diff --git a/azurerm/internal/services/signalr/resource_arm_signalr_service.go b/azurerm/internal/services/signalr/resource_arm_signalr_service.go
index ce3e45dd9ad3..baf384de6ac0 100644
--- a/azurerm/internal/services/signalr/resource_arm_signalr_service.go
+++ b/azurerm/internal/services/signalr/resource_arm_signalr_service.go
@@ -85,6 +85,9 @@ func resourceArmSignalRService() *schema.Resource {
 							Type:     schema.TypeString,
 							Required: true,
 							ValidateFunc: validation.StringInSlice([]string{
+								// Looks like the default has changed, ours will need to be updated in AzureRM 3.0.
+								// issue has been created https://github.com/Azure/azure-sdk-for-go/issues/9619
+								"EnableMessagingLogs",
 								string(signalr.EnableConnectivityLogs),
 								string(signalr.ServiceMode),
 							}, false),
diff --git a/website/docs/r/signalr_service.html.markdown b/website/docs/r/signalr_service.html.markdown
index 0e73becdd97f..dbb9c42435d0 100644
--- a/website/docs/r/signalr_service.html.markdown
+++ b/website/docs/r/signalr_service.html.markdown
@@ -67,7 +67,7 @@ A `cors` block supports the following:
 
 A `features` block supports the following:
 
-* `flag` - (Required) The kind of Feature. Possible values are `EnableConnectivityLogs` and `ServiceMode`.
+* `flag` - (Required) The kind of Feature. Possible values are `EnableConnectivityLogs`, `EnableMessagingLogs`, and `ServiceMode`.
 
 * `value` - (Required) A value of a feature flag. Possible values are `Classic`, `Default` and `Serverless`.