--- title: "Cloud Data Box troubleshooting" slug: "clouddatabox-troubleshoot" updated: 2026-09-17T09:03:55Z published: 2026-09-17T09:18:24Z canonical: "guide.ncloud-docs.com/clouddatabox-troubleshoot" stale: true --- > ## 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. # Cloud Data Box troubleshooting Available in Classic and VPC Learn how to resolve issues with Cloud Data Box. Click any error for detailed troubleshooting steps. ## Troubleshoot access issues The following are examples of access issues you might encounter: [Forced logout from the Connect server](/docs/en/clouddatabox-troubleshoot-connect#Connect%EC%84%9C%EB%B2%84%EC%97%90%EC%84%9C%EA%B0%95%EC%A0%9C%EB%A1%9C%EA%B7%B8%EC%95%84%EC%9B%83) I was connected to the Connect server, but was forcibly logged out. [No internet connection from the Connect server](/docs/en/clouddatabox-troubleshoot-connect#Connect%EC%84%9C%EB%B2%84%EC%9D%B8%ED%84%B0%EB%84%B7%EC%97%B0%EA%B2%B0%EB%B6%88%EA%B0%80) There is no internet connection from the Connect server. [Connect server access issue](/docs/en/clouddatabox-troubleshoot-connect#Connect%EC%84%9C%EB%B2%84%EC%A0%91%EC%86%8D%EC%98%A4%EB%A5%98) I cannot access the Connect server. [No SSL VPN access](/docs/en/clouddatabox-troubleshoot-connect#SSLVPN%EC%A0%91%EC%86%8D%EB%B6%88%EA%B0%80) I cannot access SSL VPN. When accessing SSL VPN, the error message "Incorrect username or password" appears. [No Edge Node access](/docs/en/clouddatabox-troubleshoot-connect#EdgeNode%EC%A0%91%EC%86%8D%EB%B6%88%EA%B0%80) I cannot access Edge Node. ## Troubleshoot data issues The following are examples of data view and export issues you might encounter: [Cannot view data from HUE](/docs/en/clouddatabox-troubleshoot-data#HUE%EC%97%90%EC%84%9C%EB%8D%B0%EC%9D%B4%ED%84%B0%EC%A1%B0%ED%9A%8C%EB%B6%88%EA%B0%80) I cannot view data from HUE. [Data aggregation delay in Jupyter Notebook](/docs/en/clouddatabox-troubleshoot-data#JupyterNotebook%EC%97%90%EC%84%9C%EB%8D%B0%EC%9D%B4%ED%84%B0%EC%A7%91%EA%B3%84%EC%A7%80%EC%97%B0) It takes a long time to aggregate data in Jupyter Notebook. [Export in JSON format](/docs/en/clouddatabox-troubleshoot-data#JSON%ED%8C%8C%EC%9D%BC%ED%98%95%EC%8B%9D%EC%9C%BC%EB%A1%9C%EB%B0%98%EC%B6%9C) The available file formats I can select when requesting a file export in Data Box are table, image, code, model, and license only. I want to export it as a simple JSON file. [Rejected export request](/docs/en/clouddatabox-troubleshoot-data#%EB%B0%98%EC%B6%9C%EC%8B%A0%EC%B2%AD%EB%B0%98%EB%A0%A4) The file export request has been rejected for the reason of "The table configuration is not correct." The file export request has been rejected when there is no problem in the data. ## Learning resources We offer various materials for you to explore. To learn more about Cloud Data Box, check out these helpful links: - FAQs: [Cloud Data Box FAQs](https://www.ncloud.com/support/faq/prod?categoryCode2=ANALY&categoryCode3=SV_0194&page=1) - NAVER Cloud Platform's blog: [Cloud Data Box helps data-driven decision-making](https://blog.naver.com/n_cloudplatform/222508130651?trackingCode=blog_bloghome_searchlist) - NAVER Cloud Platform's blog: [Cloud Data Box: Utilize NAVER search, shopping, and AI data for your business](https://blog.naver.com/n_cloudplatform/222851897839?trackingCode=blog_bloghome_searchlist) - API guide: [Cloud Data Box API guide](https://api.ncloud-docs.com/docs/en/data-box-overview) 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.