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Network troubleshooting for firewall #577

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Network troubleshooting for firewall
karpikpl Oct 28, 2025
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Update articles/ai-foundry/agents/how-to/virtual-networks.md
karpikpl Oct 28, 2025
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Update articles/ai-foundry/agents/how-to/virtual-networks.md
karpikpl Oct 28, 2025
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8 changes: 8 additions & 0 deletions articles/ai-foundry/agents/how-to/virtual-networks.md
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Expand Up @@ -221,6 +221,14 @@ az provider register --namespace 'Microsoft.ContainerService'

**Solution**: This error appears when you try to delete your secured standard template set-up in Azure and did not correctly delete all resources. One solution is to navigate to your AI Foundry resource page in the Azure portal and select **Manage deleted resources**. From there, purge the resource that the agent was associated with for this virtual network. The other option is to run the `deleteCaphost.sh` script in the secured standard template.



`""Timeout of 60000ms exceeded" error when loading the Agent pages in the AI Foundry project"`
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Copilot AI Oct 28, 2025

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Remove extra double quotes around the error message. The backticks should contain: \"Timeout of 60000ms exceeded\" error when loading the Agent pages in the AI Foundry project

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`""Timeout of 60000ms exceeded" error when loading the Agent pages in the AI Foundry project"`
`"Timeout of 60000ms exceeded" error when loading the Agent pages in the AI Foundry project`

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**Solution**: The AI Foundry project has issues communicating with Cosmos DB to create Agents. Verify connectivity to Cosmos DB (Private Endpoint and DNS).
When using a [firewall on the agents subnet](../how-to/virtual-networks.md#known-limitations), make sure it allows access to required Fully Qualified Domain Names (FQDNs).
These FQDNs are listed under **Managed Identity** in the [Integrate with Azure Firewall](/azure/container-apps/use-azure-firewall#application-rules) article. You can also add the Service Tag **AzureActiveDirectory**.

## Next steps

You've now successfully configured a network-secure account and project, use the [quickstart](../quickstart.md) to create your first agent.