You might want to test DAT and engine files on a few systems before deploying them to your entire organization. You can test update packages using the Evaluation branch of your Main Repository.
The ePO - On-prem software provides three repository branches for this purpose.
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Create a scheduled Repository Pull task that copies update packages in the Evaluation branch of your Main Repository. Schedule it to run after Trellix releases updated DAT files.
Create or select an evaluation group in the System Tree, then create a Trellix Agent policy for the systems to use only the Evaluation branch.
Select the Evaluation branch on the Updates tab in the Repository Branch Update Selection section.
The policies take effect the next time the Trellix Agent calls into the server. The next time the agent updates, it retrieves them from the Evaluation branch.
Create a scheduled update client task for the evaluation systems that updates DAT and engine files from the Evaluation branch of your repository. Schedule it to run one or two hours after your Repository Pull task is scheduled to begin.
The evaluation update task created at the evaluation group level causes it to run only for that group.
Monitor the systems in your evaluation group until satisfied.
Move the packages from the Evaluation branch to the Current branch of your Main Repository. Select Menu → Software → Main Repository to open the Main Repository page.
Adding them to the Current branch makes them available to your production environment. The next time any client task retrieves packages from the Current branch, the new DAT and engine files are distributed to systems that use the task.