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Azure OpenAI 715-123420 blocks updating an existing deployment; Basic support case closed

Hello Microsoft Q&A moderators, Could you help route an account-restriction review to the appropriate Azure OpenAI / Microsoft Foundry team? Updating an existing model deployment was rejected with HTTP 400 and code 715-123420: "Our system has…

Azure OpenAI in Foundry Models
Azure OpenAI in Foundry Models

An Azure service that provides access to OpenAI’s GPT-3 models with enterprise capabilities.

5,115 questions
asked 2026-11-03T19:21:55.49+00:00
Kaue Pacheco 0 Reputation points
answered 2026-11-03T19:22:57.13+00:00

AI answer

2 answers

Cannot create vector index in Microsoft Foundry – On Your Data Ingestion API retired

I am unable to update an existing vector index in Microsoft Foundry. I am using the built-in functionality in Microsoft Foundry to update an existing data source and its vector index. This workflow previously worked, but now fails with the following…

Azure OpenAI in Foundry Models
Azure OpenAI in Foundry Models

An Azure service that provides access to OpenAI’s GPT-3 models with enterprise capabilities.

5,115 questions
asked 2026-11-02T12:40:16.2966667+00:00
Nienke 0 Reputation points
commented 2026-11-03T17:21:42.1866667+00:00
Balantrapu Sreevishnu 90 Reputation points Microsoft External Staff
2 answers

location denied

Resource 'practical-gen-ai' was disallowed by Azure: This policy maintains a set of best available regions where your subscription can deploy resources. The objective of this policy is to ensure that your subscription has full access to Azure services…

Azure OpenAI in Foundry Models
Azure OpenAI in Foundry Models

An Azure service that provides access to OpenAI’s GPT-3 models with enterprise capabilities.

5,115 questions
asked 2026-11-03T06:50:41.71+00:00
Sourabh gautam 0 Reputation points
edited an answer 2026-11-03T06:59:36.0266667+00:00
TP 165.1K Reputation points Volunteer Moderator
1 answer

issue regarding Region for the Open AI model access.

so i am trying to get a Azure Open AI embedding model for deployment the RAG based application in Azure and i face error about select different region again and again ?so anyone who is faced this issue and solve it? please Guide me.

Azure OpenAI in Foundry Models
Azure OpenAI in Foundry Models

An Azure service that provides access to OpenAI’s GPT-3 models with enterprise capabilities.

5,115 questions
asked 2026-10-29T09:34:44.5033333+00:00
arpit kanani 0 Reputation points
commented 2026-11-02T12:45:32.1+00:00
Balantrapu Sreevishnu 90 Reputation points Microsoft External Staff
2 answers

Azure OpenAI deployments blocked by 715-123420 since Oct 11, support case unassigned

Since 2026-10-11, every model deployment on my Azure OpenAI resource (koreacentral, GlobalStandard) fails with: 715-123420 - Our system has detected this request as unusual activity for your account. If you are confident this is in error, please contact…

Azure OpenAI in Foundry Models
Azure OpenAI in Foundry Models

An Azure service that provides access to OpenAI’s GPT-3 models with enterprise capabilities.

5,115 questions
asked 2026-10-27T06:24:13.8466667+00:00
Suchang Ko 0 Reputation points
commented 2026-11-02T04:56:58.5666667+00:00
Suchang Ko 0 Reputation points
1 answer

Azure OpenAI: Deploying fine-tuned gpt-4o (2024-08-06) with DeveloperTier SKU fails with InvalidResourceProperties

Hello, I fine-tuned gpt-4o (2024-08-06) using the Developer training tier in Sweden Central. I'd like to serve it with the Developer deployment type (per-token billing, no hourly hosting fee) for short, occasional evaluation sessions. What I tried (Azure…

Azure OpenAI in Foundry Models
Azure OpenAI in Foundry Models

An Azure service that provides access to OpenAI’s GPT-3 models with enterprise capabilities.

5,115 questions
asked 2026-10-22T17:07:07.07+00:00
Ava 0 Reputation points
edited the question 2026-11-01T16:12:14.4166667+00:00
Ava 0 Reputation points
1 answer

Getting "unusual activity for your account" (BadRequest) when deploying models on Azure for Students

Hi everyone, I'm a software engineering student and junior ai harness developer , currently building a project called Weave using my Azure for Students subscription. Earlier today, my previous Azure OpenAI resource got hit with a temporary content policy…

Azure OpenAI in Foundry Models
Azure OpenAI in Foundry Models

An Azure service that provides access to OpenAI’s GPT-3 models with enterprise capabilities.

5,115 questions
asked 2026-10-19T00:46:46.5633333+00:00
Gael Gomes 0 Reputation points
edited a comment 2026-10-31T05:11:12.32+00:00
Gael Gomes 0 Reputation points
1 answer

Azure OpenAI: Sudden Cost Increase — Need Explanation and Billing Adjustment Consideration

Problem description I am experiencing a significant increase in costs related to my Azure OpenAI workload, specifically with the Microsoft Foundry service and a supporting Azure-hosted application. The charges have risen from an expected baseline of…

Azure OpenAI in Foundry Models
Azure OpenAI in Foundry Models

An Azure service that provides access to OpenAI’s GPT-3 models with enterprise capabilities.

5,115 questions
asked 2026-10-23T15:13:57.5+00:00
David Hughes 0 Reputation points
commented 2026-10-30T21:20:23.3+00:00
Prashant Yadvendra 0 Reputation points
3 answers

Azure Open AI Cost spiked to 214K in 15 days, usual average was 4K per month

Our Azure Open AI cost using a 5.6-sol model deployed via Foundry has spiked from usual 4K per month to 214K . this is practically not possible.

Azure OpenAI in Foundry Models
Azure OpenAI in Foundry Models

An Azure service that provides access to OpenAI’s GPT-3 models with enterprise capabilities.

5,115 questions
asked 2026-10-30T04:16:12.99+00:00
Prashant Yadvendra 0 Reputation points
edited an answer 2026-10-30T21:13:51.7533333+00:00
Prashant Yadvendra 0 Reputation points
1 answer

Intermittent Incomplete Model Responses for Batch processing – Output Generation Stops Midway for Approximately 50 Requests in one batch and same for other few batches as well.

We are experiencing an intermittent issue with Azure AI model inference, where the model generates an incomplete response and stops producing output tokens before completing the expected response. We have identified approximately 50 such occurrences in…

Azure OpenAI in Foundry Models
Azure OpenAI in Foundry Models

An Azure service that provides access to OpenAI’s GPT-3 models with enterprise capabilities.

5,115 questions
asked 2026-10-30T07:05:17.5466667+00:00
Chandan Mahto 0 Reputation points
commented 2026-10-30T19:19:31.6733333+00:00
Sairam Reddy Rajamuri 0 Reputation points Microsoft External Staff Moderator
1 answer

Clarification over retirement date for gpt-realtime-mini model

Hi, The Model Retirement Schedule (https://learn.microsoft.com/en-us/azure/foundry/openai/concepts/model-retirement-schedule) has two entries listed for gpt-realtime-mini (2025-12-15) with the following retirement dates; 2026-12-15 2027-06-15 The…

Azure OpenAI in Foundry Models
Azure OpenAI in Foundry Models

An Azure service that provides access to OpenAI’s GPT-3 models with enterprise capabilities.

5,115 questions
asked 2026-10-19T17:01:15.8333333+00:00
Dr Dave H 160 Reputation points
commented 2026-10-30T12:27:36.4966667+00:00
Balantrapu Sreevishnu 90 Reputation points Microsoft External Staff
1 answer

Tier 1 upgrade pending, GPT-6 quota still 0/0 – how to get it applied

Hello, On Oct 4 I got the "Eligibility for Quota Tier upgrade" email for my subscription (Free Tier → Tier 1). I did not opt out — I want the upgrade. Right now gpt-5-mini and gpt-4.1-mini work, but gpt-6-astra, gpt-6-sol and gpt-6-luna are…

Azure OpenAI in Foundry Models
Azure OpenAI in Foundry Models

An Azure service that provides access to OpenAI’s GPT-3 models with enterprise capabilities.

5,115 questions
asked 2026-10-05T13:26:49.04+00:00
Volodymyr Shcherbyna 0 Reputation points
edited a comment 2026-10-30T07:18:22.58+00:00
Ganesh Gurram 7,650 Reputation points Microsoft External Staff Moderator
2 answers

how to fix openai for below issue.

timestamp:"2026-10-20T11:39:16.889353" message:"Response payload is not completed: <TransferEncodingError: 400, message='Not enough data to satisfy transfer length…

Azure OpenAI in Foundry Models
Azure OpenAI in Foundry Models

An Azure service that provides access to OpenAI’s GPT-3 models with enterprise capabilities.

5,115 questions
asked 2026-10-20T04:20:31.0833333+00:00
commented 2026-10-30T01:49:38.8433333+00:00
Sai Kiran Mudavath 345 Reputation points Microsoft External Staff Moderator
1 answer

Azure Foundry Error 715-123420 — Basic Support — Request for Microsoft Internal Escalation

Hello Microsoft Team, I am an Azure Partner Launch Benefits customer with an active Azure subscription and valid promotional credits. I am unable to deploy GPT-6.1 Terra and GPT-6.1 Sol models in Microsoft Foundry due to the following error: 715-123420 —…

Azure OpenAI in Foundry Models
Azure OpenAI in Foundry Models

An Azure service that provides access to OpenAI’s GPT-3 models with enterprise capabilities.

5,115 questions
asked 2026-10-30T00:15:16.7766667+00:00
Gabriel Gallaci 0 Reputation points
answered 2026-10-30T00:16:07.7366667+00:00

AI answer

1 answer

Azure OpenAI Quota: Unable to Create Deployment Due to Capacity Denials

Problem description I am trying to deploy a small Azure OpenAI resource within Azure Foundry to run a weekly Logic Apps summarization workload. However, my quota remains at 0 TPM, and all requests for models like GPT-5.1, GPT-5-mini, GPT-4o-mini, and…

Azure OpenAI in Foundry Models
Azure OpenAI in Foundry Models

An Azure service that provides access to OpenAI’s GPT-3 models with enterprise capabilities.

5,115 questions
asked 2026-10-28T18:02:53.9833333+00:00
Brendan Donahue 0 Reputation points
edited a comment 2026-10-29T23:12:06.27+00:00
Karnam Venkata Rajeswari 5,340 Reputation points Microsoft External Staff Moderator
1 answer

Azure OpenAI HIPAA: abuse-monitoring retention, reviewer access, BAA scope, and Modified Abuse Monitoring eligibility

We're a Microsoft for Startups member. We plan to process HIPAA-regulated data in our Azure OpenAI resources ai-baylani-prod-01 (East US) and ai-baylani-dev-01 (East US 2), deployment gpt-5.4-mini version 2026-03-17. Neither resource lists the…

Azure OpenAI in Foundry Models
Azure OpenAI in Foundry Models

An Azure service that provides access to OpenAI’s GPT-3 models with enterprise capabilities.

5,115 questions
asked 2026-10-29T13:31:17.5133333+00:00
Brittany Leach 0 Reputation points
answered 2026-10-29T17:42:52.2066667+00:00
Brittany Leach 0 Reputation points
1 answer

Azure OpenAI (Data Zone Standard, US) under a HIPAA BAA: abuse-monitoring retention, human review, and Modified Abuse Monitoring eligibility

Problem description We plan to process HIPAA-regulated data with Azure OpenAI and need answers for this specific setup, with the governing document or contract section for each answer: Retention. Support said prompts and completions are kept for abuse…

Azure OpenAI in Foundry Models
Azure OpenAI in Foundry Models

An Azure service that provides access to OpenAI’s GPT-3 models with enterprise capabilities.

5,115 questions
asked 2026-10-28T21:28:22.16+00:00
KelvinM-6764 0 Reputation points
commented 2026-10-29T07:51:34.13+00:00
SRILAKSHMI C 19,830 Reputation points Microsoft External Staff Moderator
1 answer

how to optimize costs per request azure openai gpt-4o

Hi, I'm using the following to chat with an image and given prompt: response = client.chat.completions.create( model='gpt-4o-2024-05-13', messages=[ {'role':'system','content':'You are a helpful assistant'}, …

Azure OpenAI in Foundry Models
Azure OpenAI in Foundry Models

An Azure service that provides access to OpenAI’s GPT-3 models with enterprise capabilities.

5,115 questions
asked 2024-05-30T10:03:19.7833333+00:00
Ya Tl 0 Reputation points
answered 2026-10-29T06:53:19.48+00:00
Rodrigo Orzari 0 Reputation points
1 answer

GPT-5.5-mini not work

Hello, I'm not able to start the GPR-5.5-mini. I keep getting: 715-123420: Our system has detected this request as unusual activity for your account. If you are confident this is in error, please contact support. How can I fix it so that I can continue…

Azure OpenAI in Foundry Models
Azure OpenAI in Foundry Models

An Azure service that provides access to OpenAI’s GPT-3 models with enterprise capabilities.

5,115 questions
asked 2026-10-15T07:37:10.44+00:00
Aleksandra Stachowiak 0 Reputation points
answered 2026-10-29T04:43:16.8233333+00:00
kagiyama yutaka 5,655 Reputation points
1 answer

Cant specify region while requesting quota

Requesting Global Standard quota for gpt-6.1-sol (150K TPM) and gpt-5.6-terra (100K TPM) in South Central US for subscription my VS Enterprise subscription. Four requests through the quota form were auto-denied within minutes as “region not available to…

Azure OpenAI in Foundry Models
Azure OpenAI in Foundry Models

An Azure service that provides access to OpenAI’s GPT-3 models with enterprise capabilities.

5,115 questions
asked 2026-10-20T03:50:35.7566667+00:00
Isaac Vargas 0 Reputation points
answered 2026-10-28T15:55:25.46+00:00
R8 Qna 0 Reputation points