"Manifest unknown: manifest tagged by '<tag>' is not found" error in Azure Container Registry

Summary

This article helps you resolve the "manifest unknown" error that Azure Container Registry (ACR) returns when a pull request references a manifest tag that isn't found.

Symptoms

You receive the following error message.

Manifest for <container-registry-name>.azurecr.io/v2/<repository>/manifests/<tag> not found: manifest unknown: manifest tagged by "<tag>" is not found.

Cause

The tag that you associated with the image you want to pull isn't found.

Solution

Ensure that the tag exists within the associated repository and registry.

To find the tags within the associated repository and registry, use one of the following methods.

Azure portal

In the Azure portal, follow these steps:

1. Search for and select Container registries.
2. In the list of container registries, select the name of your container registry.
3. In the menu pane of your container registry, select Services > Repositories.
4. In the list of repositories within your container registry, select the name of the repository where the tag should exist.
5. Check whether the tag appears in the list of tags in the repository.

Azure CLI

In Azure CLI, run the az acr repository show-tags command.

  az acr repository show-tags --name <my-registry> --repository <my-repository>