The message below is an updated version of the notice sent yesterday. It provides guidance for contractors and clarification on the correct version requirements for both Windows and Mac users.
Upgrade Zscaler Client by January 31, 2026
To ensure a secure and reliable remote access experience, all CMS contractors should upgrade their Zscaler client by January 31, 2026.
Latest versions:
Windows: v4.7.x and above Mac: v4.5.x and above
These versions include critical security and performance enhancements. If you are already using the latest version of Zscaler, no action is required.
How to Verify Your Zscaler Version and Upgrade Instructions
Step-by-step instructions are available on the VPN Setup page.
Please also review the “Zscaler VPN Frequently Asked Questions (FAQ) for ADOs” under the Documentation section. It contains helpful troubleshooting tips, best practices, and guidance on remote access.
Using a Company-Provided Zscaler Client?
If your Zscaler client was provided by your company, please contact your IT support team for assistance. They can follow the instructions on the VPN Setup page to ensure proper configuration for CMS access.
Need Help or Have Questions?
If you have questions, please reach out to your Hosting Coordinator. To find the assigned Hosting Coordinator supporting your application(s), visit this page on CCG.
You can also connect with us via the Slack channel #help-cms-zscaler.
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