When you open an Adobe application (like Photoshop or Premiere), the software immediately tries to contact Adobe’s activation servers to verify if your license is valid. It does this by looking up the domain name (e.g., activate.adobe.com ) to find the IP address.
sudo killall -HUP mDNSResponder
Manually editing hosts is fine, but a script ensures persistence across macOS updates. hosts file entries to block adobe activation mac better
# Adobe Activation Blocklist 0.0.0.0 activate.adobe.com 0.0.0.0 practivate.adobe.com 0.0.0.0 lm.licenses.adobe.com 0.0.0.0 lmlicenses.wip4.adobe.com 0.0.0.0 genuine.adobe.com 0.0.0.0 prod.adobegenuine.com 0.0.0.0 ads.adobelogin.com 0.0.0.0 ims-na1.adobelogin.com 0.0.0.0 adobeid.services.adobe.com 0.0.0.0 lcs-cops.adobe.io 0.0.0.0 lcs-robs.adobe.io 0.0.0.0 lcs-entitlement.adobe.io Use code with caution. Copied to clipboard How to Edit the Hosts File on Mac file is a protected system file located at /private/etc/hosts University of Maryland Open Terminal : Use Spotlight (Cmd+Space) and type "Terminal." Access the File When you open an Adobe application (like Photoshop
If you rely on Adobe software and want to ensure your activation remains untouched by the background "phone home" processes, you need to go beyond blocking 127.0.0.1 lmlicenses.apache.org . # Adobe Activation Blocklist 0
Unlike Windows, macOS caches DNS aggressively. After editing the hosts file, run: