Our environment has Windows 2012 R2 server but no ePO server and 10+ Windows workstations. I am looking for either a script or task scheduler that can be setup to pull the latest DAT file to the workstation from the server and execute the update. These systems have no internet access but DAT files are copied onto the server manually. Currently, we manually apply the update on each workstation.
Check out the recommended steps in this post, I believe they may also be of use to yourself: