405 questions with Azure Cache for Redis tags

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2 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.

405 questions
asked 2026-07-17T19:30:35.7933333+00:00
Dustin 0 Reputation points
edited an answer 2026-07-17T23:20:53.3166667+00:00
Ganesh Chelluri 5 Reputation points Microsoft External Staff Moderator
2 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.

405 questions
asked 2026-07-14T11:59:08.5+00:00
Bryson Tai 45 Reputation points
answered 2026-07-17T15:12:50.82+00:00
Simon Minotto 0 Reputation points
1 answer

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.

405 questions
asked 2026-07-15T07:55:33.3966667+00:00
Julien Iseli 0 Reputation points
commented 2026-07-15T09:13:02.4266667+00:00
SAI JAGADEESH KUDIPUDI 3,640 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.

405 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 11,355 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.

405 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 20 Reputation points Microsoft External Staff Moderator
2 answers

Scaling this Azure Managed Redis to another SKU is not supported for your subscription in East US.

(BadRequest) Scaling this Azure Managed Redis to another SKU is not supported for your subscription in East US. Please create a new resource in a different region. If you need access, please contact support.…

Azure Cache for Redis
Azure Cache for Redis

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

405 questions
asked 2026-06-30T09:55:03.8166667+00:00
Nikhil Mamillapalli (LTIMINDTREE LIMITED) 0 Reputation points Microsoft External Staff
answered 2026-07-07T10:40:50.4433333+00:00
Manoj Kumar Boyini 18,840 Reputation points Microsoft External Staff Moderator
3 answers One of the answers was accepted by the question author.

Azure Cache for Redis Migration, the [Rollback] button

I recently tested the Redis [Migration], migrate from the Azure Cache for Redis (ACR) to the new Azure Managed Redis (AMR). After the migration completed, i pump in some new data still via the old URL (hostname). Everything looks OK. There's the…

Azure Cache for Redis
Azure Cache for Redis

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

405 questions
asked 2026-06-19T09:45:03.5366667+00:00
John Wong Yek Hon 295 Reputation points
accepted 2026-07-04T06:42:43.2866667+00:00
John Wong Yek Hon 295 Reputation points
3 answers

Redis 100% Server Load Spike every 10 minutes - Azure Managed Redis

Since 22 May 2026 we are seeing a spike of 100% server load every 10 minutes, lasting exactly 1 minute. Looking at Activity Log, we got a Health Event (planned maintenance) on 22 May: See metrics: (Server Load Max): Before 22 May, we barely went above…

Azure Cache for Redis
Azure Cache for Redis

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

405 questions
asked 2026-05-26T22:50:27.5633333+00:00
Simon Goldstone 0 Reputation points
commented 2026-07-04T05:23:44.6166667+00:00
SAI JAGADEESH KUDIPUDI 3,640 Reputation points Microsoft External Staff Moderator
2 answers

Azure Managed Redis AllocationFailed – Request failed due to insufficient capacity

We have been deploying an Azure Managed Redis resource using the MemoryOptimized_M10 SKU in West US 2. Since roughly last week, the resource deployment has consistently started failing with an AllocationFailed – insufficient capacity error. We need help…

Azure Cache for Redis
Azure Cache for Redis

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

405 questions
asked 2026-06-29T14:18:00.2433333+00:00
Sandeep Kumar 0 Reputation points Microsoft Employee
answered 2026-07-03T13:01:58.8966667+00:00
Manoj Kumar Boyini 18,840 Reputation points Microsoft External Staff Moderator
2 answers

azure managed redis needs firewall rules

Hi, Azure Redis Cache is being retired and replaced with Azure Managed Redis Azure Redis Cache has firewall rules. Azure Managed Redis has no ability to configure firewall rules. We need firewall rules for 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.

405 questions
asked 2026-06-24T07:01:04.8633333+00:00
David Goh 0 Reputation points
commented 2026-07-01T08:01:00.6+00:00
Manoj Kumar Boyini 18,840 Reputation points Microsoft External Staff Moderator
2 answers

Azure Managed Redis (Microsoft.Cache/redisEnterprise) with High Availability fails with terminal "OperationFailed" in West Europe — non-HA B0 works, anything HA or B1 fails

I'm unable to create any High Availability Azure Managed Redis instance in West Europe. The deployment is accepted, runs for ~2 minutes, then ends in terminal provisioningState Failed with a generic OperationFailed / "The operation failed." —…

Azure Cache for Redis
Azure Cache for Redis

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

405 questions
asked 2026-06-27T23:48:07.0433333+00:00
RobPi-8032 0 Reputation points
answered 2026-06-29T00:57:54.6266667+00:00
Pilladi Padma Sai Manisha 11,355 Reputation points Microsoft External Staff Moderator
2 answers One of the answers was accepted by the question author.

Enable Azure Managed Redis creation in East US / Enable Quota

Enable Azure Managed Redis creation in East US. We need to deploy 1 cluster (prod SKU: Balanced_B1). Current deployment is blocked with: “Creation of Azure Managed Redis is not supported for your subscription in East US.” Additional info: Service:…

Azure Cache for Redis
Azure Cache for Redis

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

405 questions
asked 2026-06-23T07:59:36.44+00:00
Andy Slowey (SC-ALT) 25 Reputation points Microsoft Employee
accepted 2026-06-24T14:42:55.72+00:00
Andy Slowey (SC-ALT) 25 Reputation points Microsoft Employee
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.

405 questions
asked 2026-06-23T09:10:55.9766667+00:00
Miguel Silva 60 Reputation points
accepted 2026-06-24T09:54:34.84+00:00
Miguel Silva 60 Reputation points
1 answer One of the answers was accepted by the question author.

Unable to create Azure Managed Redis in Central US or East US 2 region despite those regions are already available

I kept getting error saying the creation reached terminal state of "Failed" without any clear message about what caused the failure: { "code": "DeploymentFailed", "target":…

Azure Cache for Redis
Azure Cache for Redis

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

405 questions
asked 2026-06-24T00:37:39.9333333+00:00
Alyssa Vu 20 Reputation points Microsoft Employee
accepted 2026-06-24T04:14:04.3533333+00:00
Alyssa Vu 20 Reputation points Microsoft Employee
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.

405 questions
asked 2026-06-19T14:00:02.3566667+00:00
Frode Nilsen 5 Reputation points
edited an answer 2026-06-23T14:54:32.35+00:00
Manoj Kumar Boyini 18,840 Reputation points Microsoft External Staff Moderator
1 answer One of the answers was accepted by the question author.

AMR accessPolicyAssignment stuck in 'Updating' state indefinitely — DELETE also rejected with Conflict

A single Microsoft.Cache/redisEnterprise/databases/accessPolicyAssignments resource has been frozen in provisioningState=Updating for >4 hours with no progress. All control-plane operations (PUT, DELETE) against this single resource are rejected with…

Azure Cache for Redis
Azure Cache for Redis

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

405 questions
asked 2026-06-01T12:46:33.0766667+00:00
Andy Slowey 20 Reputation points Microsoft Employee
edited a comment 2026-06-22T08:01:30.9533333+00:00
Andy Slowey 20 Reputation points Microsoft Employee
2 answers One of the answers was accepted by the question author.

Azure Managed Redis not allowing control plane operations after starting maintenance >1week ago

Background: We have an Azure Managed Redis. Its server status is currently: Running - Balanced B1. Its Database status is currently: Running. We also have two private endpoints configured for it. Their provisioning states are both: Succeeded and the…

Azure Cache for Redis
Azure Cache for Redis

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

405 questions
asked 2026-06-08T14:39:36.89+00:00
Robert Simons 20 Reputation points Microsoft Employee
accepted 2026-06-17T17:35:53.16+00:00
Robert Simons 20 Reputation points Microsoft Employee
3 answers

Unable to deploy module in Azure Managed Redis through terraform

I am trying to deploy azure managed redis and I am trying to include RediSearch module through the terraform like below. But it is failing in the planning itself. There is no such clear documentation provided. resource "azurerm_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.

405 questions
asked 2026-06-15T13:34:02.5466667+00:00
AB, Anand 20 Reputation points
answered 2026-06-17T03:16:53.18+00:00
Pilladi Padma Sai Manisha 11,355 Reputation points Microsoft External Staff Moderator
2 answers

Azure Cache for Redis (Used memory vs Used memory %)

Hello Folks, After going over this recommendation [http://learn.microsoft.com/en-us/azure/redis/best-practices-memory-management] I still have some questions. Current ACR prod cluster is at "Used Memory" of 13.2TB of 16TB and "UsedMemory…

Azure Cache for Redis
Azure Cache for Redis

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

405 questions
asked 2026-06-15T14:54:25.0466667+00:00
Desmond Sindatry 111 Reputation points
answered 2026-06-16T21:12:24.0533333+00:00
SAI JAGADEESH KUDIPUDI 3,640 Reputation points Microsoft External Staff Moderator
1 answer

Do Redis Functions need to be reloaded after scaling Azure Managed Redis instance?

I am using Redis Functions (as introduced in Redis 7) with an Azure Managed Redis instance, and I am trying to understand their behavior across infrastructure events. According to the Redis documentation on functions in clustered environments:…

Azure Cache for Redis
Azure Cache for Redis

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

405 questions
asked 2026-06-02T09:46:24.35+00:00
Gábor Zaymus 0 Reputation points
commented 2026-06-12T18:32:42.2+00:00
VarunTha 15,005 Reputation points Microsoft External Staff Moderator