Azure Cosmos DB
An Azure NoSQL database service for app development.
@Devashish Jaiswal Thanks for sharing the details, the issue has been sorted and your cluster is back in healthy state.
cosmosdb nosql connection timeout. and cant update the password.
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Devashish Jaiswal
0
Reputation points
Cluster: jinvaanii-cosmos-mongodb-nosql
Region: South India
Issues:
- nslookup returns No answer - DNS completely dead
- Password update fails with "operation already in-progress"
- No active operation visible in Activity Log
- Firewall fully open (0.0.0.0 - 255.255.255.255)
- Cannot connect from local or Azure Cloud Shell
Correlation ID: b09f2a76-468e-4516-bcc5-76561bf567ac
Request ID: 73f8b63b-8276-4b3a-8014-a02281502a31
Please force-cancel the stuck operation and restore DNS resolution.
Activity log shows clusterStatus changed from "Ready" to
"UpdateFailed" and provisioningState from "Succeeded" to "Failed".
No update was initiated by us. Azure-side operation failed silently.
Cluster DNS is now unresolvable.
Correlation ID: b09f2a76-468e-4516-bcc5-76561bf567ac
Request ID: 73f8b63b-8276-4b3a-8014-a02281502a31
Azure Cosmos DB
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Manoj Kumar Boyini 12,645 Reputation points Microsoft External Staff Moderator2026-04-06T10:49:45.61+00:00 I kindly request you to please share the details requested in the private message for further investigation.
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Manoj Kumar Boyini 12,645 Reputation points Microsoft External Staff Moderator
2026-04-07T18:56:34.7633333+00:00 We haven’t received a response. Could you please share requested details.
In the Azure Portal, open your Cosmos DB for MongoDB vCore account → Overview and confirm the cluster shows Ready, Succeeded, and no operations in progress.
- Test DNS:
nslookup <cluster-name>.mongo.cosmos.azure.comYou should now get an IP address.
2.Test connectivity using mongosh:
mongosh "mongodb://<username>:<password>@<endpoint>:10255/?tls=true&retrywrites=false"3.Retry password update in the Portal: Password → Update password (the “operation already in progress” error should be gone).
4.Check Activity Log to confirm no new failures.
If you still see DNS issues or connection failures, share the latest error, timestamp, and correlation ID and I’ll assist further.
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Manoj Kumar Boyini 12,645 Reputation points Microsoft External Staff Moderator
2026-04-08T19:18:45.07+00:00 I hope you had a chance to review the information shared earlier, and I hope this information has been helpful! If you still have questions, please let us know what is needed in the comments so the question can be answered.
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Saraswathi Devadula 15,850 Reputation points Microsoft External Staff Moderator2026-04-20T10:33:37.3833333+00:00 I am working with the internal team to get the root cause of the issue. Kindly please allow us sometime.
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Sudhanshu Vishodia 0 Reputation points Microsoft Employee2026-04-09T04:13:45.9466667+00:00