- $false: Journaling messages might be duplicated in hybrid environments. This is the default value.
+
+```yaml
+Type: Boolean
+Parameter Sets: (All)
+Aliases:
+Applicable: Exchange Online
+
+Required: False
+Position: Named
+Default value: None
+Accept pipeline input: False
+Accept wildcard characters: False
+```
+
 ### -QueueDiagnosticsAggregationInterval
 This parameter is available only in on-premises Exchange.