diff --git a/docs/CONFIG-VARS.md b/docs/CONFIG-VARS.md
index 66c29371..36e091fe 100644
--- a/docs/CONFIG-VARS.md
+++ b/docs/CONFIG-VARS.md
@@ -349,7 +349,7 @@ When `storage_type=ha` and `storage_type_backend=ontap`, an [AWS FSx for NetApp
 <!--| Name | Description | Type | Default | Notes | -->
 | <div style="width:50px">Name</div> | <div style="width:150px">Description</div> | <div style="width:50px">Type</div> | <div style="width:75px">Default</div> | <div style="width:150px">Notes</div> |
 | :--- | :--- | :--- | :--- | :--- |
-| aws_fsx_ontap_deployment_type | The FSx file system availability zone deployment type. | string | SINGLE_AZ_1 | Supported values are `MULTI_AZ_1` and `SINGLE_AZ_1`. |
+| aws_fsx_ontap_deployment_type | The FSx file system availability zone deployment type. | string | SINGLE_AZ_1 | Supported values are `MULTI_AZ_1`, `MULTI_AZ_2`, `SINGLE_AZ_1`, and `SINGLE_AZ_2`. |
 | aws_fsx_ontap_file_system_storage_capacity | The storage capacity of the ONTAP file system in GiB. | number | 1024 | Valid values range from  1024 to 196608. |
 | aws_fsx_ontap_file_system_throughput_capacity | The throughput capacity of the ONTAP file system in MBps. | number | 256 | Valid values are 128, 256, 512, 1024, 2048 and 4096. |
 | aws_fsx_ontap_fsxadmin_password | The ONTAP administrative password for the fsxadmin user. | string | "v3RyS3cretPa$sw0rd" | |
diff --git a/variables.tf b/variables.tf
index c3c894ca..17452b86 100644
--- a/variables.tf
+++ b/variables.tf
@@ -759,15 +759,15 @@ variable "enable_efs_encryption" {
   default     = false
 }
 
-# The FSx filesystem availability zone deployment type. Supports MULTI_AZ_1 and SINGLE_AZ_1
+# The FSx filesystem availability zone deployment type. Supports MULTI_AZ_1, MULTI_AZ_2, SINGLE_AZ_1, and SINGLE_AZ_2
 variable "aws_fsx_ontap_deployment_type" {
-  description = "The FSx filesystem availability zone deployment type. Supports MULTI_AZ_1 and SINGLE_AZ_1"
+  description = "The FSx filesystem availability zone deployment type. Supports MULTI_AZ_1, MULTI_AZ_2, SINGLE_AZ_1, and SINGLE_AZ_2."
   type        = string
   default     = "SINGLE_AZ_1"
 
   validation {
-    condition     = contains(["single_az_1", "multi_az_1"], lower(var.aws_fsx_ontap_deployment_type))
-    error_message = "ERROR: Supported values for `fsx_ontap_deployment_type` are - SINGLE_AZ_1, MULTI_AZ_1."
+    condition     = contains(["single_az_1", "single_az_2", "multi_az_1", "multi_az_2"], lower(var.aws_fsx_ontap_deployment_type))
+    error_message = "ERROR: Supported values for `aws_fsx_ontap_deployment_type` are SINGLE_AZ_1, SINGLE_AZ_2, MULTI_AZ_1, and MULTI_AZ_2."
   }
 }
 
diff --git a/vms.tf b/vms.tf
index cdcb1639..7e4c31af 100644
--- a/vms.tf
+++ b/vms.tf
@@ -27,9 +27,10 @@ resource "aws_fsx_ontap_file_system" "ontap-fs" {
   # Exposing as an input variable since not all regions support both types
   deployment_type = var.aws_fsx_ontap_deployment_type
 
-  # If deployment_type is SINGLE_AZ_1 then subnet_ids should have 1 subnet ID
-  # If deployment_type is MULTI_AZ_1 then subnet_ids should have 2 subnet IDs, there is a 2 subnet ID maximum
-  subnet_ids          = var.aws_fsx_ontap_deployment_type == "SINGLE_AZ_1" ? [module.vpc.private_subnets[0]] : module.vpc.private_subnets
+  # If deployment_type is SINGLE_AZ then subnet_ids should have 1 subnet ID
+  # If deployment_type is MULTI_AZ then subnet_ids should have 2 subnet IDs, there is a 2 subnet ID maximum
+  subnet_ids = contains(["SINGLE_AZ_1", "SINGLE_AZ_2"], var.aws_fsx_ontap_deployment_type)
+    ? [module.vpc.private_subnets[0]] : module.vpc.private_subnets
   throughput_capacity = var.aws_fsx_ontap_file_system_throughput_capacity
   preferred_subnet_id = module.vpc.private_subnets[0]
   security_group_ids  = [local.workers_security_group_id]