--- title: "Container Registry troubleshooting" slug: "containerregistry-troubleshoot" updated: 2026-09-17T09:31:39Z published: 2026-09-17T09:31:39Z canonical: "guide.ncloud-docs.com/containerregistry-troubleshoot" --- > ## Documentation Index > Fetch the complete documentation index at: https://guide.ncloud-docs.com/llms.txt > Use this file to discover all available pages before exploring further. # Container Registry troubleshooting Available in Classic and VPC You might run into the following problems when using Container Registry. Find out causes and possible solutions. ## Docker login issue When I enter the Docker registry login command in the server, the message "Enter the account and password" appears. #### Cause When the information on the endpoint for accessing the registry, and the API authentication key's Access Key ID and Secret Key is entered incorrectly, login may fail. #### Solution Check the endpoint for the registry access, and Access Key ID and Secret Key information of the API authentication key. You can check Access Key ID and Secret Key under **My Account** > **Manage account and security** > **Manage security** > **Manage access** > **API Authentication Key** in the NAVER Cloud Platform console. ## Access errors During accessing Container Registry, an error occurs. #### Cause If you access through a Private endpoint, an error may occur. #### Solution When you excess externally, use a Public endpoint. ## Learning resources We offer various materials for you to explore. To learn more about Container Registry, check out these helpful links: - FAQs: [Get answers to common Container Registry questions](https://www.ncloud.com/support/faq/prod?categoryCode2=CNTR&categoryCode3=SV_0099&page=1) - NAVER Cloud Platform blog: [Build CI using Container Registry](https://blog.naver.com/n_cloudplatform/221455614655?trackingCode=blog_bloghome_searchlist) - NAVER Cloud Platform blog: [Develop and operate container-based Docker Private Registry using Kubernetes (feat.Container Registry)](https://blog.naver.com/n_cloudplatform/222182691108?trackingCode=blog_bloghome_searchlist) - NAVER Cloud Platform blog: [Commands required for ncloud container registry and Kubernetes integration (how to create secret)](https://blog.naver.com/n_cloudplatform/222480533910?trackingCode=blog_bloghome_searchlistt) Note If you're still having trouble finding what you need, click on the feedback icon and send us your thoughts and requests. We'll use your feedback to improve this guide.