diff --git a/internal/services/network/network_manager_resource.go b/internal/services/network/network_manager_resource.go
index 9521ebd74775..6d7e304fb3a0 100644
--- a/internal/services/network/network_manager_resource.go
+++ b/internal/services/network/network_manager_resource.go
@@ -109,6 +109,7 @@ func (r ManagerResource) Arguments() map[string]*pluginsdk.Schema {
 				Type: pluginsdk.TypeString,
 				ValidateFunc: validation.StringInSlice([]string{
 					string(networkmanagers.ConfigurationTypeConnectivity),
+					string(networkmanagers.ConfigurationTypeRouting),
 					string(networkmanagers.ConfigurationTypeSecurityAdmin),
 				}, false),
 			},
diff --git a/internal/services/network/network_manager_resource_test.go b/internal/services/network/network_manager_resource_test.go
index 82c90fe79d9b..e6e7e8e506a7 100644
--- a/internal/services/network/network_manager_resource_test.go
+++ b/internal/services/network/network_manager_resource_test.go
@@ -240,7 +240,7 @@ resource "azurerm_network_manager" "test" {
   scope {
     subscription_ids = [data.azurerm_subscription.current.id]
   }
-  scope_accesses = ["Connectivity", "SecurityAdmin"]
+  scope_accesses = ["Connectivity", "SecurityAdmin", "Routing"]
   description    = "test network manager"
   tags = {
     foo = "bar"
diff --git a/website/docs/r/network_manager.html.markdown b/website/docs/r/network_manager.html.markdown
index 9a6764fe717a..d46f0a6ea970 100644
--- a/website/docs/r/network_manager.html.markdown
+++ b/website/docs/r/network_manager.html.markdown
@@ -49,7 +49,7 @@ The following arguments are supported:
 
 * `scope` - (Required) A `scope` block as defined below.
 
-* `scope_accesses` - (Required) A list of configuration deployment type. Possible values are `Connectivity` and `SecurityAdmin`, corresponds to if Connectivity Configuration and Security Admin Configuration is allowed for the Network Manager.
+* `scope_accesses` - (Required) A list of configuration deployment type. Possible values are `Connectivity`, `SecurityAdmin` and `Routing`, corresponds to if Connectivity Configuration, Security Admin Configuration or Routing Configuration is allowed for the Network Manager.
 
 * `description` - (Optional) A description of the network manager.