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New policy to configure private DNS zones for AI Foundry #530

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07f35a8
Added new Cognitive Services policy configre-foundry-services-to-use-…
tombrata Apr 8, 2026
2a49564
Removed default values from AOAI and AI search private DNS zones to m…
tombrata Apr 21, 2026
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188 changes: 188 additions & 0 deletions ...s/Cognitive Services/configure-foundry-services-to-use-private-dns-zones/azurepolicy.json
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{
"name": "b2511ae3-818c-4111-a0e0-7e481159525d",
"type": "Microsoft.Authorization/policyDefinitions",
"properties": {
"displayName": "Configure Foundry Services to use private DNS zones",
"description": "Use private DNS zones to override the DNS resolution for Cognitive Services 'account' groupID private endpoint. This policy distinguishes the correct Private DNS zones for Cognitive Services of Kind: AIServices (Foundry), OpenAI, and others.",
"metadata": {
"category": "Cognitive Services",
"version": "1.0.0"
},
"mode": "Indexed",
"parameters": {
"cogsvcPrivateDnsZoneId": {
"type": "String",
"metadata": {
"displayName": "Cognitive Services Private DNS Zone id",
"description": "A private DNS zone id to connect to the Cognitive Services private endpoint. (privatelink.cognitiveservices.azure.com)",
"strongType": "Microsoft.Network/privateDnsZones"
}
},
"aoaiPrivateDnsZoneId": {
"type": "String",
"metadata": {
"displayName": "Open AI Private DNS Zone id",
"description": "A private DNS zone id to connect to the OpenAI private endpoint. (privatelink.openai.azure.com)",
"strongType": "Microsoft.Network/privateDnsZones"
}
},
"aisvcPrivateDnsZoneId": {
"type": "String",
"metadata": {
"displayName": "AI Services Private DNS Zone id",
"description": "A private DNS zone id to connect to the AI Services private endpoint. (privatelink.services.ai.azure.com)",
"strongType": "Microsoft.Network/privateDnsZones"
}
},
"effect": {
"type": "String",
"metadata": {
"displayName": "Effect",
"description": "DeployIfNotExists, AuditIfNotExists or Disabled the execution of the Policy"
},
"allowedValues": [
"DeployIfNotExists",
"AuditIfNotExists",
"Disabled"
],
"defaultValue": "DeployIfNotExists"
}
},
"policyRule": {
"if": {
"allOf": [
{
"field": "type",
"equals": "Microsoft.Network/privateEndpoints"
},
{
"count": {
"field": "Microsoft.Network/privateEndpoints/privateLinkServiceConnections[*]",
"where": {
"allOf": [
{
"field": "Microsoft.Network/privateEndpoints/privateLinkServiceConnections[*].privateLinkServiceId",
"contains": "Microsoft.CognitiveServices/accounts"
},
{
"field": "Microsoft.Network/privateEndpoints/privateLinkServiceConnections[*].groupIds[*]",
"equals": "account"
}
]
}
},
"greaterOrEquals": 1
}
]
},
"then": {
"effect": "[parameters('effect')]",
"details": {
"type": "Microsoft.Network/privateEndpoints/privateDnsZoneGroups",
"roleDefinitionIds": [
"/providers/Microsoft.Authorization/roleDefinitions/acdd72a7-3385-48ef-bd42-f606fba81ae7",
"/providers/Microsoft.Authorization/roleDefinitions/4d97b98b-1d4f-4787-a291-c67834d212e7"
],
"deployment": {
"properties": {
"mode": "incremental",
"template": {
"$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
"contentVersion": "1.0.0.0",
"parameters": {
"cogsvcPrivateDnsZoneId": {
"type": "string"
},
"aoaiPrivateDnsZoneId": {
"type": "string"
},
"aisvcPrivateDnsZoneId": {
"type": "string"
},
"privateEndpointName": {
"type": "string"
},
"location": {
"type": "string"
},
"privateLinkServiceId": {
"type": "array"
}
},
"variables": {
"threePrivateDnsZoneConfigs": [
{
"name": "privatelink-cognitiveservices-azure-com",
"properties": {
"privateDnsZoneId": "[parameters('cogsvcPrivateDnsZoneId')]"
}
},
{
"name": "privatelink-openai-azure-com",
"properties": {
"privateDnsZoneId": "[parameters('aoaiPrivateDnsZoneId')]"
}
},
{
"name": "privatelink-services-ai-azure-com",
"properties": {
"privateDnsZoneId": "[parameters('aisvcPrivateDnsZoneId')]"
}
}
],
"aoaiPrivateDnsZoneConfigs": [
{
"name": "privatelink-openai-azure-com",
"properties": {
"privateDnsZoneId": "[parameters('aoaiPrivateDnsZoneId')]"
}
}
],
"cogsvcPrivateDnsZoneConfigs": [
{
"name": "privatelink-cognitiveservices-azure-com",
"properties": {
"privateDnsZoneId": "[parameters('cogsvcPrivateDnsZoneId')]"
}
}
]
},
"resources": [
{
"name": "[concat(parameters('privateEndpointName'), '/deployedByPolicy')]",
"type": "Microsoft.Network/privateEndpoints/privateDnsZoneGroups",
"apiVersion": "2024-07-01",
"location": "[parameters('location')]",
"properties": {
"privateDnsZoneConfigs": "[if(equals(reference(parameters('privateLinkServiceId')[0], '2022-12-01', 'Full').kind, 'OpenAI'), variables('aoaiPrivateDnsZoneConfigs'), if(equals(reference(parameters('privateLinkServiceId')[0], '2022-12-01', 'Full').kind, 'AIServices'),variables('threePrivateDnsZoneConfigs'), variables('cogsvcPrivateDnsZoneConfigs')))]"
}
}
]
},
"parameters": {
"cogsvcPrivateDnsZoneId": {
"value": "[parameters('cogsvcPrivateDnsZoneId')]"
},
"aoaiPrivateDnsZoneId": {
"value": "[parameters('aoaiPrivateDnsZoneId')]"
},
"aisvcPrivateDnsZoneId": {
"value": "[parameters('aisvcPrivateDnsZoneId')]"
},
"privateEndpointName": {
"value": "[field('name')]"
},
"location": {
"value": "[field('location')]"
},
"privateLinkServiceId": {
"value": "[field('Microsoft.Network/privateEndpoints/privateLinkServiceConnections[*].privateLinkServiceId')]"
}
}
}
}
}
}
}
}
}
39 changes: 39 additions & 0 deletions ... Services/configure-foundry-services-to-use-private-dns-zones/azurepolicy.parameters.json
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{
"cogsvcPrivateDnsZoneId": {
"type": "String",
"metadata": {
"displayName": "Cognitive Services Private DNS Zone id",
"description": "A private DNS zone id to connect to the Cognitive Services private endpoint. (privatelink.cognitiveservices.azure.com)",
"strongType": "Microsoft.Network/privateDnsZones"
}
},
"aoaiPrivateDnsZoneId": {
"type": "String",
"metadata": {
"displayName": "Open AI Private DNS Zone id",
"description": "A private DNS zone id to connect to the OpenAI private endpoint. (privatelink.openai.azure.com)",
"strongType": "Microsoft.Network/privateDnsZones"
}
},
"aisvcPrivateDnsZoneId": {
"type": "String",
"metadata": {
"displayName": "AI Services Private DNS Zone id",
"description": "A private DNS zone id to connect to the AI Services private endpoint. (privatelink.services.ai.azure.com)",
"strongType": "Microsoft.Network/privateDnsZones"
}
},
"effect": {
"type": "String",
"metadata": {
"displayName": "Effect",
"description": "DeployIfNotExists, AuditIfNotExists or Disabled the execution of the Policy"
},
"allowedValues": [
"DeployIfNotExists",
"AuditIfNotExists",
"Disabled"
],
"defaultValue": "DeployIfNotExists"
}
}
136 changes: 136 additions & 0 deletions ...itive Services/configure-foundry-services-to-use-private-dns-zones/azurepolicy.rules.json
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{
"if": {
"allOf": [
{
"field": "type",
"equals": "Microsoft.Network/privateEndpoints"
},
{
"count": {
"field": "Microsoft.Network/privateEndpoints/privateLinkServiceConnections[*]",
"where": {
"allOf": [
{
"field": "Microsoft.Network/privateEndpoints/privateLinkServiceConnections[*].privateLinkServiceId",
"contains": "Microsoft.CognitiveServices/accounts"
},
{
"field": "Microsoft.Network/privateEndpoints/privateLinkServiceConnections[*].groupIds[*]",
"equals": "account"
}
]
}
},
"greaterOrEquals": 1
}
]
},
"then": {
"effect": "[parameters('effect')]",
"details": {
"type": "Microsoft.Network/privateEndpoints/privateDnsZoneGroups",
"roleDefinitionIds": [
"/providers/Microsoft.Authorization/roleDefinitions/acdd72a7-3385-48ef-bd42-f606fba81ae7",
"/providers/Microsoft.Authorization/roleDefinitions/4d97b98b-1d4f-4787-a291-c67834d212e7"
],
"deployment": {
"properties": {
"mode": "incremental",
"template": {
"$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
"contentVersion": "1.0.0.0",
"parameters": {
"cogsvcPrivateDnsZoneId": {
"type": "string"
},
"aoaiPrivateDnsZoneId": {
"type": "string"
},
"aisvcPrivateDnsZoneId": {
"type": "string"
},
"privateEndpointName": {
"type": "string"
},
"location": {
"type": "string"
},
"privateLinkServiceId": {
"type": "array"
}
},
"variables": {
"threePrivateDnsZoneConfigs": [
{
"name": "privatelink-cognitiveservices-azure-com",
"properties": {
"privateDnsZoneId": "[parameters('cogsvcPrivateDnsZoneId')]"
}
},
{
"name": "privatelink-openai-azure-com",
"properties": {
"privateDnsZoneId": "[parameters('aoaiPrivateDnsZoneId')]"
}
},
{
"name": "privatelink-services-ai-azure-com",
"properties": {
"privateDnsZoneId": "[parameters('aisvcPrivateDnsZoneId')]"
}
}
],
"aoaiPrivateDnsZoneConfigs": [
{
"name": "privatelink-openai-azure-com",
"properties": {
"privateDnsZoneId": "[parameters('aoaiPrivateDnsZoneId')]"
}
}
],
"cogsvcPrivateDnsZoneConfigs": [
{
"name": "privatelink-cognitiveservices-azure-com",
"properties": {
"privateDnsZoneId": "[parameters('cogsvcPrivateDnsZoneId')]"
}
}
]
},
"resources": [
{
"name": "[concat(parameters('privateEndpointName'), '/deployedByPolicy')]",
"type": "Microsoft.Network/privateEndpoints/privateDnsZoneGroups",
"apiVersion": "2024-07-01",
"location": "[parameters('location')]",
"properties": {
"privateDnsZoneConfigs": "[if(equals(reference(parameters('privateLinkServiceId')[0], '2022-12-01', 'Full').kind, 'OpenAI'), variables('aoaiPrivateDnsZoneConfigs'), if(equals(reference(parameters('privateLinkServiceId')[0], '2022-12-01', 'Full').kind, 'AIServices'),variables('threePrivateDnsZoneConfigs'), variables('cogsvcPrivateDnsZoneConfigs')))]"
}
}
]
},
"parameters": {
"cogsvcPrivateDnsZoneId": {
"value": "[parameters('cogsvcPrivateDnsZoneId')]"
},
"aoaiPrivateDnsZoneId": {
"value": "[parameters('aoaiPrivateDnsZoneId')]"
},
"aisvcPrivateDnsZoneId": {
"value": "[parameters('aisvcPrivateDnsZoneId')]"
},
"privateEndpointName": {
"value": "[field('name')]"
},
"location": {
"value": "[field('location')]"
},
"privateLinkServiceId": {
"value": "[field('Microsoft.Network/privateEndpoints/privateLinkServiceConnections[*].privateLinkServiceId')]"
}
}
}
}
}
}
}