Azure Search Services SKU Basic Supports Partitions upto 3 in azure portal but through terraform it's not supported more than 1

[Gnana-Bharathi-K]

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Terraform Version

1.8.2

AzureRM Provider Version

4.11.0

Affected Resource(s)/Data Source(s)

azurerm_search_service

Terraform Configuration Files

resource "azurerm_search_service" "search_service" {
  name                                     = "example"
  resource_group_name                      = "example-rg-name"
  location                                 = "eastus"
  sku                                      = "basic"
  public_network_access_enabled            = false
  authentication_failure_mode              = "http403"
  local_authentication_enabled             = true
  customer_managed_key_enforcement_enabled = false
  replica_count                            = 3
  partition_count                          = 3
}

Debug Output/Panic Output

╷
│ Error: 'partition_count' values greater than 1 cannot be set for the "basic" SKU, got 3)
│
│   with module.search_service.azurerm_search_service.search_service,
│   on module\search-services.tf line 1, in resource "azurerm_search_service" "search_service":
│    1: resource "azurerm_search_service" "search_service" {
│
╵

Expected Behaviour

With provided configurations of Basic SKU and Partitions more than 1 the terraform apply should deploy with result message as

Creation complete after [id="/subscriptions//resourceGroups//providers/Microsoft.Search/searchServices/"]

Actual Behaviour

╷
│ Error: 'partition_count' values greater than 1 cannot be set for the "basic" SKU, got 3)
│
│ with module.search_service.azurerm_search_service.search_service,
│ on module\search-services.tf line 1, in resource "azurerm_search_service" "search_service":
│ 1: resource "azurerm_search_service" "search_service" {
│
╵

Steps to Reproduce

1. create a search service resource with basic sku and partition count greater than 1
   resource "azurerm_search_service" "search_service" {
   name = "example"
   resource_group_name = "example-rg-name"
   location = "eastus"
   sku = "basic"
   public_network_access_enabled = false
   authentication_failure_mode = "http403"
   local_authentication_enabled = true
   customer_managed_key_enforcement_enabled = false
   replica_count = 3
   partition_count = 3
   }

2. run terraform apply -auto-approve to reproduce the issue

Important Factoids

No response

References

The Official Microsoft Documents for reference https://learn.microsoft.com/en-us/azure/search/search-sku-tier
Which supports 9 search units and 3 counts for both partitions and replicas under SKU basic

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