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Foundry: Missing Connected Resource Keys Causing Authentication Failures

Microsoft's poor support AI is worse than Copilot ... but support request is stuck. My problem is the Foundry agents broke overnight AEST, unusable. Agents page doesn't even load. Models and portal still work. Connected Resources all show "No key…

Foundry Agent Service
Foundry Agent Service

A fully managed platform in Microsoft Foundry for hosting, scaling, and securing AI agents built with any supported framework or model

141 questions
asked 2026-09-30T06:15:12.4333333+00:00
Hugh-4916 0 Reputation points
answered 2026-11-12T06:39:03.5666667+00:00
Hugh-4916 0 Reputation points
2 answers

How can we disable prompt and response content in Foundry "responsesapi" traces while keeping operational telemetry?

We have a .NET Microsoft Agent Framework hosted agent deployed to Microsoft Foundry. The Foundry project is connected to Application Insights. We want to retain operational telemetry, such as latency, errors and token usage, but avoid recording user…

Foundry Agent Service
Foundry Agent Service

A fully managed platform in Microsoft Foundry for hosting, scaling, and securing AI agents built with any supported framework or model

141 questions
asked 2026-11-06T12:14:32.9033333+00:00
Kamil Józwik 0 Reputation points
answered 2026-11-11T15:55:24.2733333+00:00
Eber Daniel Perez 165 Reputation points
1 answer

Foundry conversations return 404 after ~60 days even though we never deleted them. Is there automatic expiration?

Hi all. We run a production chatbot on the Foundry project endpoint (conversations + responses). We only delete a conversation when the user deletes the chat, but lately a lot of old conversations started returning 404 on GET…

Foundry Agent Service
Foundry Agent Service

A fully managed platform in Microsoft Foundry for hosting, scaling, and securing AI agents built with any supported framework or model

141 questions
asked 2026-11-10T21:29:00.3233333+00:00
Andres Felipe Moncada Florez 0 Reputation points
answered 2026-11-10T21:30:03.9633333+00:00

AI answer

0 answers

Microsoft Foundry: Agent Creation Failing with HTTP 404 in East US 2

Problem description I am unable to create agents in my Azure AI Foundry project located in the East US 2 region. All attempts to create new agents, including minimal prompt-only agents with no tools, result in an HTTP 404 not_found error, stating that a…

Foundry Agent Service
Foundry Agent Service

A fully managed platform in Microsoft Foundry for hosting, scaling, and securing AI agents built with any supported framework or model

141 questions
asked 2026-10-29T16:38:39.73+00:00
MrJohnson-5267 0 Reputation points
commented 2026-11-02T20:35:09.63+00:00
MrJohnson-5267 0 Reputation points
0 answers

Networking: DNS delay in VNet-injected hosted agent after sandbox start — Behavior and troubleshooting

Problem description I am experiencing a delay of 5 to 13 seconds after each sandbox start where my private DNS path (UDP to hub firewall) is unavailable, while public TCP connectivity works immediately. This affects the initial DNS queries from each new…

Foundry Agent Service
Foundry Agent Service

A fully managed platform in Microsoft Foundry for hosting, scaling, and securing AI agents built with any supported framework or model

141 questions
asked 2026-10-20T12:32:06.7066667+00:00
ALOUANI Ilyan 5 Reputation points
commented 2026-10-31T04:15:53.2166667+00:00
Pavan Kumar Purilla 430 Reputation points Microsoft External Staff Moderator
1 answer

Foundry-to-Foundry A2A: child agent writes a SendMessage payload as text instead of calling its configured agent

I'm testing a small native hierarchy of prompt agents in Microsoft Foundry: a coordinator calls two managers, and one manager should delegate to another agent through A2A. The coordinator, using gpt-4.1-mini, successfully invoked both managers. The…

Foundry Agent Service
Foundry Agent Service

A fully managed platform in Microsoft Foundry for hosting, scaling, and securing AI agents built with any supported framework or model

141 questions
asked 2026-10-29T08:10:59.4766667+00:00
Onni Kyster Anastacio 0 Reputation points
answered 2026-10-29T17:08:30.3733333+00:00
Jerald Felix 19,080 Reputation points Volunteer Moderator
0 answers

Foundry Agent Service: creating agent versions returns 404 “resource referenced… not found” in one project only; a new project in the same account works

Problem Since 27-Oct-2026, every agent create in one Foundry project fails, from the portal, the SDK and REST: POST {project-endpoint}/agents/{name}/versions?api-version=v1 404…

Foundry Agent Service
Foundry Agent Service

A fully managed platform in Microsoft Foundry for hosting, scaling, and securing AI agents built with any supported framework or model

141 questions
asked 2026-10-29T05:47:16.8666667+00:00
AkashJariwala-9029 0 Reputation points
1 answer

AI Foundry Hosted Agent A2A stopped working HOSTED_AGENT_NOT_SUPPORTED

We have encountered an issue with incoming A2A (Agent-to-Agent) requests to Microsoft Foundry Hosted Agents that previously worked successfully. Our Hosted Agent was successfully receiving A2A message/send requests through September 21, 2026, as…

Foundry Agent Service
Foundry Agent Service

A fully managed platform in Microsoft Foundry for hosting, scaling, and securing AI agents built with any supported framework or model

141 questions
asked 2026-10-26T12:47:53.0366667+00:00
Phuong Le 0 Reputation points
answered 2026-10-26T13:42:28.15+00:00
Rukshan edirisinghe 2,445 Reputation points
2 answers

Microsoft 365: Publishing Autopilot Agent Fails with 502 Upstream Dependency Error

Problem description *Note: I've posted the same question also earlier, but Microsoft support demands that I post it from the ticket again to proceed. The previous post, which did not yield a solution:…

Foundry Agent Service
Foundry Agent Service

A fully managed platform in Microsoft Foundry for hosting, scaling, and securing AI agents built with any supported framework or model

141 questions
asked 2026-10-18T16:23:09.04+00:00
Panu Hällfors 0 Reputation points
answered 2026-10-26T08:06:17.94+00:00
Alex Burlachenko 26,700 Reputation points MVP Volunteer Moderator
1 answer

Azure AI Search Private Endpoint Connection Issue — HTTP 424 Tool Server Error

Setup (production, Japan East): Microsoft Foundry account with public network access disabled + private endpoint, standard agent setup with virtual network injection into a delegated subnet, project-level capability host with bring-your-own Azure AI…

Foundry Agent Service
Foundry Agent Service

A fully managed platform in Microsoft Foundry for hosting, scaling, and securing AI agents built with any supported framework or model

141 questions
asked 2026-09-13T03:45:08.5033333+00:00
Shinji Tanaka 5 Reputation points
commented 2026-10-19T03:05:29.28+00:00
Pavan Kumar Purilla 430 Reputation points Microsoft External Staff Moderator
2 answers

Azure AI Foundry Agent Works in Studio but Fails When Deployed to Microsoft Teams

I developed an agent in Microsoft Foundry that uses Logic Apps MCP tools to query and update data in a database. The agent works correctly in Foundry Studio, but after publishing to Microsoft Teams, it times out and fails with any prompt. Observed…

Foundry Agent Service
Foundry Agent Service

A fully managed platform in Microsoft Foundry for hosting, scaling, and securing AI agents built with any supported framework or model

141 questions
asked 2026-10-15T01:44:46.2633333+00:00
Claire Sullivan 0 Reputation points
answered 2026-10-15T15:08:18.2066667+00:00

AI answer

1 answer One of the answers was accepted by the question author.

Secure enterprise tool calling

How can an Azure-hosted AI agent securely invoke enterprise APIs, databases, and Microsoft Graph operations using managed identities and least-privilege access? What controls should be implemented to prevent prompt injection from causing unauthorized…

Foundry Agent Service
Foundry Agent Service

A fully managed platform in Microsoft Foundry for hosting, scaling, and securing AI agents built with any supported framework or model

141 questions
asked 2026-10-15T10:48:24.1033333+00:00
Kashyap Narayanan 120 Reputation points
accepted 2026-10-15T13:28:30.65+00:00
Kashyap Narayanan 120 Reputation points
1 answer

Microsoft Foundry: hello-world autopilot microsoft365/publish returns 502 upstream_dependency_failed

Publishing the official hello-world autopilot sample to Microsoft 365, samples/python/autopilot-agents/hello-world seems to fail – any idea of what to look at? What happens: azd deploy succeeds. Publishing then fails. azd ai agent publish stops…

Foundry Agent Service
Foundry Agent Service

A fully managed platform in Microsoft Foundry for hosting, scaling, and securing AI agents built with any supported framework or model

141 questions
asked 2026-10-11T09:57:08.15+00:00
Panu Hällfors 0 Reputation points
commented 2026-10-14T22:21:53.3566667+00:00
Allan Solomon Mejia 10,800 Reputation points
0 answers

Foundry Agent Service: MCP tool result with isError ends the whole response (tool_user_error) on the new Responses API

Summary In the new Foundry Agent Service (Responses API with agent_reference), a remote MCP tool call whose result has isError: true ends the entire response with tool_user_error. The model never sees the tool error, so it cannot correct its call or…

Foundry Agent Service
Foundry Agent Service

A fully managed platform in Microsoft Foundry for hosting, scaling, and securing AI agents built with any supported framework or model

141 questions
asked 2026-10-14T09:26:51.84+00:00
Thomas Wajer 0 Reputation points
0 answers

Foundry IQ Knowledge Base incorrectly detected as OBO with API Key

Our Foundry agent works correctly in the Playground and also works from our application with API Key when no Knowledge Base is attached. When a Foundry IQ Knowledge Base is attached, the same API Key call fails with: Tools configured with OBO auth are…

Foundry Agent Service
Foundry Agent Service

A fully managed platform in Microsoft Foundry for hosting, scaling, and securing AI agents built with any supported framework or model

141 questions
asked 2026-10-13T12:23:20.24+00:00
TcheuTchoua, Yvan Lionel 0 Reputation points
1 answer

Open AI Decisions API availability Inquiry

When will this newly released OpenAI Decisions API be available in foundry?

Foundry Agent Service
Foundry Agent Service

A fully managed platform in Microsoft Foundry for hosting, scaling, and securing AI agents built with any supported framework or model

141 questions
asked 2026-10-07T15:42:37.8666667+00:00
Benjamin Lamasney 5 Reputation points
commented 2026-10-12T15:25:03.02+00:00
Benjamin Lamasney 5 Reputation points
1 answer

New Azure AI Foundry Search Service DNS issues with Network Isolation and Private Endpoints.

We have been using Azure AI foundry for a couple years now and have not had any issues with connectivity to our resources like search service that are setup to use private endpoint. Now that we are trying to create an agent in the new foundry…

Foundry Agent Service
Foundry Agent Service

A fully managed platform in Microsoft Foundry for hosting, scaling, and securing AI agents built with any supported framework or model

141 questions
asked 2026-10-08T14:33:44.55+00:00
Shawn Dvoracek 0 Reputation points
answered 2026-10-08T14:34:10.36+00:00

AI answer

1 answer

Intermittent failure when invoking MCP tools through A2A in Microsoft Foundry

Currently evaluating an Agent-to-Agent (A2A) integration pattern in Microsoft Foundry involving multiple agents and MCP-based tool integrations. The setup consists of two Foundry agents: One agent connected to ROVO MCP for Jira-related operations A…

Foundry Agent Service
Foundry Agent Service

A fully managed platform in Microsoft Foundry for hosting, scaling, and securing AI agents built with any supported framework or model

141 questions
asked 2026-10-07T10:06:03.1566667+00:00
Girija Sravya Peesapati (US) 0 Reputation points
commented 2026-10-07T13:44:09.2866667+00:00
Girija Sravya Peesapati (US) 0 Reputation points
3 answers One of the answers was accepted by the question author.

How to connect to Azure Foundry Playground and Agent via Private Endpoint

My environment is configured as follows: A virtual machine (VM) located in the corporate network (A) An Azure Foundry resource created in the East US 2 region. I have also created a Private Endpoint in the Southeast Asia region (B) The VM (A) is…

Foundry Agent Service
Foundry Agent Service

A fully managed platform in Microsoft Foundry for hosting, scaling, and securing AI agents built with any supported framework or model

141 questions
asked 2026-06-05T10:45:39.4133333+00:00
Pham Ngoc Trung 206 Reputation points
accepted 2026-10-07T03:22:04.3733333+00:00
Pham Ngoc Trung 206 Reputation points
1 answer

Microsoft Foundry: Agent Stopped Working — Cannot Invoke Connected Agent

Problem description I am experiencing an issue where my Foundry agent has stopped working. Specifically, I cannot invoke the connected agent, and attempts to start a new chat in the Azure AI Foundry Playground result in an InternalServerError with the…

Foundry Agent Service
Foundry Agent Service

A fully managed platform in Microsoft Foundry for hosting, scaling, and securing AI agents built with any supported framework or model

141 questions
asked 2026-09-29T12:15:48.0533333+00:00
Alexander Sechko 0 Reputation points
commented 2026-09-29T17:05:04.8166667+00:00
Manish Deshpande 8,295 Reputation points Microsoft External Staff Moderator