RedisEnterprise E1 SKU not available in azurerm provider (reverted change in PR #28516)

[rakshith-ponnappa]

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Terraform Version

1.12.*

AzureRM Provider Version

4.34.0

Affected Resource(s)/Data Source(s)

azurerm_redis_enterprise_database

Terraform Configuration Files

resource "azurerm_redis_enterprise_database" "example" {
  name                = "example-db"
  cluster_id          = azurerm_redis_enterprise_cluster.example.id
  client_protocol     = "Encrypted"
  port                = 10000
  resource_group_name = azurerm_resource_group.example.name

  sku_name = "E1" # Fails – not recognized as valid SKU
}

Debug Output/Panic Output

│ Error: expected sku_name to be one of [Enterprise_E10 Enterprise_E20 Enterprise_E50 ...], got E1
│
│   with azurerm_redis_enterprise_database.example,
│   on main.tf line 12, in resource "azurerm_redis_enterprise_database" "example":
│   12:   sku_name = "E1"
│

Expected Behaviour

Terraform should successfully plan and apply with the E1 SKU, as this SKU exists in Azure and was included in the RedisEnterprise SDK update (2024-10-01).

Actual Behaviour

Plan/apply fails with:
│ Error: expected sku_name to be one of [Enterprise_E10 Enterprise_E20 Enterprise_E50 ...], got E1

Steps to Reproduce

1. Use provider version 4.34.0
2. Define a Redis Enterprise database with sku_name = "E1"
3. Run terraform plan

Important Factoids

• Running in Azure Commercial (Global) - Region: East US - Confirmed that E1 SKU is visible and deployable via Azure Portal and CLI. - The issue only occurs when using Terraform provider (azurerm).

References

• PR #28280 – Update the redisenterprise sdk to 2024-10-01 to update SKU list
• PR #28516 – Revert update to 2024-10-01 SDK to update SKU list

🧩 Additional Context

The E1 SKU was introduced in PR #28280
(Update the redisenterprise sdk to 2024-10-01 to update SKU list) but was later reverted in
#28516.

As a result, Terraform users cannot deploy Redis Enterprise clusters using the E1 SKU,
even though it’s available in the Azure Portal and SDK.

Requesting confirmation and re-addition of E1 in the upcoming SDK refresh cycle.