--- title: "Steps to Resolve Zscaler Certificate Error" slug: "steps-to-resolve-zscaler-certificate-error" updated: 2024-07-15T10:47:54Z published: 2024-07-15T10:47:54Z canonical: "docs.workspot.com/steps-to-resolve-zscaler-certificate-error" --- > ## Documentation Index > Fetch the complete documentation index at: https://docs.workspot.com/llms.txt > Use this file to discover all available pages before exploring further. # Steps to Resolve Zscaler Certificate Error ### **Issue:** Users are not able to access Workspot Desktop from a Windows or Mac client and getting a certificate error. ![](https://cdn.us.document360.io/ad9153e1-c8de-4f56-94f2-b717a1fc3a68/Images/Documentation/dffc8923-893f-497c-855c-cedfe285e161.png?sv=2026-02-06&spr=https&st=2026-10-12T12%3A50%3A46Z&se=2026-10-12T13%3A50%3A46Z&sr=c&sp=r&sig=%2Fu37a5JOSSYvU2lUFR6Px0ANStDAiTvxzIDA9TMFJ8Q%3D) *Error screenshot from Mac Client Device* Cause: Zscaler is installed in the client device that interferes with the certificate to communicate with Workspot Components. Even though, the following URLs are whitelisted in the Zscaler. - [https://control.workspot.com](https://control.workspot.com/) - [https://service.workspot.com](https://service.workspot.com/) - Workspot Gateway URLs ### **Solution:** - Login to Control with valid admin credentials - Navigate to the Setup tab, and then to the Certificates tab under it. - Add Trusted Enterprise Certificate and map to the user group as shown in below: ![](https://cdn.us.document360.io/ad9153e1-c8de-4f56-94f2-b717a1fc3a68/Images/Documentation/4fb335ca-da0d-4921-ad74-15db26890371.png?sv=2026-02-06&spr=https&st=2026-10-12T12%3A50%3A46Z&se=2026-10-12T13%3A50%3A46Z&sr=c&sp=r&sig=%2Fu37a5JOSSYvU2lUFR6Px0ANStDAiTvxzIDA9TMFJ8Q%3D) - Relaunch the Workspot client and make sure the latest policy is applied to the Workspot Client device.