diff --git a/modules/databases/mssql_managed_database_v1/var/settings/srtdays.tf b/modules/databases/mssql_managed_database_v1/var/settings/srtdays.tf
index e3c46fdf22..3fad8e7f80 100644
--- a/modules/databases/mssql_managed_database_v1/var/settings/srtdays.tf
+++ b/modules/databases/mssql_managed_database_v1/var/settings/srtdays.tf
@@ -1,9 +1,9 @@
 variable "short_term_retention_days" {
-  description = "short_term_retention_days .The backup retention period in days. This is how many days Point-in-Time Restore will be supported. Value must be atleast 1"
-  nullable    = false
+  description = "short_term_retention_days (Optional) .The backup retention period in days. This is how many days Point-in-Time Restore will be supported. Value must be atleast 1"
+  nullable    = true
 
   validation {
-    condition = var.short_term_retention_days >= 1
+    condition = var.short_term_retention_day == null ? true : var.short_term_retention_days >= 1
 
     error_message = format("Not supported value: '%s'. \nAdjust your configuration file with a supported value of 1 or more days", var.short_term_retention_days)
   }
diff --git a/modules/databases/mssql_managed_instance/managed_instance.tf b/modules/databases/mssql_managed_instance/managed_instance.tf
index 31cb3843de..84757e9031 100644
--- a/modules/databases/mssql_managed_instance/managed_instance.tf
+++ b/modules/databases/mssql_managed_instance/managed_instance.tf
@@ -10,7 +10,7 @@ resource "azurecaf_name" "mssqlmi" {
 
 resource "azurerm_resource_group_template_deployment" "mssqlmi" {
 
-  name                = "mssqlmi"
+  name                = azurecaf_name.mssqlmi.result
   resource_group_name = var.resource_group_name
 
   template_content = file(local.arm_filename)