Deploy Security Certificate

To prevent Revit’s “Allow Add-in" prompt from appearing when end users open Revit, the security certificate must be installed to the client computer’s certificate manager via Group Policy. The certificate file is included when downloading the installer Guardian.zip file.

Instructions: Distribute Certificates to Client Computers by Using Group Policy | Microsoft Docs

*Important: For step 4, choose Trusted Publisher instead of Trusted Root Certification Authorities.

To verify, check the user’s certificate manager (certmgr.msc):