--- title: Error 80072EE7 when installing Acctivate description: Learn how to resolve error 0x80072ee7 during Acctivate install/update caused by DNS resolution or internet access problems. --- [Skip to content](https://hub.acctivate.com/articles/error-80072ee7-when-installing-acctivate#main-content) [Go to Customer Portal](https://hub.acctivate.com/tickets?hsLang=en) ![Acctivate - A CAI Solution](https://hub.acctivate.com/hubfs/Images/Logos/acctivate-cai-logo-svg.svg) - [Knowledge Base](https://hub.acctivate.com/articles) Open main navigation Close main navigation - [Knowledge Base](https://hub.acctivate.com/articles) - [Go to Customer Portal](https://hub.acctivate.com/tickets) - [Support Resources / Create Ticket](https://acctivate.com/support) [Support Resources / Create Ticket](https://acctivate.com/support) Hello. How can we help you? - There are no suggestions because the search field is empty. 1. [Knowledge Base](https://hub.acctivate.com/articles?hsLang=en) 2. [Troubleshoot](https://hub.acctivate.com/articles/troubleshoot?hsLang=en) 3. [Installation](https://hub.acctivate.com/articles/troubleshoot?hsLang=en#installation) June 27, 2025 # Error 80072EE7 when installing Acctivate ## Error 0x80072ee7 occurs when the installer cannot download a required file due to network or DNS issues. The error code `0x80072ee7` typically means the Acctivate installer could not resolve a web server name when attempting to download a required component file from the Acctivate Amazon S3 server. You may see a message similar to: ![80072ee7](https://hub.acctivate.com/hs-fs/hubfs/80072ee7.png?width=624&height=525&name=80072ee7.png) This error may be caused by DNS issues, firewall restrictions, or loss of internet connectivity. Follow these steps to resolve the issue: 1. **Verify Internet Access** Ensure the computer has a stable internet connection. Open a browser and try visiting [https://acctivate.s3-us-west-2.amazonaws.com](https://acctivate.s3-us-west-2.amazonaws.com) — you should see a plain XML-style page if access is working. 2. **Flush DNS Cache** Open **Command Prompt** from the Windows Start menu and run: `ipconfig /flushdns` 3. **Check Security Software & Firewalls** Temporarily disable third-party antivirus or firewall software and retry the installation. Ensure that access to `*.amazonaws.com` is not blocked. 4. **Retry Installation** Once network access is restored and DNS is working, re-run the Acctivate installer or updater. 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