docker pull mcr.microsoft.com/dotnet/aspnet:10.0 fails with "no basic auth credentials"

[MohamedAliTera]

Describe the bug

Unable to pull any dotnet/aspnet:10.0 image from MCR. The pull fails immediately with an authorization error, despite no credentials being configured (anonymous pull).

Error:
$ docker pull mcr.microsoft.com/dotnet/aspnet:10.0
Error response from daemon: failed to resolve reference "mcr.microsoft.com/dotnet/aspnet:10.0": pull access denied, repository does not exist or may require authorization: authorization failed: no basic auth credentials.

Which .NET image(s) are you using?

mcr.microsoft.com/dotnet/aspnet:10.0

Steps to reproduce

Run
docker pull mcr.microsoft.com/dotnet/aspnet:10.0
in Ubuntu 24.04.4 LTS or in Windows 11 using WSL (Ubuntu)

Other information

No response

Output of docker version

Client: Docker Engine - Community
 Version:           29.5.1
 API version:       1.54
 Go version:        go1.26.3
 Git commit:        2518b52
 Built:             Mon May 18 15:24:43 2026
 OS/Arch:           linux/amd64
 Context:           default

Server: Docker Engine - Community
 Engine:
  Version:          29.5.1
  API version:      1.54 (minimum version 1.40)
  Go version:       go1.26.3
  Git commit:       dd24a3a
  Built:            Mon May 18 15:24:43 2026
  OS/Arch:          linux/amd64
  Experimental:     false
 containerd:
  Version:          v2.2.3
  GitCommit:        77c84241c7cbdd9b4eca2591793e3d4f4317c590
 runc:
  Version:          1.3.5
  GitCommit:        v1.3.5-0-g488fc13e
 docker-init:
  Version:          0.19.0
  GitCommit:        de40ad0

Output of docker info

Client: Docker Engine - Community
 Version:    29.5.1
 Context:    default
 Debug Mode: false
 Plugins:
  buildx: Docker Buildx (Docker Inc.)
    Version:  v0.34.0
    Path:     /usr/libexec/docker/cli-plugins/docker-buildx
  compose: Docker Compose (Docker Inc.)
    Version:  v5.1.3
    Path:     /usr/libexec/docker/cli-plugins/docker-compose

Server:
 Containers: 5
  Running: 5
  Paused: 0
  Stopped: 0
 Images: 11
 Server Version: 29.5.1
 Storage Driver: overlayfs
  driver-type: io.containerd.snapshotter.v1
 Logging Driver: json-file
 Cgroup Driver: systemd
 Cgroup Version: 2
 Plugins:
  Volume: local
  Network: bridge host ipvlan macvlan null overlay
  Log: awslogs fluentd gcplogs gelf journald json-file local splunk syslog
 CDI spec directories:
  /etc/cdi
  /var/run/cdi
 Swarm: inactive
 Runtimes: io.containerd.runc.v2 runc
 Default Runtime: runc
 Init Binary: docker-init
 containerd version: 77c84241c7cbdd9b4eca2591793e3d4f4317c590
 runc version: v1.3.5-0-g488fc13e
 init version: de40ad0
 Security Options:
  apparmor
  seccomp
   Profile: builtin
  cgroupns
 Kernel Version: 6.17.0-1016-gcp
 Operating System: Ubuntu 24.04.4 LTS
 OSType: linux
 Architecture: x86_64
 CPUs: 2
 Total Memory: 4.551GiB
 Name: handpay-server.me-central2-a.c.handpay-saudi.internal
 ID: be4ce092-ab28-46cb-aad1-a6c0983c5dcc
 Docker Root Dir: /var/lib/docker
 Debug Mode: false
 Experimental: false
 Insecure Registries:
  ::1/128
  127.0.0.0/8
 Live Restore Enabled: false
 Firewall Backend: iptables
  EnableUserlandProxy: true
  UserlandProxyPath: /usr/bin/docker-proxy

[MohamedAliTera]

Working now. also duplicate of #7246