Azure AI Foundry model deployment blocked with error 715-123420

I am using Azure for Students and I am unable to deploy any OpenAI model to my Azure AI Foundry resource.

Every deployment attempt returns:

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.

Environment:

• Region: France Central

Resource group: rg-dhruhil-ai300

Azure AI Services account: ai-account-zldfszaxhgm4o

Subscription type: Azure for Students

Deployment SKU: GlobalStandard

I tested multiple OpenAI models, including:

gpt-5

gpt-5-mini

gpt-4.1

gpt-4.1-mini

All four deployment attempts returned the same 715-123420 error.

I also verified through Azure CLI that these OpenAI models are listed as available in France Central.

For example, the deployment was attempted using:

az cognitiveservices account deployment create

The Azure Activity Log shows the deployment operation as a failed Microsoft.CognitiveServices/accounts/deployments/write operation with HTTP 400 and error code 715-123420.

Could a Microsoft moderator please help determine whether this is an account/subscription-level restriction and advise how it can be reviewed or removed?

I can provide the subscription ID, correlation ID, client request ID, and UTC timestamp privately if required.

Thank you.I am using Azure for Students and I am unable to deploy any OpenAI model to my Azure AI Foundry resource.

Every deployment attempt returns:

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.

Environment:

Region: France Central

Resource group: rg-dhruhil-ai300

Azure AI Services account: ai-account-zldfszaxhgm4o

Subscription type: Azure for Students

Deployment SKU: GlobalStandard

I tested multiple OpenAI models, including:

gpt-5

gpt-5-mini

gpt-4.1

gpt-4.1-mini

All four deployment attempts returned the same 715-123420 error.

I also verified through Azure CLI that these OpenAI models are listed as available in France Central.

For example, the deployment was attempted using:

az cognitiveservices account deployment create

The Azure Activity Log shows the deployment operation as a failed Microsoft.CognitiveServices/accounts/deployments/write operation with HTTP 400 and error code 715-123420.

Could a Microsoft moderator please help determine whether this is an account/subscription-level restriction and advise how it can be reviewed or removed?

I can provide the subscription ID, correlation ID, client request ID, and UTC timestamp privately if required.

Thank you.