diff --git a/terraform/environments/delius-core/locals_development.tf b/terraform/environments/delius-core/locals_development.tf
index ccba045c6f7..2c56348bf20 100644
--- a/terraform/environments/delius-core/locals_development.tf
+++ b/terraform/environments/delius-core/locals_development.tf
@@ -132,12 +132,12 @@ locals {
       container_cpu    = 1024
     }
 
-    user_management = {
+    umt = {
       image_tag                        = "5.7.6"
       container_port                   = 8080
       container_memory                 = 4096
       container_cpu                    = 1024
-      elasticache_version              = "6.0"
+      elasticache_version              = "6.2"
       elasticache_node_type            = "cache.t3.small"
       elasticache_port                 = 6379
       elasticache_parameter_group_name = "default.redis6.x"
diff --git a/terraform/environments/delius-core/locals_test.tf b/terraform/environments/delius-core/locals_test.tf
index 017b3f8e946..fbb3c7b76ff 100644
--- a/terraform/environments/delius-core/locals_test.tf
+++ b/terraform/environments/delius-core/locals_test.tf
@@ -128,24 +128,17 @@ locals {
       container_cpu    = 1024
     }
 
-    user_management = {
+    umt = {
       image_tag                        = "5.7.6"
       container_port                   = 8080
       container_memory                 = 4096
       container_cpu                    = 1024
-      elasticache_version              = "6.0"
+      elasticache_version              = "6.2"
       elasticache_node_type            = "cache.t3.small"
       elasticache_port                 = 6379
       elasticache_parameter_group_name = "default.redis6.x"
     }
 
-    user_management_config_test = {
-      image_tag        = "5.7.6"
-      container_port   = 8080
-      container_memory = 4096
-      container_cpu    = 2048
-    }
-
     pwm = {
       image_tag        = "8250538047-1"
       container_port   = 8080
diff --git a/terraform/environments/delius-core/modules/delius_environment/user_management.tf b/terraform/environments/delius-core/modules/delius_environment/umt.tf
similarity index 79%
rename from terraform/environments/delius-core/modules/delius_environment/user_management.tf
rename to terraform/environments/delius-core/modules/delius_environment/umt.tf
index 7fdf7dc0d7c..bd5f9e39241 100644
--- a/terraform/environments/delius-core/modules/delius_environment/user_management.tf
+++ b/terraform/environments/delius-core/modules/delius_environment/umt.tf
@@ -1,4 +1,4 @@
-module "user_management" {
+module "umt" {
   source                = "../helpers/delius_microservice"
   account_config        = var.account_config
   account_info          = var.account_info
@@ -6,24 +6,24 @@ module "user_management" {
   certificate_arn       = aws_acm_certificate.external.arn
 
   container_vars_default      = {}
-  container_vars_env_specific = try(var.delius_microservice_configs.user_management.container_vars_env_specific, {})
+  container_vars_env_specific = try(var.delius_microservice_configs.umt.container_vars_env_specific, {})
 
   container_secrets_default      = {}
-  container_secrets_env_specific = try(var.delius_microservice_configs.user_management.container_secrets_env_specific, {})
+  container_secrets_env_specific = try(var.delius_microservice_configs.umt.container_secrets_env_specific, {})
 
   container_port_config = [
     {
-      containerPort = var.delius_microservice_configs.user_management.container_port
+      containerPort = var.delius_microservice_configs.umt.container_port
       protocol      = "tcp"
     }
   ]
 
-  name     = "user-management"
+  name     = "umt"
   env_name = var.env_name
 
   ecs_cluster_arn  = module.ecs.ecs_cluster_arn
-  container_memory = var.delius_microservice_configs.user_management.container_memory
-  container_cpu    = var.delius_microservice_configs.user_management.container_cpu
+  container_memory = var.delius_microservice_configs.umt.container_memory
+  container_cpu    = var.delius_microservice_configs.umt.container_cpu
 
   health_check_path                 = "/umt"
   health_check_grace_period_seconds = 600
@@ -37,11 +37,12 @@ module "user_management" {
 
   create_elasticache               = true
   elasticache_engine               = "redis"
-  elasticache_engine_version       = var.delius_microservice_configs.user_management.elasticache_version
-  elasticache_node_type            = var.delius_microservice_configs.user_management.elasticache_node_type
+  elasticache_engine_version       = var.delius_microservice_configs.umt.elasticache_version
+  elasticache_node_type            = var.delius_microservice_configs.umt.elasticache_node_type
   elasticache_port                 = 6379
-  elasticache_parameter_group_name = var.delius_microservice_configs.user_management.elasticache_parameter_group_name
+  elasticache_parameter_group_name = var.delius_microservice_configs.umt.elasticache_parameter_group_name
   elasticache_subnet_group_name    = "nextcloud-elasticache-subnet-group"
+  elasticache_apply_immediately   = true
 
   elasticache_parameters = {
     "notify-keyspace-events" = "eA"
@@ -53,7 +54,7 @@ module "user_management" {
   microservice_lb_https_listener_arn = aws_lb_listener.listener_https.arn
   alb_listener_rule_paths            = ["/umt"]
 
-  container_image = "${var.platform_vars.environment_management.account_ids["core-shared-services-production"]}.dkr.ecr.eu-west-2.amazonaws.com/delius-core-user-management-ecr-repo:${var.delius_microservice_configs.user_management.image_tag}"
+  container_image = "${var.platform_vars.environment_management.account_ids["core-shared-services-production"]}.dkr.ecr.eu-west-2.amazonaws.com/delius-core-user-management-ecr-repo:${var.delius_microservice_configs.umt.image_tag}"
 
   platform_vars = var.platform_vars
   tags          = var.tags
diff --git a/terraform/environments/delius-core/modules/helpers/delius_microservice/elasticache.tf b/terraform/environments/delius-core/modules/helpers/delius_microservice/elasticache.tf
index c85733aa74a..1f8c983af38 100644
--- a/terraform/environments/delius-core/modules/helpers/delius_microservice/elasticache.tf
+++ b/terraform/environments/delius-core/modules/helpers/delius_microservice/elasticache.tf
@@ -16,6 +16,7 @@ resource "aws_elasticache_cluster" "this" {
   engine_version             = var.elasticache_engine_version
   port                       = var.elasticache_port
   subnet_group_name          = aws_elasticache_subnet_group.this[0].name
+  apply_immediately          = var.elasticache_apply_immediately
   auto_minor_version_upgrade = true
   final_snapshot_identifier  = var.elasticache_engine == "redis" ? "final-redis-${var.name}-${var.env_name}" : null
   maintenance_window         = var.maintenance_window
diff --git a/terraform/environments/delius-core/modules/helpers/delius_microservice/variables.tf b/terraform/environments/delius-core/modules/helpers/delius_microservice/variables.tf
index 5d4f4f6d75d..9b6615b4d00 100644
--- a/terraform/environments/delius-core/modules/helpers/delius_microservice/variables.tf
+++ b/terraform/environments/delius-core/modules/helpers/delius_microservice/variables.tf
@@ -281,6 +281,12 @@ variable "elasticache_engine" {
   default     = "redis"
 }
 
+variable "elasticache_apply_immediately" {
+  description = "Apply changes immediately"
+  type        = bool
+  default     = false
+}
+
 variable "elasticache_endpoint_environment_variable" {
   description = "Environment variable to store the elasticache endpoint"
   type        = string