Unable to reach Adobe servers

Last updated on May 18, 2026

Learn how to resolve "Unable to reach Adobe servers" and "Retry installation" errors when installing or updating Adobe apps.

If your Adobe app fails to connect to Adobe servers during installation or updates, resolving connectivity issues and creating an administrator account may help.

Creative Suite 5.5 subscription serial numbers are no longer supported

If you have a Creative Suite 5.5 subscription serial number, you can no longer activate the software on a new computer. Creative Suite 5.5 subscriptions are no longer supported, and new activations for this subscription type are not available. If you already have Creative Suite 5.5 installed on your current device, this change doesn't affect you. To continue using Adobe Creative apps and services, you can purchase a Creative Cloud subscription.

Connectivity issues are causing the error

The error message indicates that you may have network connectivity or stability issues. Learn how to fix common connectivity issues to troubleshoot these issues.

Incorrectly configured hosts files

The operating system hosts files that map host names to IP addresses. An incorrectly configured hosts file can affect your computer's ability to connect to Adobe's activation servers. Learn how to reset hosts file on your computer.

Your operating system requires an update

Check for updates for your operating system and install the updates. Some operating system updates may restrict outgoing Internet connectivity for security reasons. Learn how to:

Issues with profile

Create a new administrator account and try installing or updating the app. Learn how to:

Corrupt installation files

Use the Adobe Creative Cloud Cleaner tool to remove Adobe-related files from your device and perform a clean installation of your Creative Cloud desktop app. The tool fixes many common problems, such as removing old Adobe software, cleaning corrupt installation files, and fixing your host files to establish a connection with Adobe servers.