415 questions with Azure Cache for Redis tags

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CMK with Azure Key Vault Managed HSM for Azure Managed Redis

Please confirm availability of CMK support status with Azure Key Vault managed HSM for Azure Managed Redis. Services that support customer-managed keys in Azure | Microsoft Learn : AMR is not listed here Configure disk encryption in Azure Managed Redis -…

Azure Cache for Redis
Azure Cache for Redis

An Azure service that provides access to a secure, dedicated Redis cache, managed by Microsoft.

415 questions
asked 2026-07-30T06:35:54.92+00:00
CHUNSIK KIM 1 Reputation point Microsoft Employee
commented 2026-08-02T21:49:46.26+00:00
Srikanth Chavithina 265 Reputation points Microsoft External Staff Moderator
1 answer

Unable to provision new Azure Managed Redis instance

We are unable to provision new Azure Managed Redis instances. Existing Azure Managed Redis instances created approximately two weeks ago continue to operate normally. New deployments fail consistently from both the Azure Portal and Terraform (AzAPI). The…

Azure Cache for Redis
Azure Cache for Redis

An Azure service that provides access to a secure, dedicated Redis cache, managed by Microsoft.

415 questions
asked 2026-07-24T08:27:42.8066667+00:00
Suresh Panthangi 21 Reputation points
commented 2026-08-02T07:37:51.11+00:00
Ganesh Chelluri 90 Reputation points Microsoft External Staff Moderator
2 answers

Azure Managed Redis deployment fails with AllocationFailed in East US 2 due to insufficient capacity

I am trying to deploy an Azure Managed Redis instance in the East US 2 region using Azure CLI and Bicep. However, the deployment fails with the following error: I have already retried the deployment multiple times, but I receive the same error. I have…

Azure Cache for Redis
Azure Cache for Redis

An Azure service that provides access to a secure, dedicated Redis cache, managed by Microsoft.

415 questions
asked 2026-07-21T00:07:15.8366667+00:00
Saikumar Polavaram 20 Reputation points
answered 2026-08-02T07:08:41.7433333+00:00
Ganesh Chelluri 90 Reputation points Microsoft External Staff Moderator
0 answers

azure managed redis node connects with ip, not SNI for TLS

I have an azure managed redis instance set up in OSS Clustering mode. The redis cluster has a hostname xyz.eastus.redis.azure.net, so I can connect to it via TLS and verify that the certificate on the cluster matches the hostname. But when I do 'CLUSTER…

Azure Cache for Redis
Azure Cache for Redis

An Azure service that provides access to a secure, dedicated Redis cache, managed by Microsoft.

415 questions
asked 2026-07-31T16:33:59.11+00:00
Jon 0 Reputation points
edited a comment 2026-07-31T18:31:14.9366667+00:00
Jon 0 Reputation points
2 answers

Security update: Redis response to the Kimi K3 vulnerability claims

We reviewed the following Redis security advisory: https://redis.io/blog/security-update-redis-response-to-the-kimi-k3-vulnerability-claims/ Could you please confirm whether a patch or security update is available for this reported vulnerability? If not,…

Azure Cache for Redis
Azure Cache for Redis

An Azure service that provides access to a secure, dedicated Redis cache, managed by Microsoft.

415 questions
asked 2026-07-30T13:00:48.4666667+00:00
ZTS 65 Reputation points
edited an answer 2026-07-30T17:12:03.49+00:00
Sina Salam 31,056 Reputation points Volunteer Moderator
3 answers

Creation of Azure Managed Redis in North Europe fails

Creation of Azure Managed Redis in North Europe fails but succeeds in Germany West Central using the exact same Terraform code.

Azure Cache for Redis
Azure Cache for Redis

An Azure service that provides access to a secure, dedicated Redis cache, managed by Microsoft.

415 questions
asked 2026-07-30T09:02:23.2+00:00
Robin Smorenburg 0 Reputation points
answered 2026-07-30T11:40:33.2+00:00
Manoj Kumar Boyini 19,270 Reputation points Microsoft External Staff Moderator
2 answers

Failure to deploy an Azure Managed Redis resource in West Europe region

We are trying to deploy a non-clustered Azure Managed Redis resource in West Europe. We have tried with different sizes (B0, B1, B3, B5) and all deployments are failing with statusCode: "Conflict", statusMessage: { "status":…

Azure Cache for Redis
Azure Cache for Redis

An Azure service that provides access to a secure, dedicated Redis cache, managed by Microsoft.

415 questions
asked 2026-05-20T07:23:47.3833333+00:00
Vladislav Karamfilov 15 Reputation points
commented 2026-07-30T05:33:31.4166667+00:00
Sreekumar Gopakumar 0 Reputation points
1 answer

com.ntrs.wpa.azure.redis.exception.AzureRedisAuthenticationException: Failed to acquire Azure Redis access token

Workload Identity token is successfully mounted JWT audience and subject are correct Federated Credential appears correctly configured Managed Identity data access policy exists on Azure Managed Redis

Azure Cache for Redis
Azure Cache for Redis

An Azure service that provides access to a secure, dedicated Redis cache, managed by Microsoft.

415 questions
asked 2026-07-29T18:34:57.0033333+00:00
Bhavya Perumalla 0 Reputation points
answered 2026-07-29T18:35:16.8+00:00

AI answer

1 answer

Cannot create Azure Managed Redis (Microsoft.Cache/redisEnterprise)

Tested: Balanced_B0, B1, B3 - all fail with "OperationFailed". Tested: eastus, eastus2 - same result. Public and private network access - same result. HA enabled - same result. Microsoft.Cache provider is Registered. No policies…

Azure Cache for Redis
Azure Cache for Redis

An Azure service that provides access to a secure, dedicated Redis cache, managed by Microsoft.

415 questions
asked 2026-04-17T16:15:29.8766667+00:00
Serafim Pinto 10 Reputation points
commented 2026-07-29T17:59:50.1233333+00:00
Holloway, Mason 0 Reputation points
2 answers

Azure Cache for Redis scale-down stuck in "Scaling" state for days, all subsequent updates fail

We have an Azure Cache for Redis instance. A scale-down operation from Premium P3 to Premium P1 was initiated on 2026-07-09 13:59 CEST. The operation was accepted successfully and the Activity Log shows "Update Redis Cache - Accepted", but the…

Azure Cache for Redis
Azure Cache for Redis

An Azure service that provides access to a secure, dedicated Redis cache, managed by Microsoft.

415 questions
asked 2026-07-15T07:55:33.3966667+00:00
Julien Iseli 0 Reputation points
answered 2026-07-29T14:53:07.17+00:00
SAI JAGADEESH KUDIPUDI 3,640 Reputation points Microsoft External Staff Moderator
2 answers

Azure Managed Redis stuck in Failed/ScalingFailed after B3 to B5 scale fails with AllocationFailed (East US), how to clear state and get B5 capacity?

Hoping for some help with an Azure Managed Redis (Redis Enterprise) instance - Balanced tier, HA + zone-redundant (2 nodes), running in East US. I'm trying to scale it up from Balanced_B3 to Balanced_B5 with no downtime (HA is on). Every attempt goes…

Azure Cache for Redis
Azure Cache for Redis

An Azure service that provides access to a secure, dedicated Redis cache, managed by Microsoft.

415 questions
asked 2026-07-27T11:56:58.0733333+00:00
Alican 5 Reputation points
commented 2026-07-29T14:41:39.7566667+00:00
SAI JAGADEESH KUDIPUDI 3,640 Reputation points Microsoft External Staff Moderator
2 answers

Azure Managed Redis (Redis Enterprise) creation fails with generic OperationFailed in UK South

Creating a new Azure Managed Redis (Microsoft.Cache/redisEnterprise) resource, SKU Balanced_B0, in UK South fails consistently with no useful detail: Status: Failed Code: OperationFailed Message: The operation failed. Target: null I experienced these…

Azure Cache for Redis
Azure Cache for Redis

An Azure service that provides access to a secure, dedicated Redis cache, managed by Microsoft.

415 questions
asked 2026-06-19T14:00:02.3566667+00:00
Frode Nilsen 5 Reputation points
commented 2026-07-27T08:12:01.11+00:00
Jack Huddlestone 0 Reputation points
1 answer One of the answers was accepted by the question author.

Azure Cache for Redis creation block exception/extension

Hello, From the retirement notice of Azure Cache for Redis (ACR), it is mentioned that the creation of new ACR will be blocked from 1Oct'26 for existing customers. Is there an exception process available to extend this block to a later…

Azure Cache for Redis
Azure Cache for Redis

An Azure service that provides access to a secure, dedicated Redis cache, managed by Microsoft.

415 questions
asked 2026-07-20T07:42:25.17+00:00
Alex 535 Reputation points
accepted 2026-07-24T06:26:54.7566667+00:00
Alex 535 Reputation points
1 answer One of the answers was accepted by the question author.

ACL commands not allowed on Azure Managed Redis instance

I am using an Azure Redis Enterprise instance (dev-cache) with the following configuration: Location: West US 3 SKU: Balanced_B0 Modules: RediSearch 2.10.18, RedisJSON 2.8.10 Client Protocol: Encrypted Clustering Policy: EnterpriseCluster When I try to…

Azure Cache for Redis
Azure Cache for Redis

An Azure service that provides access to a secure, dedicated Redis cache, managed by Microsoft.

415 questions
asked 2025-09-01T14:34:36.8733333+00:00
Raisa Varghese [V] 20 Reputation points
commented 2026-07-23T08:18:08.74+00:00
Vanshita Rohela 0 Reputation points
1 answer One of the answers was accepted by the question author.

OperationFailed when creating a Azure Manage Redis resource

I'm trying to create a Azure Managed Redis resource via the Azure Portal and it is failing with the following error: { "status": "Failed", "error": { "code": "OperationFailed", …

Azure Cache for Redis
Azure Cache for Redis

An Azure service that provides access to a secure, dedicated Redis cache, managed by Microsoft.

415 questions
asked 2026-06-23T09:10:55.9766667+00:00
Miguel Silva 60 Reputation points
commented 2026-07-22T18:52:59.2+00:00
Ben Jacques 0 Reputation points
3 answers

Unable to provision Azure Managed Redis (Microsoft.Cache/redisEnterprise) in West US 3 due to AllocationFailed / insufficient capacity.

Azure portal interface prompts us to prepare to migrate our Redis Enterprise cluster to Azure Managed Redis. But this fails due to capacity. Can we get this bumped so we can start working on this? (AllocationFailed) Request failed due to insufficient…

Azure Cache for Redis
Azure Cache for Redis

An Azure service that provides access to a secure, dedicated Redis cache, managed by Microsoft.

415 questions
asked 2026-07-17T19:30:35.7933333+00:00
Dustin 0 Reputation points
answered 2026-07-20T22:03:47.3033333+00:00
Dustin 0 Reputation points
2 answers

Redis Cache Creation Error

Hello, I am attempting to create an Azure Managed Redis Cache resource in west2 but I keep getting an error message, "code": "OperationFailed", "message": "The operation failed."} Cloud shell does not give…

Azure Cache for Redis
Azure Cache for Redis

An Azure service that provides access to a secure, dedicated Redis cache, managed by Microsoft.

415 questions
asked 2026-07-20T19:55:03.3966667+00:00
Nina St. John 0 Reputation points
answered 2026-07-20T21:57:11.53+00:00
Ganesh Chelluri 90 Reputation points Microsoft External Staff Moderator
3 answers

Redis is not able to provision in North Europe but works in West Europe

Hi community, We are trying to provision Azure Managed Redis in North Europe, but it is not working, after some investigation. We found it is North Europe Data Center issue as we are deploy it to West Europe. The failed Redis only return OperationFailed…

Azure Cache for Redis
Azure Cache for Redis

An Azure service that provides access to a secure, dedicated Redis cache, managed by Microsoft.

415 questions
asked 2026-07-14T11:59:08.5+00:00
Bryson Tai 45 Reputation points
answered 2026-07-16T09:20:19.3+00:00
Smaran Thoomu 90 Reputation points Microsoft External Staff Moderator
1 answer

Azure Managed Redis (redisEnterprise) deployment failed

Creating an Azure Managed Redis cluster in West Europe fails after ~2 minutes of provisioning with a generic terminal error "OperationFailed / The operation failed" (statusCode Conflict). No actionable detail is returned at any layer…

Azure Cache for Redis
Azure Cache for Redis

An Azure service that provides access to a secure, dedicated Redis cache, managed by Microsoft.

415 questions
asked 2026-06-30T13:01:46.21+00:00
Abhishek Antony (CP, IN) 0 Reputation points
commented 2026-07-12T00:15:06.89+00:00
Pilladi Padma Sai Manisha 11,605 Reputation points Microsoft External Staff Moderator
2 answers

What happens to a 3-year reservation when changing the pricing tier or plan?

We are considering purchasing a three-year reservation for Azure Managed Redis. If we upgrade or downgrade the Azure Managed Redis plan during the reservation term, what happens to the existing reservation? For example: Upgrade from Balanced B10 to…

Azure Cache for Redis
Azure Cache for Redis

An Azure service that provides access to a secure, dedicated Redis cache, managed by Microsoft.

415 questions
asked 2026-07-10T07:54:08.98+00:00
kim 0 Reputation points
answered 2026-07-10T15:49:16.64+00:00
Srikanth Chavithina 265 Reputation points Microsoft External Staff Moderator