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Troubleshooting Guide.md

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Azure Container Registry - Troubleshooting guide

I get an error while creating a registry - "Unregistered Subscription specified"

You need to register the subscription using Powershell:

Register-AzureRmResourceProvider -ProviderNamespace Microsoft.ContainerRegistry

Az CLI:

az provider register –n Microsoft.ContainerRegistry

I'm able to create registry in one region but not in another region

As we add more regions, the service in new region needs to know about your subscription. So please register your subscription again so that ACR service in newer regions will know about your subscription

See here

Azure CLI - I get this error - No resource with type Microsoft.ContainerRegistry/registries can be found with name

Please run this command and check if you have set the right subscription

az account show

Please run this command to set the correct subscription

az account set --subscription <correct-subscription>

Azure CLI - Not able to use az cli to query/view my registries

See this and this

Image exists in my ACR but, docker pull returns "image not found"

Please make sure you login before you pull/push repositories

docker login <yourregistry>.azurecr.io

Configuring a custom domain for azure container registry

Azure container registries have a typical login url of the format *.azurecr.io. A customer might like to use a custom domain for the registry. Follow this guide to achieve that.

Moving repositories to a new registry

To move your repositories to a newly created registry, follow this guide.

Failed to add a virtual network from a different Azure subscription

If you want to restrict registry access using a virtual network in a different Azure subscription, you will see the following error if the subscription hasn't registered the Microsoft.ContainerRegistry resource provider:

Failed to save firewall and virtual network settings for container registry 'MyRegistry'. Error: Could not validate network rule - The client '00000000-0000-0000-0000-000000000000' with object id '00000000-0000-0000-0000-000000000000' does not have authorization to perform action 'Microsoft.Network/virtualNetworks/taggedTrafficConsumers/validate/action' over scope '/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/MyRG/providers/Microsoft.Network/virtualNetworks/MyRegistry/taggedTrafficConsumers/Microsoft.ContainerRegistry' or the scope is invalid. If access was recently granted, please refresh your credentials.

You need to register the resource provider for Azure Container Registry in that subscription. For example:

Azure CLI

az account set --subscription <Name or ID of subscription of virtual network>
az provider register --namespace Microsoft.ContainerRegistry

Check role assignments on a registry

az role assignment list --scope /subscriptions/<sub-id>/resourceGroups/<rg>/providers/Microsoft.ContainerRegistry/registries/<registryName>

See here for reference