diff --git a/internal/services/servicebus/servicebus_namespace_authorization_rule_resource_test.go b/internal/services/servicebus/servicebus_namespace_authorization_rule_resource_test.go
index a5dfd834ac2a..5496f1e56922 100644
--- a/internal/services/servicebus/servicebus_namespace_authorization_rule_resource_test.go
+++ b/internal/services/servicebus/servicebus_namespace_authorization_rule_resource_test.go
@@ -180,19 +180,21 @@ resource "azurerm_resource_group" "secondary" {
 }
 
 resource "azurerm_servicebus_namespace" "primary_namespace_test" {
-  name                = "acctest1-%[1]d"
-  location            = azurerm_resource_group.primary.location
-  resource_group_name = azurerm_resource_group.primary.name
-  sku                 = "Premium"
-  capacity            = "1"
+  name                         = "acctest1-%[1]d"
+  location                     = azurerm_resource_group.primary.location
+  resource_group_name          = azurerm_resource_group.primary.name
+  sku                          = "Premium"
+  premium_messaging_partitions = 1
+  capacity                     = "1"
 }
 
 resource "azurerm_servicebus_namespace" "secondary_namespace_test" {
-  name                = "acctest2-%[1]d"
-  location            = azurerm_resource_group.secondary.location
-  resource_group_name = azurerm_resource_group.secondary.name
-  sku                 = "Premium"
-  capacity            = "1"
+  name                         = "acctest2-%[1]d"
+  location                     = azurerm_resource_group.secondary.location
+  resource_group_name          = azurerm_resource_group.secondary.name
+  sku                          = "Premium"
+  premium_messaging_partitions = 1
+  capacity                     = "1"
 }
 
 resource "azurerm_servicebus_namespace_disaster_recovery_config" "pairing_test" {
diff --git a/internal/services/servicebus/servicebus_namespace_data_source.go b/internal/services/servicebus/servicebus_namespace_data_source.go
index e89deb99ed9b..12486ba13628 100644
--- a/internal/services/servicebus/servicebus_namespace_data_source.go
+++ b/internal/services/servicebus/servicebus_namespace_data_source.go
@@ -50,6 +50,11 @@ func dataSourceServiceBusNamespace() *pluginsdk.Resource {
 				Computed: true,
 			},
 
+			"premium_messaging_partitions": {
+				Type:     pluginsdk.TypeInt,
+				Computed: true,
+			},
+
 			"default_primary_connection_string": {
 				Type:      pluginsdk.TypeString,
 				Computed:  true,
@@ -116,6 +121,7 @@ func dataSourceServiceBusNamespaceRead(d *pluginsdk.ResourceData, meta interface
 		}
 
 		if props := model.Properties; props != nil {
+			d.Set("premium_messaging_partitions", props.PremiumMessagingPartitions)
 			d.Set("zone_redundant", props.ZoneRedundant)
 			d.Set("endpoint", props.ServiceBusEndpoint)
 		}
diff --git a/internal/services/servicebus/servicebus_namespace_disaster_recovery_config_test.go b/internal/services/servicebus/servicebus_namespace_disaster_recovery_config_test.go
index 99903a81fff4..27509456dc3a 100644
--- a/internal/services/servicebus/servicebus_namespace_disaster_recovery_config_test.go
+++ b/internal/services/servicebus/servicebus_namespace_disaster_recovery_config_test.go
@@ -63,19 +63,21 @@ resource "azurerm_resource_group" "secondary" {
 }
 
 resource "azurerm_servicebus_namespace" "primary_namespace_test" {
-  name                = "acctest1-%[1]d"
-  location            = azurerm_resource_group.primary.location
-  resource_group_name = azurerm_resource_group.primary.name
-  sku                 = "Premium"
-  capacity            = "1"
+  name                         = "acctest1-%[1]d"
+  location                     = azurerm_resource_group.primary.location
+  resource_group_name          = azurerm_resource_group.primary.name
+  sku                          = "Premium"
+  capacity                     = "1"
+  premium_messaging_partitions = 1
 }
 
 resource "azurerm_servicebus_namespace" "secondary_namespace_test" {
-  name                = "acctest2-%[1]d"
-  location            = azurerm_resource_group.secondary.location
-  resource_group_name = azurerm_resource_group.secondary.name
-  sku                 = "Premium"
-  capacity            = "1"
+  name                         = "acctest2-%[1]d"
+  location                     = azurerm_resource_group.secondary.location
+  resource_group_name          = azurerm_resource_group.secondary.name
+  sku                          = "Premium"
+  capacity                     = "1"
+  premium_messaging_partitions = 1
 }
 
 resource "azurerm_servicebus_namespace_disaster_recovery_config" "pairing_test" {
diff --git a/internal/services/servicebus/servicebus_namespace_network_rule_set_resource_test.go b/internal/services/servicebus/servicebus_namespace_network_rule_set_resource_test.go
index 21d28bb98a81..713d99e8851c 100644
--- a/internal/services/servicebus/servicebus_namespace_network_rule_set_resource_test.go
+++ b/internal/services/servicebus/servicebus_namespace_network_rule_set_resource_test.go
@@ -157,12 +157,12 @@ resource "azurerm_resource_group" "test" {
 }
 
 resource "azurerm_servicebus_namespace" "test" {
-  name                = "acctest-sb-namespace-%[1]d"
-  location            = azurerm_resource_group.test.location
-  resource_group_name = azurerm_resource_group.test.name
-  sku                 = "Premium"
-
-  capacity = 1
+  name                         = "acctest-sb-namespace-%[1]d"
+  location                     = azurerm_resource_group.test.location
+  resource_group_name          = azurerm_resource_group.test.name
+  sku                          = "Premium"
+  premium_messaging_partitions = 1
+  capacity                     = 1
 }
 
 resource "azurerm_virtual_network" "test" {
diff --git a/internal/services/servicebus/servicebus_namespace_resource.go b/internal/services/servicebus/servicebus_namespace_resource.go
index 96c932b7a2f6..56fa2647cbb8 100644
--- a/internal/services/servicebus/servicebus_namespace_resource.go
+++ b/internal/services/servicebus/servicebus_namespace_resource.go
@@ -97,6 +97,14 @@ func resourceServiceBusNamespace() *pluginsdk.Resource {
 				ValidateFunc: validation.IntInSlice([]int{0, 1, 2, 4, 8, 16}),
 			},
 
+			"premium_messaging_partitions": {
+				Type:         pluginsdk.TypeInt,
+				ForceNew:     true,
+				Default:      0,
+				Optional:     true,
+				ValidateFunc: validation.IntInSlice([]int{0, 1, 2, 4}),
+			},
+
 			"customer_managed_key": {
 				Type:     pluginsdk.TypeList,
 				Optional: true,
@@ -336,6 +344,16 @@ func resourceServiceBusNamespaceCreateUpdate(d *pluginsdk.ResourceData, meta int
 		parameters.Sku.Capacity = utils.Int64(int64(capacity.(int)))
 	}
 
+	if premiumMessagingUnit := d.Get("premium_messaging_partitions"); premiumMessagingUnit != nil {
+		if !strings.EqualFold(sku, string(namespaces.SkuNamePremium)) && premiumMessagingUnit.(int) > 0 {
+			return fmt.Errorf("Premium messaging partition is not supported by service Bus SKU %q and it can only be set to 0", sku)
+		}
+		if strings.EqualFold(sku, string(namespaces.SkuNamePremium)) && premiumMessagingUnit.(int) == 0 {
+			return fmt.Errorf("Service Bus SKU %q only supports `premium_messaging_partitions` of 1, 2, 4", sku)
+		}
+		parameters.Properties.PremiumMessagingPartitions = utils.Int64(int64(premiumMessagingUnit.(int)))
+	}
+
 	if err := client.CreateOrUpdateThenPoll(ctx, id, parameters); err != nil {
 		return fmt.Errorf("creating/updating %s: %+v", id, err)
 	}
@@ -411,6 +429,7 @@ func resourceServiceBusNamespaceRead(d *pluginsdk.ResourceData, meta interface{}
 			d.Set("capacity", sku.Capacity)
 
 			if props := model.Properties; props != nil {
+				d.Set("premium_messaging_partitions", props.PremiumMessagingPartitions)
 				d.Set("zone_redundant", props.ZoneRedundant)
 				if customerManagedKey, err := flattenServiceBusNamespaceEncryption(props.Encryption); err == nil {
 					d.Set("customer_managed_key", customerManagedKey)
diff --git a/internal/services/servicebus/servicebus_namespace_resource_test.go b/internal/services/servicebus/servicebus_namespace_resource_test.go
index 08e55b520226..81ef24184e93 100644
--- a/internal/services/servicebus/servicebus_namespace_resource_test.go
+++ b/internal/services/servicebus/servicebus_namespace_resource_test.go
@@ -139,6 +139,17 @@ func TestAccAzureRMServiceBusNamespace_premiumCapacity(t *testing.T) {
 	})
 }
 
+func TestAccAzureRMServiceBusNamespace_premiumMessagingPartition(t *testing.T) {
+	data := acceptance.BuildTestData(t, "azurerm_servicebus_namespace", "test")
+	r := ServiceBusNamespaceResource{}
+	data.ResourceTest(t, r, []acceptance.TestStep{
+		{
+			Config:      r.premiumMessagingPartition(data),
+			ExpectError: regexp.MustCompile("Service Bus SKU \"Premium\" only supports `premium_messaging_partitions` of 1, 2, 4"),
+		},
+	})
+}
+
 func TestAccAzureRMServiceBusNamespace_zoneRedundant(t *testing.T) {
 	data := acceptance.BuildTestData(t, "azurerm_servicebus_namespace", "test")
 	r := ServiceBusNamespaceResource{}
@@ -404,11 +415,12 @@ resource "azurerm_resource_group" "test" {
 }
 
 resource "azurerm_servicebus_namespace" "test" {
-  name                = "acctestservicebusnamespace-%d"
-  location            = azurerm_resource_group.test.location
-  resource_group_name = azurerm_resource_group.test.name
-  sku                 = "Premium"
-  capacity            = 1
+  name                         = "acctestservicebusnamespace-%d"
+  location                     = azurerm_resource_group.test.location
+  resource_group_name          = azurerm_resource_group.test.name
+  sku                          = "Premium"
+  capacity                     = 4
+  premium_messaging_partitions = 1
 }
 `, data.RandomInteger, data.Locations.Primary, data.RandomInteger)
 }
@@ -445,12 +457,34 @@ resource "azurerm_resource_group" "test" {
   location = "%s"
 }
 
+resource "azurerm_servicebus_namespace" "test" {
+  name                         = "acctestservicebusnamespace-%d"
+  location                     = azurerm_resource_group.test.location
+  resource_group_name          = azurerm_resource_group.test.name
+  sku                          = "Premium"
+  capacity                     = 0
+  premium_messaging_partitions = 1
+}
+`, data.RandomInteger, data.Locations.Primary, data.RandomInteger)
+}
+
+func (ServiceBusNamespaceResource) premiumMessagingPartition(data acceptance.TestData) string {
+	return fmt.Sprintf(`
+provider "azurerm" {
+  features {}
+}
+
+resource "azurerm_resource_group" "test" {
+  name     = "acctestRG-%d"
+  location = "%s"
+}
+
 resource "azurerm_servicebus_namespace" "test" {
   name                = "acctestservicebusnamespace-%d"
   location            = azurerm_resource_group.test.location
   resource_group_name = azurerm_resource_group.test.name
   sku                 = "Premium"
-  capacity            = 0
+  capacity            = 2
 }
 `, data.RandomInteger, data.Locations.Primary, data.RandomInteger)
 }
@@ -467,12 +501,13 @@ resource "azurerm_resource_group" "test" {
 }
 
 resource "azurerm_servicebus_namespace" "test" {
-  name                = "acctestservicebusnamespace-%d"
-  location            = azurerm_resource_group.test.location
-  resource_group_name = azurerm_resource_group.test.name
-  sku                 = "Premium"
-  capacity            = 1
-  zone_redundant      = true
+  name                         = "acctestservicebusnamespace-%d"
+  location                     = azurerm_resource_group.test.location
+  resource_group_name          = azurerm_resource_group.test.name
+  sku                          = "Premium"
+  premium_messaging_partitions = 1
+  capacity                     = 1
+  zone_redundant               = true
 }
 `, data.RandomInteger, data.Locations.Primary, data.RandomInteger)
 }
@@ -631,11 +666,12 @@ resource "azurerm_key_vault_key" "test" {
 }
 
 resource "azurerm_servicebus_namespace" "test" {
-  name                = "acctestservicebusnamespace-%[2]d"
-  location            = azurerm_resource_group.test.location
-  resource_group_name = azurerm_resource_group.test.name
-  sku                 = "Premium"
-  capacity            = 1
+  name                         = "acctestservicebusnamespace-%[2]d"
+  location                     = azurerm_resource_group.test.location
+  resource_group_name          = azurerm_resource_group.test.name
+  sku                          = "Premium"
+  premium_messaging_partitions = 1
+  capacity                     = 1
 
   identity {
     type = "UserAssigned"
@@ -724,11 +760,12 @@ resource "azurerm_subnet" "test" {
 }
 
 resource "azurerm_servicebus_namespace" "test" {
-  name                = "acctestservicebusnamespace-%[1]d"
-  location            = azurerm_resource_group.test.location
-  resource_group_name = azurerm_resource_group.test.name
-  sku                 = "Premium"
-  capacity            = 1
+  name                         = "acctestservicebusnamespace-%[1]d"
+  location                     = azurerm_resource_group.test.location
+  resource_group_name          = azurerm_resource_group.test.name
+  sku                          = "Premium"
+  capacity                     = 1
+  premium_messaging_partitions = 1
 
   network_rule_set {
     default_action = "Deny"
@@ -771,12 +808,12 @@ resource "azurerm_subnet" "test" {
 }
 
 resource "azurerm_servicebus_namespace" "test" {
-  name                = "acctestservicebusnamespace-%[1]d"
-  location            = azurerm_resource_group.test.location
-  resource_group_name = azurerm_resource_group.test.name
-  sku                 = "Premium"
-  capacity            = 1
-
+  name                         = "acctestservicebusnamespace-%[1]d"
+  location                     = azurerm_resource_group.test.location
+  resource_group_name          = azurerm_resource_group.test.name
+  sku                          = "Premium"
+  capacity                     = 1
+  premium_messaging_partitions = 1
   network_rule_set {
     default_action                = "Deny"
     trusted_services_allowed      = true
@@ -822,11 +859,12 @@ resource "azurerm_subnet" "test" {
 }
 
 resource "azurerm_servicebus_namespace" "test" {
-  name                = "acctestservicebusnamespace-%[1]d"
-  location            = azurerm_resource_group.test.location
-  resource_group_name = azurerm_resource_group.test.name
-  sku                 = "Premium"
-  capacity            = 1
+  name                         = "acctestservicebusnamespace-%[1]d"
+  location                     = azurerm_resource_group.test.location
+  resource_group_name          = azurerm_resource_group.test.name
+  sku                          = "Premium"
+  capacity                     = 1
+  premium_messaging_partitions = 1
 
   network_rule_set {}
 }
diff --git a/internal/services/servicebus/servicebus_queue_authorization_rule_resource_test.go b/internal/services/servicebus/servicebus_queue_authorization_rule_resource_test.go
index 10e47ebdce41..1b2591b9188c 100644
--- a/internal/services/servicebus/servicebus_queue_authorization_rule_resource_test.go
+++ b/internal/services/servicebus/servicebus_queue_authorization_rule_resource_test.go
@@ -219,11 +219,12 @@ resource "azurerm_resource_group" "secondary" {
 }
 
 resource "azurerm_servicebus_namespace" "primary_namespace_test" {
-  name                = "acctest1-%[1]d"
-  location            = azurerm_resource_group.primary.location
-  resource_group_name = azurerm_resource_group.primary.name
-  sku                 = "Premium"
-  capacity            = "1"
+  name                         = "acctest1-%[1]d"
+  location                     = azurerm_resource_group.primary.location
+  resource_group_name          = azurerm_resource_group.primary.name
+  sku                          = "Premium"
+  capacity                     = "1"
+  premium_messaging_partitions = 1
 }
 
 resource "azurerm_servicebus_queue" "example" {
@@ -232,11 +233,12 @@ resource "azurerm_servicebus_queue" "example" {
 }
 
 resource "azurerm_servicebus_namespace" "secondary_namespace_test" {
-  name                = "acctest2-%[1]d"
-  location            = azurerm_resource_group.secondary.location
-  resource_group_name = azurerm_resource_group.secondary.name
-  sku                 = "Premium"
-  capacity            = "1"
+  name                         = "acctest2-%[1]d"
+  location                     = azurerm_resource_group.secondary.location
+  resource_group_name          = azurerm_resource_group.secondary.name
+  sku                          = "Premium"
+  capacity                     = "1"
+  premium_messaging_partitions = 1
 }
 
 resource "azurerm_servicebus_namespace_disaster_recovery_config" "pairing_test" {
diff --git a/internal/services/servicebus/servicebus_queue_resource_test.go b/internal/services/servicebus/servicebus_queue_resource_test.go
index d04cdc0f2c01..95f5e6a1d5b7 100644
--- a/internal/services/servicebus/servicebus_queue_resource_test.go
+++ b/internal/services/servicebus/servicebus_queue_resource_test.go
@@ -435,11 +435,12 @@ resource "azurerm_resource_group" "test" {
 }
 
 resource "azurerm_servicebus_namespace" "test" {
-  name                = "acctestservicebusnamespace-%d"
-  resource_group_name = azurerm_resource_group.test.name
-  location            = azurerm_resource_group.test.location
-  sku                 = "Premium"
-  capacity            = 1
+  name                         = "acctestservicebusnamespace-%d"
+  resource_group_name          = azurerm_resource_group.test.name
+  location                     = azurerm_resource_group.test.location
+  sku                          = "Premium"
+  premium_messaging_partitions = 1
+  capacity                     = 1
 }
 
 resource "azurerm_servicebus_queue" "test" {
@@ -465,11 +466,12 @@ resource "azurerm_resource_group" "test" {
 }
 
 resource "azurerm_servicebus_namespace" "test" {
-  name                = "acctestservicebusnamespace-%d"
-  resource_group_name = azurerm_resource_group.test.name
-  location            = azurerm_resource_group.test.location
-  sku                 = "Premium"
-  capacity            = 1
+  name                         = "acctestservicebusnamespace-%d"
+  resource_group_name          = azurerm_resource_group.test.name
+  location                     = azurerm_resource_group.test.location
+  sku                          = "Premium"
+  premium_messaging_partitions = 1
+  capacity                     = 1
 }
 
 resource "azurerm_servicebus_queue" "test" {
diff --git a/internal/services/servicebus/servicebus_subscription_resource_test.go b/internal/services/servicebus/servicebus_subscription_resource_test.go
index 7bc338a64fa5..d5402e3cffa4 100644
--- a/internal/services/servicebus/servicebus_subscription_resource_test.go
+++ b/internal/services/servicebus/servicebus_subscription_resource_test.go
@@ -396,11 +396,12 @@ resource "azurerm_resource_group" "test" {
 }
 
 resource "azurerm_servicebus_namespace" "test" {
-  name                = "acctestsbn-%[1]d"
-  location            = "${azurerm_resource_group.test.location}"
-  resource_group_name = "${azurerm_resource_group.test.name}"
-  sku                 = "Premium"
-  capacity            = 1
+  name                         = "acctestsbn-%[1]d"
+  location                     = "${azurerm_resource_group.test.location}"
+  resource_group_name          = "${azurerm_resource_group.test.name}"
+  sku                          = "Premium"
+  premium_messaging_partitions = 1
+  capacity                     = 1
 }
 
 resource "azurerm_servicebus_topic" "test" {
diff --git a/internal/services/servicebus/servicebus_topic_authorization_rule_resource_test.go b/internal/services/servicebus/servicebus_topic_authorization_rule_resource_test.go
index ca9abc725ddf..c87a2b3c4468 100644
--- a/internal/services/servicebus/servicebus_topic_authorization_rule_resource_test.go
+++ b/internal/services/servicebus/servicebus_topic_authorization_rule_resource_test.go
@@ -219,11 +219,12 @@ resource "azurerm_resource_group" "secondary" {
 }
 
 resource "azurerm_servicebus_namespace" "primary_namespace_test" {
-  name                = "acctest1-%[1]d"
-  location            = azurerm_resource_group.primary.location
-  resource_group_name = azurerm_resource_group.primary.name
-  sku                 = "Premium"
-  capacity            = "1"
+  name                         = "acctest1-%[1]d"
+  location                     = azurerm_resource_group.primary.location
+  resource_group_name          = azurerm_resource_group.primary.name
+  sku                          = "Premium"
+  premium_messaging_partitions = 1
+  capacity                     = "1"
 }
 
 resource "azurerm_servicebus_topic" "example" {
@@ -232,11 +233,12 @@ resource "azurerm_servicebus_topic" "example" {
 }
 
 resource "azurerm_servicebus_namespace" "secondary_namespace_test" {
-  name                = "acctest2-%[1]d"
-  location            = azurerm_resource_group.secondary.location
-  resource_group_name = azurerm_resource_group.secondary.name
-  sku                 = "Premium"
-  capacity            = "1"
+  name                         = "acctest2-%[1]d"
+  location                     = azurerm_resource_group.secondary.location
+  resource_group_name          = azurerm_resource_group.secondary.name
+  sku                          = "Premium"
+  premium_messaging_partitions = 1
+  capacity                     = "1"
 }
 
 resource "azurerm_servicebus_namespace_disaster_recovery_config" "pairing_test" {
diff --git a/internal/services/servicebus/servicebus_topic_resource_test.go b/internal/services/servicebus/servicebus_topic_resource_test.go
index 309c2845b14f..7c9e9f87101d 100644
--- a/internal/services/servicebus/servicebus_topic_resource_test.go
+++ b/internal/services/servicebus/servicebus_topic_resource_test.go
@@ -377,11 +377,12 @@ resource "azurerm_resource_group" "test" {
 }
 
 resource "azurerm_servicebus_namespace" "test" {
-  name                = "acctestservicebusnamespace-%d"
-  location            = azurerm_resource_group.test.location
-  resource_group_name = azurerm_resource_group.test.name
-  sku                 = "Premium"
-  capacity            = 1
+  name                         = "acctestservicebusnamespace-%d"
+  location                     = azurerm_resource_group.test.location
+  resource_group_name          = azurerm_resource_group.test.name
+  sku                          = "Premium"
+  premium_messaging_partitions = 1
+  capacity                     = 1
 }
 
 resource "azurerm_servicebus_topic" "test" {
@@ -433,11 +434,12 @@ resource "azurerm_resource_group" "test" {
 }
 
 resource "azurerm_servicebus_namespace" "test" {
-  name                = "acctestservicebusnamespace-%d"
-  location            = azurerm_resource_group.test.location
-  resource_group_name = azurerm_resource_group.test.name
-  sku                 = "Premium"
-  capacity            = 1
+  name                         = "acctestservicebusnamespace-%d"
+  location                     = azurerm_resource_group.test.location
+  resource_group_name          = azurerm_resource_group.test.name
+  sku                          = "Premium"
+  premium_messaging_partitions = 1
+  capacity                     = 1
 }
 
 resource "azurerm_servicebus_topic" "test" {
diff --git a/website/docs/d/servicebus_namespace.html.markdown b/website/docs/d/servicebus_namespace.html.markdown
index 95f566b6b442..6df2db80db3e 100644
--- a/website/docs/d/servicebus_namespace.html.markdown
+++ b/website/docs/d/servicebus_namespace.html.markdown
@@ -37,6 +37,8 @@ output "location" {
 
 * `capacity` - The capacity of the ServiceBus Namespace.
 
+* `premium_messaging_partitions` - The messaging partitions of the ServiceBus Namespace.
+
 * `zone_redundant` - Whether or not this ServiceBus Namespace is zone redundant.
 
 * `endpoint` - The URL to access the ServiceBus Namespace.
diff --git a/website/docs/r/servicebus_namespace.html.markdown b/website/docs/r/servicebus_namespace.html.markdown
index 045d6698fa04..434956c562bc 100644
--- a/website/docs/r/servicebus_namespace.html.markdown
+++ b/website/docs/r/servicebus_namespace.html.markdown
@@ -51,6 +51,10 @@ The following arguments are supported:
 
 * `capacity` - (Optional) Specifies the capacity. When `sku` is `Premium`, capacity can be `1`, `2`, `4`, `8` or `16`. When `sku` is `Basic` or `Standard`, capacity can be `0` only.
 
+* `premium_messaging_partitions` - (Optional) Specifies the number messaging partitions. Only valid when `sku` is `Premium` and the minimum number is `1`. Possible values include `0`, `1`, `2`, and `4`. Defaults to `0` for Standard, Basic namespace. Changing this forces a new resource to be created.
+
+-> **Note:** It's not possible to change the partitioning option on any existing namespace. The number of partitions can only be set during namespace creation. Please check the doc https://learn.microsoft.com/en-us/azure/service-bus-messaging/enable-partitions-premium for more feature restrictions. 
+
 * `customer_managed_key` - (Optional) An `customer_managed_key` block as defined below.
 
 * `local_auth_enabled` - (Optional) Whether or not SAS authentication is enabled for the Service Bus namespace. Defaults to `true`.