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This error requires Microsoft-side review; with Basic support, the available no-cost route is to keep this Microsoft Q&A thread focused on error 715-123420 and ask a Microsoft moderator to escalate it for Azure OpenAI/Foundry product-group review.
What to request in this thread
Add a short comment or update containing only non-sensitive deployment details:
- Exact error code:
715-123420, if shown in Azure portal → Monitor → Activity log - UTC failure timestamp
- Model and version:
text-embedding-3-small, version1 - Region: Southeast Asia
- Deployment type: Global Standard
- Requested TPM: 10,000
- Whether every deployment fails or only this model
- Existing support-request number, masked except for enough information to identify it privately
- An explicit request for moderator escalation and private contact
A suitable request is:
Please escalate this thread for Azure OpenAI/Microsoft Foundry product-group review of deployment error 715-123420. The deployment is rejected immediately as unusual activity before provisioning. My Basic support request was closed because this requires technical investigation. I can provide the subscription ID, tenant ID, resource ID, UTC timestamp, support-request number, and correlation ID through Microsoft Q&A private messaging.
This closely matches cases where the product group performed analysis and adjustments and asked customers to retry after one or two hours.^1^ Another matching case records a security-team collaboration and remediation of a temporary backend block.^2^
Do not repeatedly retry deployments or create replacement resources while waiting. There is no documented client-side command that removes this restriction.
What a moderator can—and cannot—do
Microsoft Q&A moderators can escalate a thread into the moderator escalation queue, drawing attention from the wider moderator community.^3^ Matching Azure OpenAI cases have subsequently been reviewed by the product group, but that outcome does not establish a guaranteed escalation or response time for every Q&A post.
Only a Microsoft moderator can initiate Q&A private messaging. If one does:
- Enable notifications under Microsoft Learn profile → Settings → Q&A preferences → Private message notifications.
- Open the blue private-message banner on this question.
- Send the requested subscription, tenant, resource, ticket, and diagnostic identifiers there.
Subscription and tenant IDs, support ticket IDs, logs, and traces are permitted in private messages, but should not be posted publicly.^4^
Basic support limitation
Your Subscription Management request has already established the applicable boundary: Azure provides unlimited subscription-management assistance, but technical investigation requires an eligible support plan.^5^ Basic support does not include direct technical support by email, phone, or chat.^6^
Reclassifying the same deployment restriction as billing, quota, or subscription management is unlikely to help because it requires service-side technical review. The Support REST API is not a workaround: creating technical tickets through that API requires Professional Direct, Premier, or Unified support, plus the appropriate subscription role.^7^
If no moderator picks up the Q&A escalation, the documented fallback is to purchase an eligible technical support plan and create a Technical request against the affected Azure OpenAI/Foundry resource. Include all collected identifiers and state that the failure occurs before deployment provisioning.
Keep these details private
Do not publish:
- Full subscription or tenant IDs
- Full resource IDs if they expose identifiable naming
- Access keys, API keys, tokens, or connection strings
- Unredacted screenshots or traces containing credentials
The information already posted publicly—model, region, deployment type, TPM, error text, and support-plan level—is sufficient for initial routing.
References
- Error 715-123420 when deploying model in Foundry - Microsoft Q&A
- 715-123420: An error occurred. Please reach out to support for additional assistance. - Microsoft Q&A
- Escalate a question on Microsoft Q&A
- Private messages on Microsoft Q&A
- Create an Azure support request
- Compare support plans
- Azure Support REST API Reference