2,115 questions with Azure Cosmos DB tags

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Cosmos total request units compared to requests

We have a cosmos account that has extremely high total request units, which do not match the number of requests. The workload drops down to virtually zero over night yet it has been consistently high. How can we identify what is causing this total…

Azure Cosmos DB
Azure Cosmos DB

An Azure NoSQL database service for app development.

2,115 questions
asked 2026-05-06T03:12:40.58+00:00
Trevor Nichols 0 Reputation points
commented 2026-05-06T03:59:52.14+00:00
Pilladi Padma Sai Manisha 7,710 Reputation points Microsoft External Staff Moderator
2 answers One of the answers was accepted by the question author.

Azure Cosmos Emulator (Windows MSI) error in Microsoft.Azure.Cosmos.StartupEntryPoint.exe

Install the emulator on a fresh Windows Server 2016 Datacenter with .Net Framework 4.8.0 and x64 Visual C++ 2015–2022 Redistributable Get error on startup in Microsoft.Azure.Cosmos.StartupEntryPoint.exe Tried the following troubleshooting steps…

Azure Cosmos DB
Azure Cosmos DB

An Azure NoSQL database service for app development.

2,115 questions
asked 2026-03-11T19:11:13.9166667+00:00
Andriy Svyryd 20 Reputation points Microsoft Employee
accepted 2026-05-06T00:55:44.9733333+00:00
Andriy Svyryd 20 Reputation points Microsoft Employee
1 answer

Single Cosmos DB for MongoDB collection unreachable — 503/SubStatus 21005 on management plane, MongoDB error 50 (MaxTimeMSExpired) on data plane, sibling collections healthy

Single Cosmos DB for MongoDB collection unreachable — 503/SubStatus 21005 on management plane, MongoDB error 50 (MaxTimeMSExpired) on data plane, sibling collections healthy TL;DR On a serverless Azure Cosmos DB for MongoDB account in West Europe,…

Azure Cosmos DB
Azure Cosmos DB

An Azure NoSQL database service for app development.

2,115 questions
asked 2026-05-05T11:08:31.36+00:00
Grote, Marcel 0 Reputation points
commented 2026-05-05T12:07:26.76+00:00
Pilladi Padma Sai Manisha 7,710 Reputation points Microsoft External Staff Moderator
1 answer One of the answers was accepted by the question author.

CosmosDB container autoscale max throughput limited doesn't match documentation

I'm attempting to update the autoscale maximum throughput on a Cosmos DB SQL container to 200,000 RU/s, which is well within the documented maximum of 1,000,000 RU/s. However, the request fails with the following error: Code: BadRequest Message:…

Azure Cosmos DB
Azure Cosmos DB

An Azure NoSQL database service for app development.

2,115 questions
asked 2026-05-01T19:27:47.6166667+00:00
Josiah Vinson 20 Reputation points Microsoft Employee
accepted 2026-05-04T15:49:01.8666667+00:00
Josiah Vinson 20 Reputation points Microsoft Employee
3 answers

TTL Index not working on MongoDB for CosmosDB

I created a TTL Index on my MongoDB for Cosmos DB collection of 86400 seconds (24 hours). There are many docs beyond this range but the index is not removing them.

Azure Cosmos DB
Azure Cosmos DB

An Azure NoSQL database service for app development.

2,115 questions
asked 2026-05-02T15:11:30.8533333+00:00
Azure - Keith Delaski 0 Reputation points
answered 2026-05-03T10:36:30.9066667+00:00
Sedat SALMAN 14,450 Reputation points MVP
1 answer

Azure DocumentDB cluster stuck in Updating and unreachable

I need urgent assistance with my Azure DocumentDB cluster. The cluster was operating normally. After approximately 7:02 PM, the Azure Monitor CPU graph started showing uneven/sparse points instead of a solid line, while staying around the same high…

Azure Cosmos DB
Azure Cosmos DB

An Azure NoSQL database service for app development.

2,115 questions
asked 2026-04-30T16:57:45.6666667+00:00
Taras G 0 Reputation points
commented 2026-05-03T10:11:10.22+00:00
SAI JAGADEESH KUDIPUDI 2,625 Reputation points Microsoft External Staff Moderator
3 answers

i m unable to make cosmosdb and fucntion app in my current azure student subcription in any region

when i tries to make cosmosdb and function app and many more things it says in error thats not allowed by azure so plaese tell me can i make cosmosdb and function app like services in my current subscription or not

Azure Cosmos DB
Azure Cosmos DB

An Azure NoSQL database service for app development.

2,115 questions
asked 2026-04-17T06:02:11.83+00:00
himanshu saini 0 Reputation points
commented 2026-05-03T09:29:51.4966667+00:00
SAI JAGADEESH KUDIPUDI 2,625 Reputation points Microsoft External Staff Moderator
1 answer

Request data restoration for an Azure Cosmos DB periodic backup

Hi Microsoft team Need to submit a request for an Azure Cosmos DB periodic backup. documention suggest to create a ticket.. and when trying to submit a request, we land on this Q&A. plase advise.

Azure Cosmos DB
Azure Cosmos DB

An Azure NoSQL database service for app development.

2,115 questions
asked 2026-04-27T06:30:36.8333333+00:00
sang delattre 1 Reputation point
commented 2026-05-02T07:10:54.2933333+00:00
sang delattre 1 Reputation point
0 answers

Unable to trace a change in CosmosDB Activity Log

We have a terraform pipeline that manages our infrastructure, and at one point we are seeing that it has a change. We believe it moved it from backup type Periodic to Continuous (and thus is terraform plan giving us the plan to move it back). We…

Azure Cosmos DB
Azure Cosmos DB

An Azure NoSQL database service for app development.

2,115 questions
asked 2026-05-02T00:36:26.9433333+00:00
Berry de Groot 0 Reputation points Microsoft Employee
commented 2026-05-02T01:11:24.4133333+00:00
Manoj Kumar Boyini 13,930 Reputation points Microsoft External Staff Moderator
0 answers

Cosmosdb is being in "deleting state" from past 1 week

I am not able to delete cosmosdb in my subscription. It has been more than a week since we initiated this operation.

Azure Cosmos DB
Azure Cosmos DB

An Azure NoSQL database service for app development.

2,115 questions
asked 2026-05-01T15:18:49.46+00:00
Sonalika Roy 0 Reputation points Microsoft Employee
commented 2026-05-01T16:03:03.66+00:00
Sonalika Roy 0 Reputation points Microsoft Employee
0 answers

Request RU quota increase for Azure Cosmos DB resources

Hi, in production for our (I can't raise a support ticket from SAW, so I'm reaching out here). Subscription Name: MSPurview_Prod_Global_Platform Resource group: ms-purview-ps-db-global-prod Cosmos DB name: ms-purview-ps-db-global-prod I need to request…

Azure Cosmos DB
Azure Cosmos DB

An Azure NoSQL database service for app development.

2,115 questions
asked 2026-04-30T10:11:02.8266667+00:00
Sakshi Chadha 0 Reputation points Microsoft Employee
commented 2026-04-30T10:42:58.92+00:00
Pilladi Padma Sai Manisha 7,710 Reputation points Microsoft External Staff Moderator
1 answer One of the answers was accepted by the question author.

HNSW index is not supported for M30 cluster tier

Hi everyone, We have a Cosmos DB MongoDB (vcore) M30 instance running for over a year. We were using the HNSW indexes for vector searches. However, recently vector search queries started failing without any change on our side, causing our product feature…

Azure Cosmos DB
Azure Cosmos DB

An Azure NoSQL database service for app development.

2,115 questions
asked 2025-06-13T10:40:40.14+00:00
Anonymous
commented 2026-04-28T18:50:27.21+00:00
Khelan Modi 0 Reputation points Microsoft Employee
4 answers

Cosmos PG migration tool not visible as per docs

Hello there, As per this page: https://learn.microsoft.com/en-us/azure/cosmos-db/postgresql/migrate-postgresql-elastic-cluster the Cosmos PG migration tool should have been available since 13th of April but I cannot see it in Azure portal (my screenshot…

Azure Cosmos DB
Azure Cosmos DB

An Azure NoSQL database service for app development.

2,115 questions
asked 2026-04-23T10:50:35.0233333+00:00
Mohammad Alinia 20 Reputation points
answered 2026-04-28T10:30:21.06+00:00
Saraswathi Devadula 16,015 Reputation points Microsoft External Staff Moderator
2 answers One of the answers was accepted by the question author.

When will Azure Cosmos DB for PostgreSQL migration tool be available?

Hello According to the documentation: https://learn.microsoft.com/en-us/azure/cosmos-db/postgresql/migrate-postgresql-elastic-cluster#migration-tool, the tool to migrate to Azure Database for PostgreSQL with Elastic Cluster must have been available…

Azure Cosmos DB
Azure Cosmos DB

An Azure NoSQL database service for app development.

2,115 questions
asked 2026-04-20T20:21:24.41+00:00
Dmitrii Bocharov 20 Reputation points
accepted 2026-04-28T07:54:31.88+00:00
Dmitrii Bocharov 20 Reputation points
1 answer One of the answers was accepted by the question author.

Cosmos DB for MongoDB vCore stuck in Updating and unreachable

I need urgent assistance with my Azure Cosmos DB for MongoDB vCore cluster. The cluster was showing sustained CPU around 90%. After approximately 3:07 PM, the Azure Monitor CPU graph started showing uneven/sparse points instead of a solid line, while…

Azure Cosmos DB
Azure Cosmos DB

An Azure NoSQL database service for app development.

2,115 questions
asked 2026-04-14T19:56:59.7933333+00:00
Carlos Sosa 25 Reputation points
accepted 2026-04-27T15:50:18.6+00:00
Carlos Sosa 25 Reputation points
1 answer

Unable to connect to Azure Cosmos DB (Mongo vCore cluster).

Issue: - Connection fails from mongosh, MongoDB Compass, and Node.js app - Error: "error connecting to server" - Issue is reproducible across multiple users and environments - It was working earlier, recently stopped Observations: - Cluster…

Azure Cosmos DB
Azure Cosmos DB

An Azure NoSQL database service for app development.

2,115 questions
asked 2026-04-25T09:58:55.33+00:00
Animesh 0 Reputation points
commented 2026-04-25T14:04:05.1166667+00:00
Saraswathi Devadula 16,015 Reputation points Microsoft External Staff Moderator
1 answer

429 throttling on cosmos db account (test)

TESTING SUPPORT CASE FLOW We are observing frequent HTTP 429 (Request Rate Too Large) throttling errors on our Azure Cosmos DB account (test environment), primarily during write operations. The issue appears intermittently but becomes more pronounced…

Azure Cosmos DB
Azure Cosmos DB

An Azure NoSQL database service for app development.

2,115 questions
asked 2026-04-23T16:39:58.7+00:00
Andre Ferreira 0 Reputation points Microsoft Employee
answered 2026-04-23T17:24:10.5933333+00:00
Manoj Kumar Boyini 13,930 Reputation points Microsoft External Staff Moderator
1 answer One of the answers was accepted by the question author.

Azure DocumentDB stuck in "Pending Action" state after failed network update

Hello, Our Azure DocumentDB (with MongoDB compatibility) cluster is currently unresponsive and locked out from any configuration changes. After deploying an Azure Function connected to this database, the database became unreachable (both from the…

Azure Cosmos DB
Azure Cosmos DB

An Azure NoSQL database service for app development.

2,115 questions
asked 2026-04-10T14:10:05.63+00:00
Suneth Thotagamuwa 20 Reputation points
accepted 2026-04-22T10:57:39.1833333+00:00
Suneth Thotagamuwa 20 Reputation points
1 answer

Production Cosmos DB on Azure corrupted

I dropped a few collections. This has resulted in the indexes getting messed up. I am unable to recreate indexes. I need help to restore the previous DB version.

Azure Cosmos DB
Azure Cosmos DB

An Azure NoSQL database service for app development.

2,115 questions
asked 2026-04-16T11:48:08.7033333+00:00
MALLESH REDDY 0 Reputation points
commented 2026-04-22T00:49:44.73+00:00
Santhosh Kumar Machukuri 0 Reputation points Microsoft External Staff Moderator
1 answer One of the answers was accepted by the question author.

Azure DocumentDB (with MongoDB compatibility) Preview Feature Provisioning

Hello, Two questions: How can I enable the change stream preview feature for documentdb with mongodb compatibility? Relevant az cli documentation doesn't seem to specify…

Azure Cosmos DB
Azure Cosmos DB

An Azure NoSQL database service for app development.

2,115 questions
asked 2026-04-21T16:24:08.7033333+00:00
Andrew McCrary 20 Reputation points
accepted 2026-04-21T16:27:00.5266667+00:00
Andrew McCrary 20 Reputation points